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Diffstat (limited to 'gcc/ChangeLog')
| -rwxr-xr-x | gcc/ChangeLog | 10905 |
1 files changed, 0 insertions, 10905 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog deleted file mode 100755 index 7b8f481..0000000 --- a/gcc/ChangeLog +++ /dev/null @@ -1,10905 +0,0 @@ -2000-05-11 Nick Clifton <nickc@redhat.com> - - * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not emit a 0 - alignment, the assembler treats it as a word alignment. - -Thu Oct 14 20:09:17 1999 Jonathan Larmour <jlarmour@cygnus.co.uk> - - * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option - to .section when outputting a .bss section to deal with multiple - .bss input sections (as happens with -fdata-sections) - Also output %progbits, not @progbits so the assembler doesn't treat as - a comment. - * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise - - * config/arm/t-arm-elf (MULTILIB_OPTIONS): Add -mcpu=arm7 multilib... - (MULTILIB_DIRNAMES): ...in directory nofmult... - (MULTILIB_EXCEPTIONS): ...but don't need to build it with thumb-interwork - (MULTILIB_MATCHES): And make sure it matches all the relevant CPUs - - * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of - thumb parts even when building with non-thumb CPUs, by forcing - thumb mode. - - * config/arm/elf.h (MULTILIB_DEFAULTS): include -fno-leading-underscore - to prevent unnecessary multilib - -Fri Oct 8 14:44:16 1999 Jonathan Larmour <jlarmour@cygnus.co.uk> - - * configure.in (arm*-*-*): bracket arm core versions correctly - * configure: regenerate - -Tue Oct 5 17:12:26 MDT 1999 Diego Novillo <dnovillo@cygnus.com> - - * config/rs6000/rs6000.c (secondary_reload_class): For - TARGET_ELF make sure that HIGH instructions are copied - into BASE_REGS. - -Wed Feb 10 11:03:22 1999 Richard Henderson <rth@cygnus.com> - - * configure.in (alphaev6*): Fix typo in target_cpu_default2. - -Wed Apr 7 14:07:34 1999 Jeffrey A Law (law@cygnus.com) - - * unroll.c (copy_loop_body): Always ensure at least two insns - are in the copied loop. - -Thu Aug 26 16:05:39 1999 Jason Merrill <jason@yorick.cygnus.com> - - * configure.in (sparc86x-aout): Set use_collect2. - -Fri Aug 27 15:19:48 1999 Jason Merrill <jason@yorick.cygnus.com> - - * rs6000.md: Add missing arg to rs6000_output_load_toc_table. - -Fri Aug 27 09:53:14 1999 Brendan Kehoe <brendan@cygnus.com> - - * sparc.md: For DF splits for reg/mem and mem/reg, Do gen_rtx_REGs - explicitly if we're dealing with a REG to circumvent gen_highpart and - gen_lowpart doing word swapping. (For sparc86x-elf - -mlittle-endian-data support.) - -1999-08-31 Brendan Kehoe <brendan@cygnus.com> - - * real.c (GET_REAL, PUT_REAL): Honor aliasing rules for the byte - order changes for these, using memcpy instead of trying - assignment. Fixes problems emitting float values in some - situations. - -Sat Sep 25 14:03:53 1999 Nick Clifton <nickc@cygnus.com> - - * varasm.c (asm_emit_uninitialised): If flag_data_sections is - true, then attempt to use ASM_OUTPUT_UNIQUE_BSS or - ASM_OUTPUT_UNIQUE_LOCAL to emit the variable. - - * tm.texi (ASM_OUTPUT_UNIQUE_BSS): Document new target macro. - (ASM_OUTPUT_UNIQUE_LOCAL): Document new target macro. - -Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com> - - * varasm.c (asm_emit_uninitialised): New function: Generate - the assembler statements necessary to declare an uninitialised - variable. - (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised - variable. - (ASM_EMIT_BSS): New macro: Emit an entry in the bss section. - (ASM_EMIT_COMMON): New macro: Emit an entry in the common - section. - (assemble_variable): Use asm_emit_uninitialised to emit an - uninitialised variable. - -Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * final.c (shorten_branches): Make value passed to LABEL_ALIGN - conform to documentation. - * sh.h (LABEL_ALIGN): If aligning loops, call sh_label_align - to check for special cases. - (sh_label_align): Declare. - * sh.c (sh_label_align): Define. - -Wed Sep 8 10:56:38 1999 Nick Clifton <nickc@cygnus.com> - - Patch supplied by Bernd Schmidt <bernds@cygnus.com>: - - * reload.c (MODE_BASE_REG_CLASS): Provide default definition and - replace all uses of BASE_REG_CLASS with this macro. - -Wed Aug 25 09:38:17 1999 Nick Clifton <nickc@cygnus.com> - - * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs along - with SYMBOL_REFs. - -Tue Aug 24 20:16:55 1999 Nick Clifton <nickc@cygnus.com> - - * config/arm/telf.h (ASM_WEAKEN_LABEL): Define. - (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT, - ASM_DECLARE_RESULT, ASM_DECLARE_FUNCTION_NAME, - ASM_DECLARE_OBJECT_NAME, AS_FINISH_DECLARE_OBJECT_NAME, - ASM_DECLARE_FUNCTION_SIZE): Define. - -Mon Aug 23 15:59:32 1999 Jonathan Larmour <jlarmour@cygnus.co.uk> - - * config/mips/mips.c (mips_move_2words): Only split 64-bit loads for - floating-point registers - -Thu Jun 24 03:00:01 1999 Jorn Rennecke <amylaar@cygnus.co.uk> - - * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define. - -Wed Aug 11 18:28:07 EDT 1999 Diego Novillo <dnovillo@cygnus.com> - - * config/mips/mips.c (mips_move_2words): Emit two li insns for - 32-bit targets. - -1999-04-16 Angela Marie Thomas <angela@cygnus.com> - - * config/mips/elfb4300.h: Support for dwarf2 debugging. - * config/mips/elfl4300.h: Likewise. - -Thu May 13 13:44:58 EDT 1999 Andrew MacLeod <amacleod@cygnus.com> - - * config/rs6000/rs6000.md (nonlocal_goto_receiver): Add check for - constant_pool_size () before restoring the TOC register. - -Thu Jul 29 14:47:23 1999 Vladimir Makarov <vmakarov@drake.cygnus.com> - - * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto - -Asparclite for sparc86x. - (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for - sparc86x. - (ASM_CPU_SPEC): Use -Asparclite for sparc86x. - -Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * sh.c (fixup_addr_diff_vecs): Emit braf reference label. - (braf_label_ref_operand): Delete. - * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand. - * sh.md (casesi_jump_2): Operand1 is now the inside of a - label_ref, and has no predicate. - The patten has a predicate to guard against invalid substitutions. - (dummy_jump): Delete. - (casesi): Update use of casesi_jump_2. - -Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT. - -Fri Jul 23 21:14:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * dwarfout.c (ASM_OUTPUT_DWARF_DATA2): Cast VALUe to unsigned short. - -Wed Mar 10 18:56:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * reload1.c (choose_reload_regs): When inheriting from the frame - pointer, don't clobber it. - -Mon Jul 19 14:23:42 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com> - - * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE - instead of V8 for sparclite86x in cpu_table. - -Thu Jul 15 14:53:54 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com> - - * config/sparc/lite.h (TARGET_DEFAULT): Enable sparclite. - - * config/sparc/liteelf.h (TARGET_DEFAULT): Ditto. - - * config/sparc/sp86x-aout.h (TARGET_DEFAULT): Ditto. - - * config/sparc/sp86x-elf.h (TARGET_DEFAULT): Ditto. - - -Tue Jun 15 12:57:44 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com> - - * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS): - Add the macros. - - * config/d10v/d10v.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS): - Ditto. - - * config/i386/i386elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS): - Ditto. - - * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS): - Ditto. - - * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS): - Ditto. - - * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS): - Ditto. - -Mon Jul 12 10:13:25 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com> - - * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block - always unless NO_DEBUG is used. Compile this code - unconditionally. - (replace_symbols_in_block): Compile it unconditionally. - -Fri Jun 11 21:00:45 1999 Jim Wilson <wilson@cygnus.com> - - * config/mips/mips.c (mips_secondary_reload_class): Check for - (PLUS (SP) (REG)) and return appropriate register class. - * config/mips/mips.md (reload_insi): Delete predicate for operand 1. - Handle (PLUS (SP) (REG)). - -1999-06-16 Nick Clifton <nickc@cygnus.com> - - * config/tc-arm.c (thumb_set): New pseudo op. - (text, data, section): Override these pseudo ops with ARM - specific versions. - (s_thumb_set): New function: Perform the same as a .set pseudo - op, but also mark the alias'ed symbol as being a Thumb - function. - (arm_s_text): New function: Perform the same as the .text - pseudo op, but dump the literal pool before changing - sections. - (arm_s_data): New function: Perform the same as the .data - pseudo op, but dump the literal pool before changing - sections. - (arm_s_section): New function: Perform the same as the - .section pseudo op, but dump the literal pool before changing - sections. - (arm_cleanup): Do not reset the current section before dumping - the literal pool. - -1999-06-16 Nick Clifton <nickc@cygnus.com> - - * varasm.c (assemble_alias): Use the macro - ASM_OUTPUT_DEF_FROM_DECLS, if defined, in preference to - ASM_OUTPUT_DEF. - - * tm.texi: Document new macro ASM_OUTPUT_DEF_FROM_DECLS. - - * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro. - - -Thu Jun 10 10:02:30 1999 Nick Clifton <nickc@cygnus.com> - - * config/tc-arm.c (ARM_8, ARM_9): Define. - (md_parse_option): Parse ARM8 and ARM9 cpu types. - -Thu Jun 10 10:02:30 1999 Nick Clifton <nickc@cygnus.com> - - * config/arm/arm.h (TARGET_CPU_arm9, TARGET_CPU_arm9tdmi): - Define. - (TARGET_OPTIONS): Add 'tune=' and 'fp=' options. - (arm_is_strong): New exported variable. - (arm_is_6_or_7): New exported variable. - (USE_RETURN_INS): Add parameter to macro. - - * config/arm/arm.md (is_strongarm): New attribute. - (model_wbuf): New attribute. - (write_buf, write_blockage, core): Amend models. - - * config/arm/arm.c (MAX_INSNS_SKIPPED): Replace with a - variable called 'max_insns_skipped'. - (insn_flags, tune_flags): New variables. - (arm_is_strong, arm_is_6_or_7): New variable. - (struct all_cores): Add arm8 and arm9 cores. - (arm_override_options): Rewrite to allow tuning of processor - selection. - (bit_count): New function: Count the number of bits set in a - word. - (use_return_insn): Add parameter. Disable conditional returns - if they are inefficient. - (arm_rtx_costs): Examien tuning parameter to determine - multiply costs. - (load_multiple_sequence): Add arm9 tuneing. - (final_prescan_insn): Add arm9 tuneing. -Thu Jul 8 16:07:26 1999 Jason Merrill <jason@yorick.cygnus.com> - - * sparc/liteelf.h: Handle ctors like sparc86x. - -Wed Jun 2 10:03:01 1999 Catherine Moore <clm@cygnus.com> - - * config/arm/thumb.c (thumb_print_operand): Process 'c' type - operands for selective linking support. - * config/arm/telf.h (MAKE_DECL_ONE_ONLY): Define. - (UNIQUE_SECTION_P): Define. - (UNIQUE_SECTION): Define. - -1999-05-27 Felix Lee <flee@cygnus.com> - - * fixinc.x86-linux-gnu (FD_ZERO): missing patch from drepper: - remove memory output operands. - * fixinc/fixinc.x86-linux-gnu (FD_ZERO): sync with above. - -Sat May 22 18:18:43 1999 Jason Merrill <jason@yorick.cygnus.com> - - * sparc/liteelf.h: Handle ctors like MIPS crosses. - * sparc/lite.h (STARTFILE_SPEC, LIB_SPEC): Define to "". - * configure.in: Don't use libgloss.h on sparclite-elf. - Use collect2 on sparclite-aout. - -Mon Mar 1 16:36:18 1999 Jeffrey A Law (law@cygnus.com) - - * mips.md (div_trap_normal, div_trap_mips16): Require the dependent - insn to be an INSN before looking at its pattern. - -Thu Feb 4 10:46:30 1999 Gavin Romig-Koch <gavin@cygnus.com> - - * config/mips/mips.md ([u]divmodsi4,[u]divmoddi4,[u]divsi3,[u]divdi3, - [u]modsi3,[u]moddi3) : Don't copy the "zero" argument to a register - before calling gen_div_trap. - -Wed Feb 3 15:51:04 1999 Gavin Romig-Koch <gavin@cygnus.com> - - * config/mips/mips.c (true_reg_or_0_operand) : New function. - * config/mips/mips.h (PREDICATE_CODES): Add true_reg_or_0_operand. - * config/mips/mips.md (div_trap,div_trap_normal,div_trap_mips16): - Use true_reg_or_0_operand for div_trap. - -Wed Feb 3 15:26:58 1999 Gavin Romig-Koch <gavin@cygnus.com> - - * config/mips/mips.md (div_trap_mips16): Remove nop's after branches. - -Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com> - - * config/mips/mips.md (div_trap): Split div_trap_mips16 - from div_trap. - (div_trap_normal,div_trap_mips16): Correct the length attributes. - -Sat May 22 18:19:10 1999 Jason Merrill <jason@yorick.cygnus.com> - - * configure.in: Don't use libgloss.h on mips64vr4100-elf, - mips64vr4300-elf, or mips64vr5xxx-elf. - -1999-05-21 Ulrich Drepper <drepper@cygnus.com> - - * new1.cc: Use __GCC_THROW and __GCC_nothing instead of __THROW - and __nothing. - * new2.cc: Likewise. - -1999-05-21 Ulrich Drepper <drepper@cygnus.com> - - * inc/new: Use __GCC_THROW and __GCC_nothing instead of __THROW - and __nothing. - -Sat May 15 11:59:47 1999 Jim Wilson <wilson@cygnus.com> - - * configure: Rebuild. - -Sat May 15 13:05:41 1999 Jim Wilson <wilson@cygnus.com> - - * arm.md (zeroextractqi_compare0_scratch): Disable. - -Fri May 14 21:18:48 1999 Jim Wilson <wilson@cygnus.com> - - * reload1.c (choose_reload_regs): New locals check_regnum, nr, - cant_inherit. When calling reload_reg_free_for_value_p, loop over - each reg in check_reg in case it is a multi-word hard register. - -Fri May 14 13:57:03 1999 Stan Cox <scox@cygnus.com> - - * range.c (range_inner): Pick up devo change to set all_label_ref - from LABEL_NUSES instead of using LABEL_REFS. - -1999-05-14 Ulrich Drepper <drepper@cygnus.com> - - * fixinc/fixinc.x86-linux-gnu (FD_ZERO): Fix operand numbers in - asm input operands. - -Fri May 7 12:31:21 1999 Jim Wilson <wilson@cygnus.com> - - * mips/mips.c (mips_select_rtx_section): When TARGET_MIPS16, use - function_section instead of text_section. - * mips/mips.h (ENCODE_SECTION_INFO): Add check for UNIQUE_SECTION_P - in TARGET_MIPS16 STRING_CST handling. - -Wed Sep 23 00:16:41 1998 Ken Raeburn <raeburn@cygnus.com> - - * cse.c (cse_insn): Don't substitute inside a libcall if we would - need to update the RETVAL insn's notes, and if the new value is a - hard reg register changed between the current insn and the RETVAL - insn. - -Fri May 7 12:31:21 1999 Jim Wilson <wilson@cygnus.com> - - * mips/elf64.h (MAKE_DECL_ONE_ONLY, UNIQUE_SECTION_P): Define. - -Fri May 7 18:12:55 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com> - - * sparc.h (GO_IF_LEGITIMATE_ADDRESS): Prohibit REG+REG addressing - for TFmode when there are no instructions which accept REG+REG - instructions. - -Thu Apr 15 15:00:47 1999 Vladimir Makarov <vmakarov@makita.cygnus.com> - - * expmed.c (extract_bit_field): Extract field smaller than a word - when unsignedp not assuming that the field is an integer. - -Thu Apr 29 07:40:21 1999 Vladimir Makarov <vmakarov@makita.cygnus.com> - - * config/d10v/d10v.c (d10v_output_addr_const): Use parentheses - around SYMBOL_REF. - (print_operand_memory_reference): Remove output of parentheses - around symbols. This is Nick Clifton's patch dated Nov 16, 1998. - -Sat Apr 10 13:09:18 1999 Nick Clifton <nickc@cygnus.com> - - * config/arm/arm.c (di_operand): Allow SUBREGs as well. - (soft_df_operand): Allow SUBREGs as well. - -Sun Apr 25 03:17:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * final.c (insn_lengths_max_uid): New variable. - (init_insn_lengths, shorten_branches): Set it. - (get_attr_lengths): Test insn uid against insn_lengths_max_uid. - -Mon Apr 26 13:30:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com> - - * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all - calls within a libcall block to indicate no throws are possible. - * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for - libcall blocks. Don't add edges to exception handlers if we see - a REG_EH_REGION note with a value of 0. - (make_edges): Override active_eh_region vector if the call has a note - indicating the call does not throw. - -Mon Apr 26 13:56:17 EDT 1999 Andrew MacLeod <amacleod@cygnus.com> - - * config/alpha/alpha.md (builtin_setjmp_receiver): Use a label_ref. - -1999-04-13 Jason Merrill <jason@yorick.cygnus.com> - - * decl2.c (setup_initp): Compare DECL_ASSEMBLER_NAME instead - of the decls themselves. - -1999-04-09 Jason Merrill <jason@yorick.cygnus.com> - - * decl.c (start_decl): Pass attributes to grokdeclarator. - (grokdeclarator): Handle attributes on constructor-syntax - initializers. - -Fri Apr 9 11:18:55 1999 Jason Merrill <jason@yorick.cygnus.com> - - * c-common.c (decl_attributes, A_INIT_PRIORITY): Allow arrays - of classes, too. - -Mon Apr 5 12:58:03 1999 Catherine Moore <clm@cygnus.com> - - * config/mips/elf.h, config/mips/elf64.h - (CTORS_SECTION_ASM_OP): Define. - (DTORS_SECTION_ASM_OP): Define. - (EXTRA_SECTIONS): Define. - (INVOKE__main): Define. - (NAME__MAIN): Define. - (SYMBOL__MAIN): Define. - (EXTRA_SECTIONS_FUNCTIONS): Define. - (SECTION_FUNCTION_TEMPLATE): Define. - (ASM_OUTPUT_CONSTRUCTOR): Define. - (ASM_OUTPUT_DESTRUCTOR): Define. - (CTOR_LIST_BEGIN): Define. - (CTOR_LIST_END): Define. - (DTOR_LIST_BEGIN): Define. - (DTOR_LIST_END): Define. - (LIB_SPEC): Define. - (STARTFILE_SPEC): Define. - (ENDFILE_SPEC): Define. - * config/mips/linux.h: Undefine all of the above. - * config/mips/rtems64.h: Likewise. - * config/mips/t-biendian (EXTRA_MULTILIB_PARTS): Define. - (CRTSTUFF_T_CFLAGS): Define. - * config/mips/t-lsi: Likewise. - * config/mips/t-r3900: Likewise. - * config/mips/t-vr4100: Likewise. - * config/mips/t-vr4300: Likewise. - * config/mips/t-vr5000: Likewise. - * config/mips/t-elf: New file. - * config/mips/vxworks.h: New file. - * configure.in (mips-wrs-vxworks): Use mips/vxworks.h. - (mips*-*-*elf*): Use t-elf instead of t-ecoff. - * configure: Regenerate. - -Tue Apr 6 15:58:28 1999 Catherine Moore <clm@cygnus.com> - - * gcc/config/mips/elf.h (MAKE_DECL_ONE_ONLY): Define. - (UNIQUE_SECTION_P): Define. - -1999-03-24 Jim Blandy <jimb@zwingli.cygnus.com> - - * libgcc2.c (__CTOR_LIST__, __DTOR_LIST__): Initialize on all - platforms. - -Wed Mar 31 16:13:42 1999 Jim Wilson <wilson@cygnus.com> - - * loop.c (find_and_verify_loops): Don't move a block between a - tablejump and its immediately following jump table. - -Tue Mar 30 13:19:36 1999 Jason Merrill <jason@yorick.cygnus.com> - - * libgcc2.c (throw_helper): Just return the SP offset, rather than - a whole udata. Include args_size in the offset. - (__throw, __rethrow): Adjust. - -Mon Mar 29 18:10:31 1999 Richard Henderson <rth@cygnus.com> - - * flow.c (add_edge): Don't add duplicate edges. - -Fri Mar 26 11:38:01 1999 Nick Clifton <nickc@cygnus.com> - - * config/arm/t-arm-elf (EXTRA_MULTILIB_PARTS): Define. - -Sat Mar 27 16:13:50 1999 Jeffrey A Law (law@cygnus.com) - - * flow.c (mark_used_regs): Improve handling of ASMs. - -Mon Mar 29 15:48:39 1999 Jason Merrill <jason@yorick.cygnus.com> - - * invoke.texi (Invoking G++, C++ Dialect Options): Update. - -Fri Feb 12 16:56:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * loop.c (load_mems): Don't guess how to do a load / store, use - gen_move_insn. - -Fri Mar 5 23:08:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * reload.c (find_reloads_subreg_address): Actually create the USE - for the register, not the new memory location. - -Fri Feb 12 21:09:51 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * reload.c (find_reloads_subreg_address): New function, broken out of - find_reloads_toplev. - (find_reloads_toplev, find_reloads_address_1): Use it. - -Fri Mar 5 21:41:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * reload1.c (emit_reload_insns): If pseudo that can't be replaced - with its equivalent constant, fall back to reload_in. - -Mon Mar 8 18:47:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * regmove.c (copy_src_to_dest): New argument max_old_uid. - -Tue Mar 2 16:45:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * unroll.c (copy_loop_body): Don't make extra copies of - NOTE_INSN_LOOP_CONT notes. - -1999-02-11 Nick Clifton <nickc@cygnus.com> - - * lib/remote.exp (proc remote_exec): Display timeout in log - message. - - * lib/target.exp (proc default_target_compile): Add support for - timeout option. - - * baseboards/arm-sim.exp: Set gcc,timeout to 500. - -1999-02-11 Nick Clifton <nickc@cygnus.com> - - * lib/gcc.exp (proc gcc_target_compile): Add support for timeout - specified by target. - - * lib/consistency.exp (proc gcc_target_compile): Add support for - timeout specified by target. - -Mon Mar 15 12:39:38 1999 Nick Clifton <nickc@cygnus.com> - - * config/m32r/m32r.c (init_idents): New function. Initialise - static tree nodes for m32r specific attribute identifiers. Remove - leading and trailing double underscores from the attribute names. - (m32r_valid_machine_decl_attribute): Call init_idents. - (m32r_encode_section_info): Call init_idents. - -Mon Mar 15 15:27:44 1999 Vladimir N. Makarov <vmakarov@cygnus.com> - - * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Don't use - PIC_OFFSET_TABLE_REGNUM for register allocation when -fPIC. - -Thu Mar 11 11:00:34 1999 Vladimir N. Makarov <vmakarov@cygnus.com> - - * global.c (build_insn_chain): Add code for processing - explicitly case when n_basic_blocks == 0. - -1999-03-11 Jim Wilson <wilson@cygnus.com> - - * reload1.c (calculate_needs_all_insns): When ignore equivalence - setting insn, clear need_elim, need_reload, and need_operand_change. - -Wed Mar 10 00:01:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * reload1.c (reload_combine_note_store): Fix calculation of number - of affected registers. - -1999-03-04 Martin Hunt <hunt@cygnus.com> - - * gdbtk-hooks.c (gdbtk_load_hash): Change download_hash() - to Download::download_hash(). - -1999-03-01 Martin Hunt <hunt@cygnus.com> - - * gdbtk.c (TclDebug): Increase buffer size to 10000, in case - backtraces are very long. - -1999-02-26 James Ingham <jingham@cygnus.com> - - * gdbtk-cmds.c (gdb_search): Add a -filename switch, which returns - the file in which the function or type was defined, along with the - function... - - * gdbtk.c (gdbtk_find_main): The external editor stuff was getting - set twice... - -1999-02-18 Martin Hunt <hunt@cygnus.com> - - * gdbtk-cmds.c (gdb_disassemble): When debugging native threads, - set disassemble_from_exec to 0. This fixes bugs where disassembly - of threaded programs failed. - -1999-02-16 James Ingham <jingham@cygnus.com> - - * gdbtk.c (gdbtk_init): Remove redundant setting of the external - editor variables. - -1999-02-11 Martin Hunt <hunt@cygnus.com> - - * gdbtk-variable.c (variable_format): Enable binary format. - -1999-02-11 Martin Hunt <hunt@cygnus.com> - - * gdbtk-hooks.c: Change ALL Tcl_Eval calls in hooks to - call report_error() if there are errors. - -1999-02-11 Martin Hunt <hunt@cygnus.com> - - * gdbtk.c, gdbtk-cmds.c, gdbtk-hooks.c: Removed old IDE stuff. - -1999-02-09 Martin Hunt <hunt@cygnus.com> - - * gdbtk-hooks.c: Remove gdbtk_ignorable_warning prototype. - It is in gdbtk.h. - (report_error): New function. Displays debugging information - if a hook function fails. All hook functions should probably - call this. - (gdbtk_warning): Call report_error() if there is a problem. - (gdbtk_register_changed): Call report_error() if there is a problem. - (gdbtk_memory_changed): Call report_error() if there is a problem. - (gdbtk_ignorable_warning): Pass along class argument. If there - is a problem, call report_error(). - - * gdbtk-cmds.c: Remove TclDebug prototype. It is in gdbtk.h. - (gdb_loadfile): Add class name to gdbtk_ignorable_warning call. - - * gdbtk.c (TclDebug): Add "priority" argument. Calls "dbug" - instead of "debug". Removed non-ANSI ifdefs. - - * gdbtk.h: Fixed protos for gdbtk_ignorable_warning and TclDebug. - -1999-03-03 James Ingham <jingham@cygnus.com> - - * i386-tdep.c (_initialize_i386_tdep): Set the inital value for - disassembly flavor at startup, rather than hardcoding it. - - -1999-03-04 Martin Hunt <hunt@cygnus.com> - - * download.ith: New file. - * download.itb: New file. Implements itcl3 class and replaces - download.tcl. - - * srcbar.tcl (create_menu_items): Call create_run_menu - without arguments. - (create_run_menu): Add Disconnect and Connect to Run menu - instead of file menu. Change download_it to Download::download_it. - - * srctextwin.itb (do_key): Change binding to call - Download::download_it. - - * debugwin.itb (DebugWinDOpts::build_win): Add ProcessWIn to list - of classes for filter. - - * interface.tcl (set_target): No need to set window title. - (run_executable): Change download_it to Download::download_it - -1999-03-04 James Ingham <jingham@cygnus.com> - - * modal.tcl (ModalDialog): Handle WM_DELETE_WINDOW by calling the - cancel method. Also set unpost_notification to different values - in unpost & the destructor, so if the object dies irregularly, you - know not to try to double destruct it. - -1999-03-03 James Ingham <jingham@cygnus.com> - - * warning.tcl (WarningDlg::constructor):Destroy with unpost. - - * util.tcl (get_disassembly_flavor, set_disassembly_flavor, - init_disassembly_flavor): Added these functions for the Intel P2 - disassembly flavors. - (list_element_strcmp): New function for lsort -command on lists. - - * tracedlg.tcl (TraceDlg): Change combobox callback to reflect new - after behavior. - - * targetselction.itb (TargetSelection::save): If the target - is not valid, tell the user rather than simple refusing to go - away. - Also move stuff around to isolate the instance dependant stuff as - much as possible - Also replace delete with unpost. - - * targetselection.ith (TargetSelection): Make as much of the - initialization stuff Class functions as possible. Then only - initialize it once. - - * srcwin.ith (_update_title): initialize need_files. - - * srcwin.itb (SrcWin::_build_win): I changed the combobox so it - ran its code in an idle handler, so we can take out all the after - idle... cruft here. - - * srctextwin.ith (SrcTextWin): Added textheight variable so you - can adjust the height of the text display. - - * srctextwin.itb (SrcTextWin::build_win): Don't hardcode the size - of the text window, set it with the textheight option instead. - Also replace childsite with "component text" wherever required. - - * srcpref.itb (SrcPref::build_win, set_flavor): Added the Intel - disassembly flavor combobox. Added set_flavor method to support - this. - * srcpref.ith: Added declaration for set_flavor, and - disassembly_flavor instance variable. - - * modal.tcl (ModalDialog::post, unpost): Added unpost method to - provide a more regular way to dismiss the dialogs. Just - destroying them was leading to funny destruction order bugs. - Added cancel method, which is what client code should call to - "force close" the dialog, so child classes can override, and do - some cleanup. - - * memwin.itb (MemWin::destructor): Call the cancel method of the - Preferences dialog (if it is posted) rather than just destroying - it. - - * mempref.itb (MemPref::ok): call unpost, since this is a modal - dialog. - - * managedwin.itb (ManagedWin::reveal): Used to be called raise. - Don't reuse Tcl or Tk commands unless there is a really good - reason to... - (ManagedWin::destroy_toplevel): renamed from delete, which - conflicts both with the Itcl1.5 delete method, and the Itcl3.0 - delete command... Also, don't use this as the way to destroy - ManagedWins, rather destroy the object and let the object take - care of removing its toplevel. - (ManagedWin::_create): Group all the windows with - . for WindowManagers that properly handle this. - (ManagedWin::_create): Use dont_remember_size - rather than the instance variable. Also, windows which don't - remember size are not necessarily transient. - (ManagedWin::_create): Only call post if the - ManagedWin also isa ModalDialog. It is clearer what is going on. - * managedwin.ith: Carry through the name changes. - - * main.tcl: call init_disassembly_flavor for Intel assembly - flavors. - - *main.tcl: Group . with . This is half of the work required to - play nice with WindowMaker. The other half waits till we can get - gdb to pass the command-line arguments to Tcl. - - * interface.tcl: Add file_changed_hook to the hooks. The browser - window watches this and refreshes the file box if it changes. - - * globalpref.ith (GlobalPref): This should be a modal dialog. - * globalpref.itb (GlobalPref::build_win): call update idletasks, - not update. Since we are calling update, there is no reason to - delay calling resize_font_item_height. - * globalpref.itb: Replace destroy toplevel with unpost. - - * debugwin.itb (DebugWin::build_win): Replace childsite with - "component text" - - * console.itb (Console::_build_win): Replace childsite with - "component text" - - * browserwin.itb: Rewritten pretty completely. - * prefs.tcl (pref_set_defaults): add the browser preferences. - - * prefs.tcl (pref_set_defaults): add the intel disassembly flavor - preference. - - * about.tcl (About): This should be a modal dialog. - -1999-03-02 James Ingham <jingham@cygnus.com> - - * globalpref.itb (GlobalPref::make_font_item): Don't do the - resize_font_item_height here, since an update can cause the resize - before all the windows are built. Delay to the end of build_win - instead. - -1999-02-24 James Ingham <jingham@cygnus.com> - - * toolbar.tcl (remove_button): Specify the row in the toolbar from - which you are removing the item. On Windows, there are two rows - in the standard toolbar... - -1999-02-22 Martin Hunt <hunt@cygnus.com> - - * warning.tcl (WarningDlg::constructor): Remove extra quote - that was causing loading of this module to fail. - - * managedwin.itb (ManagedWin::_create): If the pack fails - (for example because the warning dialog reliazed it should - ignore the warning) print a warning debug message and return. - Also, while testing, tell the window manager to position - the window without asking the user for the position. - -1999-02-18 Martin Hunt <hunt@cygnus.com> - - * srctextwin.itb (SrcTextWin::FillAssembly): As a last resort, - if the disassembly fails for some reason, switch to the scratch - pane and write in a message about not being able to disassemble. - -1999-02-18 Martin Hunt <hunt@cygnus.com> - - * helpviewer.ith (HtmlViewer): Add thread and function - browser windows to help index. - - * help/index.toc: Removed. - -1999-02-18 Martin Hunt <hunt@cygnus.com> - - * help/thread.html: New file. Thread window online help. - * help/index.html: Add thread.html, and alphabetize list. - * help/source.html: Add index for thread_bp. - -1999-02-17 Martin Hunt <hunt@cygnus.com> - - * globalpref.itb (GlobalPref::build_win): Add a checkbutton to - allow use of an internet browser to read help files. - - * prefs.tcl (pref_set_defaults): Add preference gdb/help/browser. - Default is to use builtin html help. - - * helpviewer.itb (HtmlViewer::open_help): New public proc. - Depending on preferences, opens help in external browser or - internal htmlviewer. - - * toolbar.tcl (create_help_menu): Use HtmlViewer::open_help. - -1999-02-17 Martin Hunt <hunt@cygnus.com> - - * managedwin.itb (ManagedWin::_create): Restore some lines that - were accidently checked in commented out. - -1999-02-17 Keith Seitz <keiths@cygnus.com> - - * help/index.html: Add function browser. - * help/browser.html: New help file. - -1999-02-12 Martin Hunt <hunt@cygnus.com> - - * managedwin.itb (ManagedWin::_create): If a window class defines a - public variable "nosize" the size will not be set, only the position. - * browserwin.ith (toggle_all_bp): Add public variable "nosize". - -1999-02-12 Martin Hunt <hunt@cygnus.com> - - * process.ith: New file. - * process.itb: New file. Converted process.tcl to new itcl class. - * process.tcl: Deleted. - - * warning.tcl (WarningDlg::constructor): Set the window name. - -1999-02-11 Martin Hunt <hunt@cygnus.com> - - * variables.tcl (editEntry): Check that $variable is not empty. - - * warning.tcl (WarningDlg::constructor): Put focus on the - "OK" button and bind it to <Return>. - - * watch.tcl (add): If the user attempts to add a non-existent - variable to the watch-window, display an ignorable warning. - - * interface.tcl (gdbtk_tcl_ignorable_warning): -transient - should not take an argument. - (set_target_name): Ditto. - * srcbar.tcl (create_menu_items): Ditto. - * memwin.itb (MemWin::create_prefs): Ditto. - * managedwin.itb (ManagedWin::_create): Ditto. - -1999-02-11 James Ingham <jingham@cygnus.com> - - Move the Intel disassembly mode changes into devo. - - * main.tcl: Init the disassembly flavor bits. - * prefs.tcl: Define disassembly-flavor - * srcpref.ith: Add current_disassembly_flavor instance variable - and set_flavor method. - * srcpref.itb (build_win): Add the disassembly_flavor combobox. - (apply): set the flavor, if applicable. - (set_flavor): New method. - * util.tcl: Add 3 new functions - get_disassembly_flavor, - list_disassembly_flavor and init_disassembly_flavor. - -1999-02-10 Martin Hunt <hunt@cygnus.com> - - * srcwin.itb, download.tcl, main.tcl, srcbar.tcl: Removed old - IDE stuff. - - * toolbar.tcl (create_help_menu): Updated Cygnus URL and - removed old IDE stuff. - (create_ide_buttons): Removed. - -1999-02-10 Martin Hunt <hunt@cygnus.com> - - * managedwin.itb (ManagedWin::_create): Bind Alt-F4 to - always close the window. - -1999-02-10 Martin Hunt <hunt@cygnus.com> - - * main.tcl: Removed old debugging preferences. - * prefs.tcl (pref_set_defaults): Ditto. - -1999-02-09 Martin Hunt <hunt@cygnus.com> - - * managedwin.itb (ManagedWin::_create): Simplify raise - and post now that all windows use new manager. - - * warning.tcl (WarningDlg): Rewrite of entire class to use - new itcl 3.0 class. Also now uses a "class name" to keep - track of which messages should be ignored. Uses tk_messageBox - of the message doesn't have -ignorable set. - - * interface.tcl: Removed IDE stuff. - (gdbtk_tcl_ignorable_warning): Accept "class" argument and - use it when creating a WarningDlg. Use new ManagedWin::open. - - * srctextwin.itb (SrcTextWin::set_tp_at_line): Fix TraceDlg - open command to use ManagedWin::open. - - * srcpref.itb (SrcPref::build_win): Comment out line number - option. It wasn't very useful and did not become effective - until GDBtk was restarted. - -1999-02-09 James Ingham <jingham@cygnus.com> - - * srctextwin.itb (build_win): Set the paned window background to - white so it looks better when you switch windows. - - * mempref.itb (build_win): Use the libgui combobox for the bytes per - line field. - - * mempref.itb: remove some global declarations that I missed when - I converted all the variables to instance data. - - * variables.tcl (change_value): Catch one more place where $this - was being passed as a window name. - - * TODO: Added some more items, and removed some that had been fixed. - -Mon Feb 8 12:27:16 1999 Keith Seitz <keiths@cygnus.com> - - * interface.tcl (set_target_name): Fix switch syntax - error and getd the options preference in case it's not set. - - -1999-03-03 James Ingham <jingham@cygnus.com> - - * browser.test: Fixed up to match the new function browser. - This is not done yet... - - * srcwin.test: Check for errors when the bbox is called for a text - item that is not on screen (so bbox is ""). Return something more - useful. - -1999-03-01 James Ingham <jingham@cygnus.com> - - * Changelog entries merged over from gdb development branch. - - 1999-01-12 Martin Hunt <hunt@cygnus.com> - - * gdb.gdbtk/srcwin.test: Add a bunch of tests for the source - window filename and function comboboxes. Add in stack tests. - - 1999-01-11 Martin Hunt <hunt@cygnus.com> - - * gdb.gdbtk/srcwin.test: New file. Source Window tests. - * gdb.gdbtk/srcwin.exp: New file. Source Window tests. - - Wed Jan 6 09:22:52 1999 Keith Seitz <keiths@cygnus.com> - - * gdb.gdbtk/c_variable.test (c_variable-1.9): Add new - test to check for creation of a variable that is really a type. - (c_variable-7.81): Use "output" instead of "print" to get PC. - Include missing bits of test. - - * gdb.gdbtk/cpp_variable.test (cpp_variable-1.6): Default format - is now "natural", not "hexadecimal" - (cpp_variable-2.22): Ditto. - (cpp_variable-2.24): Force format to hex before getting value. - - * gdb.gdbtk/cpp_variable.exp: Supply missing arg to gdbtk_analyze_results. - - Tue Jan 5 12:40:52 1999 Keith Seitz <keiths@cygnus.com> - - * gdb.gdbtk/c_variable.c, c_variable.test, c_variable.exp: New C - language tests for variable object interface. - - * gdb.gdbtk/cpp_variable.h, cpp_variable.cc, cpp_variable.test, - cpp_variable.exp: New C++ language tests for variable object - interface. - - * gdb.gdbtk/Makefile.in (EXECUTABLES): Add c_variable and cpp_variable. - - Tue Jan 5 12:33:47 1999 Keith Seitz <keiths@cygnus.com> - - * lib/gdb.exp (gdbtk_analyze_results): Generic function - for outputting results of test run. - - * gdb.gdbtk/defs (gdbtk_test): Handle xpass and xfail. - (gdbtk_test_error): New proc which handles error aborts. - - * gdb.gdbtk/console.exp: Use gdbtk_analyze_results. - Check if we have a valid DISPLAY before running. - * gdb.gdbtk/browser.exp: Ditto. - - 1998-12-07 Martin M. Hunt <hunt@cygnus.com> - - * lib/gdb.exp (gdbtk_start): Fix path for itcl library. - * gdb.gdbtk/browser.test: Change "manage open" to ManagedWin::open. - * gdb.gdbtk/console.test: Same. - * gdb.gdbtk/*: Update from devo. - - Fri Jul 24 14:57:19 1998 Keith Seitz <keiths@cygnus.com> - - * gdb.gdbtk/Makefile.in: Add new example program "stack". - * gdb.gdbtk/browser.test,browser.exp: Add browser window - tests. - * gdb.gdbtk/stack1.c,stack2.c: Test case for browser window. - -end-sanitize-gdbtk -Thu Feb 25 13:21:58 1999 Michael Meissner <meissner@cygnus.com> - - * flags.h (flag_optimize_comparisons): Add new flag. - - * toplev.c (flag_optimize_comparisons): Add new global. - (f_options): Add -foptimize-comparisons. - - * fold-const.c (fold_truthop): Add optimizing sequence of comparsions - opreations. - (simple2_operand_p): New function like simple_operand_p, but - allows some simple arithmetic as well. - - * jump.c (jump_optimize): Don't do branch elimination on single - insns setting ints larger than the word size. - - * invoke.texi: Update documentation. - -Wed Mar 3 19:09:11 1999 Jim Wilson <wilson@cygnus.com> - - * sparc/elf.h (MULDI3_LIBCALL, DIVDI3_LIBCALL, UDIVDI3_LIBCALL, - MODDI3_LIBCALL, UMODDI3_LIBCALL, STDC_0_IN_SYSTEM_HEADERS): Undef. - (INIT_SUBTARGET_OPTABS): Define to empty. - * sparc/liteelf.h (LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE, - STDC_0_IN_SYSTEM_HEADERS, MULDI3_LIBCALL, DIVDI3_LIBCALL, - UDIV3_LIBCALL, MODDI3_LIBCALL, UMODDI3_LIBCALL): Delete. - * sparc/sp86x-elf.h: Likewise. - -Mon Mar 1 19:09:32 1999 Jim Wilson <wilson@cygnus.com> - - * Makefile.in (CROSS_FLOAT_H): Delete. - (FLOAT_H): Use float_h_file. - (rest.cross, stmp-int-hdrs): Delete gfloat.h dependency. - (gfloat.h): Delete. - (stmp-int-hdrs): Use FLOAT_H instead of gfloat.h. - (mostlyclean): Delete gloat.h reference. - (install-cross-rest, install-float-h-cross, stmp-headers): Update - comments. - * configure.in (sparcv9-*-solaris2*): Set float_format to none. - (sparc-*-solaris2*): Set float_format to none for 2.5 and higher. - (float_h_file): Set from float_format. Substitute into Makefile.in. - (float_format): No longer substitute into Makefile.in. - * cross-make (FLOAT_H): Delete. - * config/mips/t-cross64 (FLOAT_H): Delete. - * configure: Rebuilt. - -Wed Mar 3 20:02:21 1999 Jim Wilson <wilson@cygnus.com> - - * m68k/m68020-elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Undef. - (STARTFILE_SPEC, ENDFILE_SPEC): Define to empty string. - -Fri Feb 26 12:53:00 1999 Jim Wilson <wilson@cygnus.com> - - * config/misp/mips.h (REGISTER_MOVE_COST): Make the cost of moving - from HI/LO/HILO/MD into general registers the same as for one - of moving general registers to HI/LO/HILO/MD. - -Tue Mar 2 09:24:10 1999 Nick Clifton <nickc@cygnus.com> - - * configure.in (gxx_include_dir): Rename to - gcc_gxx_include_dir in order to prevent it being overridden by - a top level Makefile. - (gcc_tooldir): If $exec_prefix != $prefix then use the - difference between the two as the basis for gcc_tooldir. - (dollar): Define. - - * configure: Rebuild. - - * Makefile.in: Rename gxx_include_dir to gcc_gxx_include_dir. - Add subsitution for dollar. - -Mon Mar 1 15:03:51 1999 Jim Wilson <wilson@cygnus.com> - - * config/m68k/lb1sf68.asm (udivsi3): Change jmi to jcs. Fix comments. - * config/m68k/m68k.h (LEGITIMATE_INDEX_REG_P): Reject SIGN_EXTEND of - HImode reg when TARGET_5200. - -Fri Feb 26 14:52:21 1999 Catherine Moore <clm@cygnus.com> - - * toplev.c (compile_file): Disable -ffunction-sections and - debugging warning if the object format is elf. - -Sat Feb 20 16:19:55 1999 Andrew Cagney <cagney@b1.cygnus.com> - - * config/mips/mips.c (mips_debugger_offset): When TARGET_MIPS16 && - frame_pointer_needed adjust frame size. - (function_prologue): Don't MIPS16 .mask GPOFFSET. Already adjusted - in .frame pseudo-op. - Frm Jim Wilson <wilson@cygnus.com>: - * mips.c (function_prologue): Adjust frame size in .frame pseudo-op - when TARGET_MIPS16 && frame_pointer_needed. - -1999-03-01 Brendan Kehoe <brendan@cygnus.com> - - Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com) - - * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to - function definition. - (aliases_everything_p, write_dependence_p):Likewise. - -1999-02-25 Jason Merrill <jason@yorick.cygnus.com> - - * tree.c: Check ANSI_PROTOTYPES instead of __STDC__. - -1999-02-23 Jason Merrill <jason@yorick.cygnus.com> - - * errfn.c: Change varargs code to look like toplev.c. - -Thu Feb 23 15:20:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * sh.md (is_sfunc): New attribute. - * sh.h (INSN_SETS_ARE_DELAYED, INSN_REFERENCES_ARE_DELAYED): Use it. - -Thu Feb 11 17:51:24 1999 Michael Meissner <meissner@cygnus.com> - - * rs6000.md (movdf_hardfloat32): Add support for non-offsetable - LO_SUMs in addition to register+register addresses. - -1999-02-18 Vladimir Makarov <vmakarov@loony.cygnus.com> - - * configure.in (i[34567]86-*-linux-gnu*, - i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*, - i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as - fixincludes. - - * configure: Rebuilt. - - * fixinc.x86-linux-gnu: New script for fixing asm-statements bug - on x86 linux. - - * fixinc/fixinc.x86-linux-gnu: Copy of the previous one. - - * fixinc/mkfixinc.sh (i[34567]86-*-linux-gnu*, - i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*, - i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as - fixincludes. - -Wed Feb 17 13:27:24 1999 Jim Wilson <wilson@cygnus.com> - - * m68k/crt0.S (start): Use jpbl not jmi in coldfire code. - -Thu Feb 18 15:52:49 1999 Jim Wilson <wilson@cygnus.com> - - * m68kelf.h (ASM_RETURN_CASE_JUMP): Add 5200 support. - -Fri Feb 12 13:06:28 1999 Jim Wilson <wilson@cygnus.com> - - * stmt.c (expand_return): Return if optimize_tail_recursion succeeded. - (optimize_tail_recursion): Change return type from void to int. - Add return statements. - * tree.h (optimize_tail_recursion): Change prototype to match. - -Sun Feb 14 09:24:27 1999 Michael Meissner <meissner@cygnus.com> - - * rs6000.md (iorsi3_internal3): Emit `#' for case where operand3 - is not CR0 so it is properly split. - -Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com) - - * reload.c (find_reloads_address_1): Fix handling of an autoincremented - pseudo which is homed in the stack. - -Tue Feb 16 23:57:17 1999 Jeffrey A Law (law@cygnus.com) - - * mn10300.igen (retf): Fix return address computation and store - the new pc value into nia. - -Wed Feb 10 10:09:41 1999 Jeffrey A Law (law@cygnus.com) - - * mn10200.md (bset, bclr): Operand 0 is a read/write operand. - -Fri Feb 12 00:51:26 1999 Jeffrey A Law (law@cygnus.com) - - * mips.c (save_restore_insns): Fix loop to save/restore FP registers. - (compute_frame_size): Change loop over FP regs to be consistent - with the loop in save_restore_insns. - -Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com) - - * h8300.md (zero_extendhisi2 H8/300 variant): Correctly handle - extending a CONST_INT. - - * h8300.md (peephole for combining memrefs): Delete incorrect peephole. - -Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com) - - * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indention. - (ashldi3 expander): Similarly. Update comments. - -Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com) - - * calls.c (store_one_arg): Mark any slots used for the argument - as in-use immediately after we're done saving any slots which - will be overwritten by this argument. - - -Wed Feb 10 13:30:18 1999 Dave Brolley <brolley@cygnus.com> - - * mbchar.c (local_mb_cur_max): Handle the case where MB_CUR_MAX is 0. - -Fri Feb 12 18:29:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * loop.c (loop_insn_first_p, biv_elimination_giv_has_0_offset): - New functions. - (maybe_eliminate_biv_1): Use biv_elimination_giv_has_0_offset. - -Fri Feb 12 19:22:41 1999 Vladimir N. Makarov <vmakarov@cygnus.com> - - * loop.c (strength_reduce): Disable the latest loop optimizations. - - * loop.c (find_life_end): Wrap parameters in forward definition by - missed PROTO. - -1999-02-08 Nick Clifton <nickc@cygnus.com> - - * config/v850/v850.md: Enforce TARGET_LONG_CALLS option. - * config/v850/v850.c (construct_restore_jr, construct_save_jarl): - Enforce TARGET_LONG_CALLS option. - -Sat Feb 6 11:04:08 1999 Jim Wilson <wilson@cygnus.com> - - * unroll.c (find_splittable_givs): After express_from, call replace_rtx - to convert dest_reg to new_reg. - -Wed Feb 10 10:09:41 1999 Jeffrey A Law (law@cygnus.com) - - * reload1.c (reload_combine_note_store): Second argument is no - longer unused/ignored. Handle multi-register hard regs. - (move2add_note_store): Simplify. - -Sat Feb 6 10:31:35 1999 Jeffrey A Law (law@cygnus.com) - - * reload1.c (reload_combine_note_store): Be more careful with - STRICT_LOW_PART, ZERO_EXTRACT and SIGN_EXTRACT. - (move2add_note_store): Likewise. - - -Sat Feb 6 18:14:46 1999 Jeffrey A Law (law@cygnus.com) - - * mn10300.md (reload_insi): Do not earlyclobber the output operand. - -1999-02-05 Michael Meissner <meissner@cygnus.com> - - * loop.c (check_dbra_loop): A store using an address giv for which - we have no life information is not reversible. - -Fri Feb 5 17:08:01 1999 Dave Brolley <brolley@cygnus.com> - - * function.c (fixup_var_refs): Scan catch_clauses too. - -Fri Feb 5 11:33:49 1999 Benjamin Kosnik <bkoz@loony.cygnus.com> - - * c-common.c (decl_attributes): Fix reserved space for init_priority. - * tree.h (MAX_RESERVED_INIT_PRIORITY): New macro. - -Fri Feb 5 12:37:05 1999 Jeffrey A Law (law@cygnus.com) - - * loop.c (strength_reduce): Clear not_every_iteration when - passing the NOTE_INSN_LOOP_CONT note. - - * haifa-sched.c (add_dependence): Do not add a dependency on a - note. - -Fri Feb 5 10:52:58 1999 Nick Clifton <nickc@cygnus.com> - - * recog.c (split_block_insns): Only call update_flow_info if - instruction scheduling is enabled. - -Fri Feb 5 07:09:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * loop.c (first_loop_store_insn): New file-scope variable. - (prescan_loop): Set it. - (check_dbra_loop): Check if a store depends on a register - that is set after the store. - -Fri Feb 5 06:55:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * unroll.c (entire file): Remove tabs / spaces at end of lines. - Replace spaces with tabs where appropriate. - -Thu Feb 4 15:12:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * loop.c (scan_loop): New argument loop_cont. Changed caller. - (strength_reduce): New argument loop_cont. Changed caller. - Before clearing not_every_iteration after a label, check if - we are not already past LOOP_CONT. - -Wed Feb 3 20:44:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * loop.h (express_from): Declare. - (struct induction): Replace derived flag with derived_from pointer. - * loop.c (strength_reduce, record_giv, recombine_givs): Likewise. - (express_from): No longer static. - * unroll.c (find_splittable_givs): Replace derived with derived_from. - When processing an address giv with which another giv has been - combined that has also been derived from a third giv, handle like - having combined with the third giv. - Set splittable_regs_updates appropriately for derived givs. - -Wed Feb 3 11:56:23 1999 Jeffrey A Law (law@cygnus.com) - - * pa.c (insn_sets_and_refs_are_delayed): New function. - * pa.h (INSN_SETS_ARE_DELAYED): Use it. - (INSN_REFERENCES_ARE_DELAYED): Likewise. - -Tue Feb 2 22:42:51 1999 Jim Wilson <wilson@cygnus.com> - - * Makefile.in: Change all uses of AR to AR_FOR_TARGET. Change all uses - of HOST_AR to AR. Likewise for AR_FLAGS, RANLIB, and RANLIB_TEST. - (RANLIB_TEST): Test to see if ranlib exists. Only test absolute file - names if host == target. - (HOST_AR, HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Delete. - (AR_FLAGS_FOR_TARGET): Renamed from AR_FOR_TARGET_FLAGS. - (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Delete rules - setting them to *_FOR_TARGET. - * cross-make (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): - Delete. - -Fri Jan 29 21:00:56 1999 Bob Manson <manson@charmed.cygnus.com> - - * resource.c, resource.h: New files. - * Makefile.in (OBJS): Add it. - - * haifa-sched.c (regno_use_in): Moved to rtlanal.c. - (split_block_insns): Moved to recog.c. - (update_flow_info): Make public. - * rtl.h: Declare them. - - * reorg.c: Moved the functions dealing with computing resource - usage to resource.c. - - * sched.c (regno_use_in): Moved to rtlanal.c. - (update_flow_info): Make public. - (schedule_insns): Use split_block_insns. - - * recog.c (split_block_insns): New function. - -Tue Feb 2 20:26:23 1999 Stan Cox <scox@cygnus.com> - - * sparc.h (TARGET_CPU_sparc86x): Added. TARGET_CPU_sparclite86x synonym. - -Tue Feb 2 20:24:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * loop.c (loop_optimize): Fix value max_uid_for_loop is reset - to after find_and_verify_loops call. - -Tue Feb 2 19:48:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * (recombine_givs): Don't use a giv that's likely to be dead to - derive others. - - * loop.c (recombine_givs): Fix test for lifetime overlaps / loop - wrap around when deriving givs. - -Mon Feb 1 11:29:49 1999 Nick Clifton <nickc@cygnus.com> - - * config/arm/tpe.h (WCHAR_TYPE): Define to 'unsigend short'. - (WCHAR_TYPE_SIZE): Define to 16. - -1999-01-30 Jim Blandy <jimb@zwingli.cygnus.com> - - * configure: For PowerPC configurations, accept "401", "ec603e", - "740", and "750" as valid arguments to --with-cpu. They're - supported in config/rs6000/rs6000.c, but were missing from this - list. - -Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com) - - * pa.md (parallel shift and shiftadd): Mark output of shift as an - earlyclobber. - -Sat Jan 30 03:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * loop.c (strength_reduce): Size reg_map according to reg_iv_type. - -Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * loop.c (recombine_givs): Don't try to derive givs that have combined. - -Fri Jan 29 15:52:07 1999 Dave Brolley <brolley@cygnus.com> - - * emit-rtl.c (remove_insn): New function. - * rtl.h (remove_insn): Add prototype. - * function.c (reposition_prologue_and_epilogue_notes): Call remove_insn. - -Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning - forward from cont dominator. - -Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * loop.c (strength_reduce): Grow set_in_loop / n_times_set / - may_not_optimize to proper size when converting biv increments - into givs. - If necessary, reallocate reg_iv_type / reg_iv_info before calling - recombine_givs. - -Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * loop.c (recombine_givs): New parameter unroll_p. If set, don't - generate complex adds. Changed caller. - Don't generate adds that cost more than the original one. - (strength_reduce): Warning fixes. - -Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * rtl.h (insn_first_p): Declare. - * rtlanal.c (insn_first_p): New function. - * loop.h (varray.h): Include. - (struct induction): Change combined_with to unsigned. - New members derived, ix and last_use. - (reg_iv_type, reg_iv_info): Now varray_type. All references changed. - (REG_IV_TYPE, REG_IV_INFO): Define. - (first_increment_giv, last_increment_giv): Declare. - * loop.c (loop_number_loop_cont): New static variable. - (loop_number_cont_dominator): Likewise. - (reg_iv_type, reg_iv_info): Now varray_type. - (first_increment_giv, last_increment_giv): New variables. - (compute_luids, verify_dominator, find_life_end): New functions. - (cmp_recombine_givs_stats, recombine_givs): Likewise. - (loop_optimize): Allocate loop_number_loop_cont and - loop_number_cont_dominator. Use compute_luids. - (find_and_verify_loops): Initialize loop_number_loop_cont and - loop_number_cont_dominator. - (strength_reduce): Try to find bivs that can be expressed as givs - of another biv, and to convert biv increments into givs. - Call recombine_givs. Handle derived givs. - (record_biv): New argument location. All callers changed. - (record_giv): Initialize derived and last_use fields. - (basic_induction_var): New argument location. All callers changed. - (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv. - Increment combined_with instead of setting to 1. - * unroll.c (derived_regs): New static variable. - (unroll_loop): Initialize it. - Allocate local_regno according to max_reg_num. - (copy_loop_body): Cope with derived givs. - (find_splittable_givs): Check for Givs made from biv increments. - Set derived_regs for givs. - * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h . - -Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * function.c (purge_addressof_1): Handle case when a register - has been used in a wider mode. - -Tue Jan 26 12:45:55 1999 Jim Wilson <wilson@cygnus.com> - - * function.c (expand_function_end): Pass arg_pointer_save_area to - validize_mem before using it. Emit code into a sequence. - -Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@mhpcc.edu> - - * rs6000.md (left shift + set cr patterns): Add missing '#' to - split patterns. - (move register + set cr pattern): Ditto. - (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch, - inadvertently deleted. - -Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com) - - * stmt.c (stmt_loop_nest_empty): New function. - * tree.h (stmt_loop_nest_empty): Declare it. - * rtl.def (CALL_PLACEHOLDER): New rtx code. - -Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com) - - * configure.in (gcc_tooldir): Handle case where exec_prefix has - not been explicitly set. - * configure: Rebuilt. - - * configure.in (gcc_tooldir): When not making a relative gcc_tooldir, - use $exec_prefix/$target_alias for gcc_tooldir. - * configure: Rebuilt. - -Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com> - - * cppp.c (xrealloc): Fix typo last change. - * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise. - * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise. - * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise. - -1999-01-22 Michael Meissner <meissner@cygnus.com> - - * rs6000.h (CR0_REGNO_P): New macro to test if cr0. - (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0. - (PREDICATE_CODES): Add cc_reg_not_cr0_operand. - (cc_reg_not_cr0_operand): Add declaration. - - * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a - pseudo register, or a control register that is not CR0. - - * rs6000.md (all combiner patterns building . instructions): For - all `.' instructions that do something and set cr0, add an - alternative that does the operation, and then sets a different - flag, in order to avoid using the costly mcrf instruction and also - allow cr0 to be clobbered in asm statements. Also fix a few - patterns that used the wrong register. - -Fri Jan 22 10:42:06 1999 Vladimir N. Makarov <vmakarov@cygnus.com> - - * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of - the macros. - -Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com) - - * Makefile.in (gcc_tooldir): Move before first reference. - Let autoconf substitute in a value. - * configure.in (gcc_tooldir): Only use a relative path to the - tool directory if $exec_prefix == $prefix. - * configure: Rebuilt. - - * Makefile.in (tooldir): Replace with gcc_tooldir. - -Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com> - - * emit-rtl.c (try_split): Don't try to split non-instructions. - -Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com> - - * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept - transformations that we have performed earlier. - * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise. - - * alpha.md (prologue_stack_probe_loop): Don't do our own label - handling, call gen_label_rtx instead. - -Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com> - - * cccp.c (xrealloc): Call malloc given a NULL old pointer. - * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise. - * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise. - * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise. - * genrecog.c, mips-tfile.c, protoize.c: Likewise. - -Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com> - - * cppexp.c (cpp_lex): Allocate token_buffer dynamically. - -1999-01-21 Vladimir N. Makarov <vmakarov@cygnus.com> - - * config/i960/i960.h (LONG_DOUBLE_TYPE_SIZE): Remove labels - `CYGNUS LOCAL i960-80bit'. - * emit-rtl.c (operand_subword) : Ditto - * stor-layout.c (layout_type): Ditto. - * varasm.c (output_constant_pool): Ditto. - -Thu Jan 21 14:18:04 EST 1999 Andrew MacLeod <amacleod@cygnus.com> - - * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use - move_by_pieces. - (MOVE_MAX_PIECES): Define maximum number of bytes to move at once. - (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults. - (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults. - (move_by_pieces): Use new macros. - (emit_block_move): Use new macros. - (clear_by_pieces): Use new macros. - (clear_storage): Use new macros. - (emit_push_insn): Use new macros. - (expand_expr): Use new macros. - * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): - Define. - (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define. - (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE. - (MOVE_MAX_PIECES): move 8 bytes on SH4. - * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT, - USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT, - USE_STORE_PRE_DECREMENT): Describe new macros. - -Thu Jan 21 09:38:04 1999 Nick Clifton <nickc@cygnus.com> - - * config/arm/arm.c (arm_gen_store_multiple): Fix typo in recent - update. - -Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com> - - * function.c (assign_parms): Save and restore setting of - TREE_USED (parm). - -Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com> - - * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout. - Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate. - -Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com> - - * recog.c (pop_operand): New function. - * recog.h (pop_operand): Declare it. - * genrecog.c (preds): Define it. - - * expr.c (do_jump_for_compare): Handle conditional branch expanders - emitting multiple jump instructions. - * jump.c (condjump_label): New function. - * rtl.h (condjump_label): Declare it. - -Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com> - - * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit - clobber during or after reload. - -Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com> - - * genoutput.c (name_for_index): New function. - (scan_operands, validate_insn_alternatives): Use it. - * genrecog.c (insn_name_ptr_size): New variable. - (make_insn_sequence): Fill in insn_name_ptr. - (merge_trees): Use it. - -Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com> - - * i386/isc.h (TARGET_DEFAULT): Define symbolicly. - * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise. - * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise. - -Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com) - - * loop.c (NUM_STORES): Delete. - (loop_store_mems): Turn into an EXPR_LIST of MEMs. - (prescan_loop): Properly initialize loop_mems_idx. - (note_addr_stored): Simplify using list structure instead of - fixed sized array. - (invariant_p, check_dbra_loop, load_mems): Similarly. - - * flow.c (invalidate_from_autoinc): New function. - (mark_set_1, mark_used_regs): Use it. - - * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile. - -Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com> - - * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by - invisible reference. - -1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com> - - * invoke.texi (-mlong-double-64): New option description. - -1999-01-19 Jim Wilson <wilson@cygnus.com> - - * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to - LIBGCC2_LONG_DOUBLE_TYPE_SIZE. - (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE - if not defined. - * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics. - (CPP_SPECS): Add -mlong-double-64 support. - (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New. - (TARGET_SWITCHES): Add -mlong-double-64 support. - (LONG_DOUBLE_TYPE_SIZE): Likewise. - (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define. - * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float. - (CPP_SPECS): Add -mlong-double-64 support. - * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64. - (MULTILIB_DIRNAMES): Add ld64. - * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise. - -Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com> - - * rtl.h (rtx_def): Update documentation. - (MEM_IN_STRUCT_P): Likewise. - (MEM_SCALAR_P): New macro. - (MEM_COPY_ATTRIBUTES): Likewise. - (MEM_SET_IN_STRUCT_P): Likewise. - * rtl.texi (MEM_SCALAR_P): Document. - * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES. - (fixed_scalar_and_varying_struct_p): New function. Use - MEM_SCALAR_P rather than !MEM_IN_STRUCT_P. - (aliases_everything_p): Likewise. - (true_dependence): Use them. - (write_dependence_p): New function, containing code common to - anti_dependence and output_dependence. - (anti_dependence): Use it. - (output_dependence): Likewise. - * calls.c (save_fixed_argument_area): Don't clear - MEM_IN_STRUCT_P. - (expand_call): Use MEM_SET_IN_STRUCT_P. - (emit_library_call): Don't clear MEM_IN_STRUCT_P. - (emit_library_call_value): Likewise. - (store_one_arg): Use MEM_SET_IN_STRUCT_P. - * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES. - (make_extraction): Likewise. - (simplify_shift_const): Likewise. - (gen_lowpart_for_combine): Likewise. - * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES. - * emit-rtl.c (operand_subword): Likewise. - (change_address): Likewise. - * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES. - * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES. - (emit_group_store): Use MEM_SET_IN_STRUCT_P. - (copy_blkmode_from_reg): Likewise. - (store_field): Likewise. - (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P - heuristically. Use MEM_SET_IN_STRUCT_P. - (get_memory_rtx): Likewise. - * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES. - * function.c (assign_stack_temp): Clear MEM_SCALAR_P and - MEM_ALIAS_SET on newly returned MEMs. - (assign_temp): Use MEM_SET_IN_STRUCT_P. - (put_reg_into_stack): Likewise. - (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES. - (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P. - (assign_parms): Likewise. - (expand_function): Likewise. - * integrate.c (expand_inline_function): Likewise. - (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES. - * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P. - * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES. - * print-rtl.c (print_rtx): Print /f for frame_related. - * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES. - * reload1.c (reload): Copy MEM_SCALAR_P as well. - * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P. - (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES. - * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P. - (output_constant_def): Likewise. - * a29k.c (a29k_set_memflags_1): Take scalar_p. - Set MEM_SCALAR_P. - (a29k_set_memflags): Use it. - * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES. - * c4x.c (c4x_scan_for_ld): Likewise. - * h8300.c (fix_bit_operand): Likewise. - * m88k.c (legitimize_address): Likewise. - (block_move_loop): Likewise. - (block_move_no_loop): Likewise. - (block_move_sequence): Likewise. - (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P. - * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise. - * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES. - * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P. - * arm.h (arm_gen_load_multiple): Take scalar_p. - (arm_store_load_multiple): Likewise. - * arm.c (arm_gen_load_multiple): Likewise. - (arm_gen_store_multiple): Likewise. - (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P. -Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com) - - * Makefile.in (cccp.o, cpplib.o): Depend on Makefile. - -Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com> - Jeffrey A Law (law@cygnus.com) - - * flow.c (last_mem_set): Delete variable. References removed. - (mem_set_list): New variable. - (life_analysis): Initialize and finalize alias analysis. - (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs. - (insn_dead_p): For a store to memory, search the entire mem_set_list - for a match. - (mark_set_1): Kill entries on the mem_set_list for aliased writes or - changes to their addresses. Add new entries to the mem_set_list for - memory writes writes. - (mark_used_regs): Kill entries on the mem_set_list which may be - referenced by a load operation. - -Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com) - - * alias.c (base_alias_check): Add missing return for differing - symbols case. - -Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com) - - * Makefile.in (cppulp.o): Add dependencies. - - * i386.md (integer conditional moves): Add missing earlyclobbers. - - * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update - REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change - where a register is live. - -Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com) - - * pa.md (shadd): Create shadd insns, even if the result of the shift is - needed without the addition. - -Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk> - - * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage. - -Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com> - - * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create - (mem (lo_sum (...)) for TFmode unless TARGET_V9. - -Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com) - - * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf. - - * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid - generating non-canonical rtl. - -1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com> - - * config/i960/i960.c (i960_output_move_double_zero, - i960_output_move_quad_zero): New functions for moving zeros. - (i960_output_move_double, i960_output_move_quad): Additional code - for situation when moving unaligned register group. - - * config/i960/i960.h (i960_output_move_double_zero, - i960_output_move_quad_zero): The function definitions. - - * config/i960/i960.md (movdi+1, movti+1): Usage of the functions. - -1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com> - - * config/i960/i960.c (i960_function_prologue): New code (optimal - solution) for saving global registers in local registers. - (form_reg_groups, reg_group_compare, split_reg_group): New - functions used by the code. - (reg_group): New structure definition for the new code. - -Wed Jan 13 13:28:22 1999 Catherine Moore <clm@cygnus.com> - - * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN - before generating a call to abort for volatile functions. - * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define. - (TARGET_ABORT_NORETURN): Define. - (abort-on-noreturn): New option. - -Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com) - - * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when - generating code for TARGET_64BIT. - -Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com> - - * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls. - -Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com> - - * rtl.c (rtx_alloc): Use memset instead of inline loop. - - * recog.h (recog_op_alt): Declare extern. - -Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com> - - * function.c (purge_addressof_1): If the note accesses a mem+addressof - in a wider mode than any replacement, adjust the cached replacement. - Cache trivial substitutions as well. - -Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com> - - * Makefile.in (OBJECTS): Add sbitmap.o. - (BASIC_BLOCK_H): Add sbitmap.h. - * basic-block.h: Move simple bitmap code to sbitmap.h. - * flow.c: Move simple bitmap code to sbitmap.c - * sbitmap.h, sbitmap.c: New files. - -Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com> - - * alpha.h (TARGET_SWITCHES): Document switches. - (TARGET_OPTIONS): Likewise. - - * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC. - -Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com> - - * tree.c (new_alias_set): Return zero if !flag_strict_aliasing. - -Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com> - - * basic-block.h (basic_block_head): Rename to x_basic_block_head. - (basic_block_end): Rename to x_basic_block_end. - (BLOCK_HEAD, BLOCK_END): Update. - - * caller-save.c: Change basic_block_head/end references to - BLOCK_HEAD/END. - * combine.c, flow.c, function.c, gcse.c, global.c: Likewise. - * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise. - * regmove.c, reload1.c, reorg.c, sched.c: Likewise. - -Thu Jan 11 18:37:50 1999 Vladimir N. Makarov <vmakarov@cygnus.com> - - * invoke.texi (-mcpu=740, -mcpu=750): New options. - (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 & - PPC750. - -1999-01-11 Michael Meissner <meissner@cygnus.com> - - * config/rs6000/rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all - machines supported with -mcpu=xxx. - (processor_type): Add PROCESSOR_PPC750. - (ADJUST_PRIORITY): Call rs6000_adjust_priority. - (RTX_COSTS): Supply costs for 750 multiply/divide operations. - (rs6000_adjust_priority): Add declaration. - - * config/rs6000/rs6000.c (rs6000_override_options): - -mcpu={750,740} now sets the processor type as 750, not 603. - Allow -mmultiple and -mstring on little endian 750 systems. - (rs6000_adjust_priority): Stub for now. - (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle. - - * config/rs6000/rs6000.md (function/cpu attributes): Add initial - ppc750 support. - - * config/rs6000/sysv4.h (STRICT_ALIGNMENT): Don't force strict - alignment if little endian. - (CC1_SPEC): Pass -mstrict-align if little endian, and not - overridden. - (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs. - (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs. - - * config/rs6000/{sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): - Override, default is little endian. - - * config/rs6000/t-ppcgas (MULTILIB_*): Delete obsolete Solaris - multilibs. - -Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * gcc.c (xstrerror): Renamed from my_strerror. All callers - changed. Remove prototype since we get that from libiberty.h. - - * protoize.c (xstrerror): Likewise. - -Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * gcc.c (read_specs): Ensure format specifiers match their arguments. - -Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com> - - * tree.c (copy_node): Oops. That would be copy not zero - in that last change. - -Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * config/c4x/c4x.c: Include system.h. - (c4x_caller_save_map): Disable caller save for RC. - (c4x_optimization_options): Disable scheduling before reload. - (valid_parallel_load_store) : Define return type as int. - Remove unused variable regs. - * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register - class. - * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to - handle rotations. - (*db, decrement_and_branch_until_zero): Fix up constraints - to keep reload happy. - -Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com> - - * tree.c (make_node): Call bzero instead of inline clear. - (copy_node, make_tree_vec, build1): Likewise. - (get_identifier): Call strlen instead of inline count. - (maybe_get_identifier): Likewise. - -Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc - operations in 3rd annulled delay slot. - (*lshrqi3_const_set): Disallow c constraint for operand0. - (modhi3+1, modhi3+2): Set attribute type to multi. - * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of - != operator. - -Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * gansidecl.h: Allow attribute unused on labels only when we are - version 2.93 or higher. Not all versions of 2.92 have this feature. - - * version.c: Bump minor number to 93. - -Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> - - * config/m68k/m68k.h: Declare output_function_epilogue. - * recog.h: Declare next_insn_tests_no_inequality. - -Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com) - - * stmt.c (optimize_tail_recursion): New function, extracted from ... - (expand_return): Use optimize_tail_recursion. - * tree.h (optimize_tail_recursion): Declare. - - * toplev.c (compile_file): Move call to output_func_start_profiler - to after the loop to emit deferred functions. - -Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> - - * system.h (abort): Supply more detailed information on how to - report an Internal Compiler Error. - -Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com> - - * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to - allocate memory that will live beyond this function. - (expand_call): Free it here. - -Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com> - - * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for - integer data not destined for fp regs. - (LEGITIMIZE_RELOAD_ADDRESS): New. - -Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com> - Richard Henderson <rth@cygnus.com> - - Support for Hypersparc and Sparclite86x: - * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New. - (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets. - (ASM_CPU32_DEFAULT_SPEC): Likewise. - (TARGET_CPU_DEFAULT): Likewise. - (enum processor_type): Likewise. - (CPP_ENDIAN_SPEC): Handle little endian data. - (LIBGCC2_WORDS_BIG_ENDIAN): Likewise. - (ADJUST_COST): Call sparc_adjust_cost. - * sparc.c (sparc_override_options): Fix up for the new targets. - (supersparc_adjust_cost): Make static. - (hypersparc_adjust_cost): New. - (ultrasparc_adjust_cost): Make static. - (sparc_adjust_cost): New. - * sparc.md (attr cpu): Add hypersparc and sparclite86x. - (function_unit): Add hypersparc scheduling rules. - - * configure.in (with_cpu handler): Recognize hypersparc. - -Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * config/c4x/c4x.c: Added space after negation operator. - * config/c4x/c4x.h: Likewise. - * config/c4x/c4x.md: Likewise. - -Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class. - -Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases, - when a test can't be performed due to limited width of - HOST_BITS_PER_WIDE_INT, use the more conservative approximation. - Fix UDIV case for cases where the first operand has the highest bit - set. - -Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de> - - * pa.h (reg_class): Add FPUPPER_REGS. - (REG_CLASS_NAMES): Similarly. - (REG_CLASS_CONTENTS): Similarly - (REGNO_REG_CLASS): Handle FPUPPER_REGS. - (FP_REG_CLASS_P): Likewise. - (REG_CLASS_FROM_LETTER): Similarly. - (CLASS_MAX_NREGS): Similarly. - -1999-01-06 Brendan Kehoe <brendan@cygnus.com> - - * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h - for a typedef of bool. Make sure to have a copy of the file is - in place before we look to fix it. Fix typo in variable name to - FILE. - -Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com> - - * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use - value_mode for the return mode. - -Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net> - - * configure.in: New flag --with-dwarf2. If set, enables DWARF-2 - debugging as default. - - * config/tm-dwarf2.h: New file. - -Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com) - - * h8300.h (ASM_OUTPUT_LABELREF): Define. - - * pa.h (DONT_RECORD_EQUIVALENCE): Kill. - * local-alloc.c (update_equiv_regs): Corresponding changes. - * tm.texi (DONT_RECORD_EQUIVALENCE): Kill. - - * calls.c (special_function_p): Push alloca test inside the large - conditional which excludes functions not at file scope or not - extern. - - * calls.c (special_function_p): New function broken out of - expand_call. - (precompute_register_parameters): Likewise. - (store_one_arg): Likewise. - (store_unaligned_argumetns_into_pseudos): Likewise. - (save_fixed_argument_area): Likewise. - (restore_fixed_argument_area): Likewise. - (expand_call): Corresponding changes. - -Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> - - * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX - handling. - (const_sint32_operand): Likewise. - -Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * toplev.h: In addition to checking _JBLEN, also check if `setjmp' - is a macro when deciding if we can use `jmp_buf' in prototypes. - -Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * config/c4x/c4x.md (addqi3): If the destination operand is - a hard register other than an extended precision register, - emit addqi3_noclobber. - (*addqi3_noclobber_reload): New pattern added so that reload - will recognise a store of a pseudo, equivalent to the sum - of the frame pointer and a constant, as an add insn. - -Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net. - - * configure.in (pc-msdosdjgpp): Set x_make to x-go32. - * configure: Rebuilt. - * i386/xm-go32.h: Define LIBSTDCXX. - * i386/x-go32: New. - * i386/go32.h (MD_EXEC_PREFIX): Define. - (FILE_NAME_ABSOLUTE_P): Define. - (LINK_COMMAND_SPEC): Define. - -Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net> - - * expr.c (store_expr): If the lhs is a memory location pointed - to be a postincremented (or postdecremented) pointer, always - force the rhs to be evaluated into a pseudo. - -Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au> - - * real.c (mtherr): Print more reasonable warning messages. - -Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h. - - * cccp.c: Include prefix.h, don't prototype prefix.c functions. - (new_include_prefix): Constify char* parameters. - - * cppfiles.c (read_name_map): Likewise. - (append_include_chain): Likewise. Also, use a writable char* copy - of parameter `dir' which we then modify, rather than using the - parameter itself to store the new writable string. - (remap_filename): Constify some variables. Also, use a writable - char* to store an allocated string which we will be modifying. - - * cpplib.c: Include prefix.h, don't prototype prefix.c functions. - (cpp_start_read): Constify variable `str'. - - * cpplib.h (append_include_chain): Constify a char* parameter. - - * gcc.c Include prefix.h, don't prototype prefix.c functions. - (add_prefix, save_string): Constify char* parameters. - (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes. - - * prefix.c: Include prefix.h. - (get_key_value, translate_name, save_string, update_path, - set_std_prefix): Constify various char* parameters and variables. - (save_string): Use xmalloc, not malloc. - (translate_name): Use a writable temporary variable to create and - modify a string before setting it to a const char*. - - * prefix.h: New file to prototype functions exported from prefix.c. - -Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu> - - * cpplib.c (skip_if_group): Split out the logic that handles - directive recognition to its own function. Don't use - parse markers; use a bare pointer into the buffer. Use - copy/skip_rest_of_line instead of doing it by hand. Remove - `return on any directive' mode which was never used, and take - only one argument. - (consider_directive_while_skipping): New function, subroutine - of skip_if_group. Logic streamlined a bit. - (conditional_skip, do_elif, do_else): Call skip_if_group with - only one argument. - -Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu> - - * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an - error. - -Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com> - - * extend.texi (Bound member functions): Document. - -Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string, - lang_to_string, type_to_string): Make return type const char*. - (print_symbol): Apply `const' keyword to a char*. - (print_file_desc): Cast structure member `crfd' to ulong when - comparing against one. - - * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*. - (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes. - (progname, input_name): Apply `const' keyword to a char*. - Don't redundantly include sys/stat.h. - (alloc_info): Apply `const' keyword to a char*. - (st_to_string, sc_to_string): Likewise. - (hash_string): Cast variable `hash_string' to a symint_t when - comparing against one. - (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one. - Likewise cast it to long when comparing against one. - (add_local_symbol): Apply `const' keyword to a char*. - (add_ext_symbol): Likewise. - (add_unknown_tag): Likewise. - (add_procedure): Cast a printf-style field width to an int. - (add_file): Cast PAGE_USIZE to long when comparing against one - (parse_begin): Cast a printf-style field width to an int. - (parse_bend): Likewise. - (parse_def): Likewise. - (parse_end): Likewise. - (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED. - (parse_stabs_common): Fix format specifier. - (parse_input): Change type of variable `i' to Size_t. - (write_object): Fix arguments to match format specifiers. - Cast variable `num_write' to long when comparing against one. - (read_seek): Cast variable `sys_read' to symint_t when comparing - against one. Fix arguments to match format specifiers. Cast - variable `size' to long when comparing against one. - (copy_object): Cast result of `sizeof' to int when comparing - against one. Fix arguments to match format specifiers. Cast - variable `ifd' to long when comparing against a signed value. - Likewise, likewise. - -Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * c-common.c (decl_attributes): Allow applying attribute `unused' - on a LABEL_DECL. - - * c-parse.in (label): Parse attributes after a label, and call - `decl_attributes' to handle them. - - * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define. - - * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When - generating labels, mark them with ATTRIBUTE_UNUSED_LABEL. - - * invoke.texi: Note that labels can be marked `unused'. - -Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com) - - * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing - RTL for a compare/jump sequence. - -Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL - for a target with HAVE_cc0 defined. - (emit_cmp_and_jump_insns): New function. - * expr.h (emit_cmp_and_jump_insns): Prototype it. - * loop.c (check_dbra_loop): Use it to replace calls - to emit_cmp_insn and emit_jump_insn and to canonicalise - the comparison if necessary. - * unroll.c (unroll_loop): Likewise. - -Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> - - * fixincludes (sys/utsname.h): Provide forward declaration of - struct utsname on Ultrix V4.[35]. - - * mips.md (div_trap): Use local labels instead of dot-relative - branches. - -Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com) - - * pa.md (branch, negated branch): Handle (const_int 0) as first - source operand. - * pa.c (output_cbranch): Likewise. - -Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu> - - * rs6000.c (rs6000_stack_info): Undo spurious part of last - change. - -1999-01-01 Manfred Hollstein <manfred@s-direktnet.de> - - * extend.texi (__builtin_constant_p): Add missing @smallexample. - -Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com) - - * i386.md (doubleword shifts): Fix dumb mistakes in previous change. - -Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com) - - * m68k.md (adddi_dilshr32): Allow all operands to be registers too. - (adddi_dishl32): Similarly. - - * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers - for each insn in the skipped block. - - * reload1.c (reload_as_needed): Verify that the insn satisfies its - constraints after replacing a register address with an autoincrement - address for reload inheritance purposes. - - * i386.md (doubleword shifts): Avoid namespace pollution. - -Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com> - - * configure.in (FreeBSD ELF): Needs special crt files. - -Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com> - - * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash. - -1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> - - * loop.c (check_dbra_loop): While reversing the loop, if the - comparison value has a VOID mode use the mode of the other operand - to compute the mask. - -Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com> - - * rs6000.md ({save,restore}_stack_function): Take 2 operands to - avoid warnings in compiling explow.c. - - (patch from Ken Raeburn, raeburn@cygnus.com) - * rs6000.c (rs6000_stack_info): Force 8-byte alignment of - fpmem_offset. Compute total size after that, and then - rs6000_fpmem_offset using both values. - -Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> - - * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in - the future; indeed that already happens in some cases. - -Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com> - - * sparc.c (input_operand): Recognize (const (constant_p_rtx)). - (arith_operand): Remove constant_p_rtx handling. - (const64_operand, const64_high_operand): Likewise. - (arith11_operand, arith10_operand, arith_double_operand): Likewise. - (arith11_double_operand, arith10_double_operand, small_int): Likewise. - (small_int_or_double, uns_small_int, zero_operand): Likewise. - * sparc.h (PREDICATE_CODES): Likewise. - - * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX. - -Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>: - - * rtl.def (CONSTANT_P_RTX): Clarify commentary. - * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to - consider constant CONSTRUCTOR constant and to defer some cases - to cse. - * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX. - * regclass.c (reg_scan_mark_refs, case CONST): Likewise. - -Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com> - - * expr.c (init_expr_once): Kill can_handle_constant_p recognition. - * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code. - - * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling. - (reg_or_8bit_operand, cint8_operand, add_operand): Likewise. - (sext_add_operand, and_operand, or_operand): Likewise. - (reg_or_cint_operand, some_operand, input_operand): Likewise. - * alpha.h (PREDICATE_CODES): Likewise. - -Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com) - - * gengenrtl.c (gencode): Always use bzero to clear memory instead - of dangerous casts and stores. - - * Makefile.in (compare, gnucompare): Add missing else true clauses. - -Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com) - - * alpha.md (builtin_longjmp): Add missing "DONE". - -Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com> - - * gcc.c (execute): Enable -pipe with win32. - -Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com> - - * config/arm/t-arm-elf: Add multiplib option for leading - underscores. - - * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable - 'user_label_prefix' rather than macro USER_LABEL_PREFIX. - - (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather - than variable 'reload_address_base_reg_class'. [Note this - change is unrelated to the others in this patch]. - - * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no - leading underscore. - -Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * alias.c (record_alias_subset): Remove ignored `&'. - (init_alias_once): Likewise. - - * c-lex.c (UNGETC): Cast first argument of comma expression to void. - - * config/mips/mips.c (mips_asm_file_end): Cast the result of - fwrite to `int' when comparing against one. - - * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||. - (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'. - - * cse.c (rehash_using_reg): Change type of variable `i' to - unsigned int. - - * dwarf2out.c (initial_return_save): Cast -1 to unsigned before - assigning it to one. - - * except.c (duplicate_eh_handlers): Remove unused variable `tmp'. - - * final.c (final_scan_insn): Likewise for variable `i'. - (output_asm_insn): Cast a char to unsigned char when used as an - array index. - - * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when - assigning it to one. - - * loop.c (strength_reduce): Remove unused variables `count' and `temp'. - - * recog.c (preprocess_constraints): Cast a char to unsigned char - when used as an array index. - - * regmove.c (find_matches): Likewise. - - * reload1.c (calculate_needs): Add default case in switch. - (eliminate_regs_in_insn): Initialize variable `offset'. - (set_offsets_for_label): Change type of variable `i' to unsigned. - (reload_as_needed): Wrap variable `i' in macro check on - AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P. - - * scan-decls.c (scan_decls): Mark parameters `argc' and `argv' - with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t - when comparing against one. - - * stor-layout.c (layout_decl): Cast maximum_field_alignment to - unsigned when comparing against one. Likewise for - GET_MODE_ALIGNMENT(). - (layout_record): Cast record_align to int when comparing against a - signed value. - (layout_type): Cast TYPE_ALIGN() to int when comparing against a - signed value. - - * tree.c (get_identifier): Cast variable `len' to unsigned when - comparing against one. - (maybe_get_identifier): Likewise - -Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com) - - * toplev.c (rest_of_compilation): Do not set reload_completed. - * reload1.c (reload): Set reload_completed before calling - cleanup_subreg_operands. - -Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com> - - * reload1.c (emit_reload_insns): Check `set' not null before use. - -Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com> - - * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to - 'int'. - -Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr> - - * halfpic.c (half_pic_encode): Delete redundant code. - -Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com> - - * toplev.c (main): Delete handling of -dM as a preprocessor - option. - -Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com> - - * toplev.c (main): Don't emit any warnings when using -dD, -dM, or - -dI, which are handled by the preprocessor. - -Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu> - - * configure.in: Handle Digital UNIX 5.x the same as 4.x. - * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".". - -Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * genattr.c (fatal): Qualify a char* with the `const' keyword. - - * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set, - write_unit_name, write_eligible_delay, expand_units, - make_length_attrs, write_attr_case, find_attr, - make_internal_attr): Likewise. - * gencheck.c (tree_codes): Likewise. - * gencodes.c (fatal): Likewise. - * genconfig.c (fatal): Likewise. - * genemit.c (fatal): Likewise. - * genextract.c (fatal, walk_rtx, copystr): Likewise. - * genflags.c (fatal): Likewise. - * genopinit.c (fatal, optabs, gen_insn): Likewise. - * genoutput.c (fatal, error, predicates): Likewise. - * genpeep.c (fatal): Likewise. - * genrecog.c (fatal, decision, pred_table, add_to_sequence, - write_tree_1, write_tree, change_state, copystr, indents): Likewise. - -Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> - - * configure.in (with-fast-fixincludes): Fix whitespace. - * configure: Rebuilt. - - * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific - asm() etc. function declarations in __DECC. - -Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com> - - * expr.c (emit_move_insn_1): Only emit a clobber if the target - is a pseudo register. - -Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com> - - * gcse.c: Include expr.h in order to get the prototype for - get_condition() which is used in delete_null_pointer_checks(). - -Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros. - -Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com> - - * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS. - (ALL_CFLAGS): Delete SCHED_CFLAGS. - -1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com> - - * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of - ';'). - -1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com> - - * i960.md (extend*, zero_extend*): Don't generate rtl that looks - like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides - optimizations from the combiner. - -Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * loop.c (combine_givs_used_by_other): Don't depend on n_times_set. - -Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com> - - * toplev.c (main): Disable optimize_size if a specific - optimization level is requested. Always set optimization - level to 2 if -Os is specified. - -Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com> - - * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with - cpplib. - * cpplib.c (cpp_start_read): If in_fname is not initialized, try to - initialize it using fname. - -1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu> - - * cpplib.c (do_include): Treat #include_next in the - primary source file as #include plus warning. Treat - #include_next in a file included by absolute path as an - error. fp == CPP_NULL_BUFFER is a fatal inconsistency. - -Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * cccp.c: Don't define MIN/MAX anymore. - * cpplib.c: Likewise. - * machmode.h: Likewise. - * system.h: Provide definitions for MIN/MAX. - -Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu> - - * fix-header.c: Don't define xstrdup here. - -Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * loop.c (consec_sets_giv): New argument last_consec_insn. - (strength_reduce): Provide / use it. - -Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * loop.h (loop_info): New field 'vtop'. - * loop.c (check_dbra_loop): Use loop_info->vtop rather than - scanning loop for vtop. - * unroll.c (subtract_reg_term, find_common_reg_term): New functions. - (loop_iterations): Use them to determine if loop has a constant - number of iterations. Set loop_info->vtop. Don't subtract - common reg term from initial_value and final_value if have a - do-while loop. - -Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com) - - * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2. - - * mn10300.md (bset, bclr): Operand 0 is a read/write operand. - - * mn10200.md (abssf2, negsf2): New expanders. - - * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders. - -Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com> - - * integrate.c (copy_rtx_and_substitute): If a SUBREG is - replaced by a CONCAT whoes components do not have the same - mode as the original SUBREG, use a new SUBREG to restore the - mode. - - * emit-rtl.c (subreg_realpart_p): Cope with subregs containing - multiword complex values. - -1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu> - - * cppalloc.c: Add xstrdup here. - * cpplib.h: Remove savestring prototype. - * cpplib.c: Remove savestring function. s/savestring/xstrdup/ - throughout. - * cppfiles.c: s/savestring/xstrdup/ throughout. - -1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu> - - * cpplib.c: Make all directive handlers read their own - arguments. - (struct directive): Remove last two arguments from FUNC - member prototype. Remove `command_reads_line' member - entirely. - (directive_table): Remove initializations of - command_reads_line flag. Pretty-print. - (eval_if_expression, do_define, do_line, do_include, - do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef, - do_else, do_elif, do_sccs, do_assert, do_unassert, - do_warning): Take only two args. - - (cpp_define): Call do_define with two args and the text to - define stuffed into a buffer. - (make_assertion): Call do_assert with two args. - (handle_directive): Call do_line with two args. Call - kt->func with two args. Remove command_reads_line - processing. - (do_define, do_undef, do_error, do_warning, do_pragma, - do_sccs): Read the rest of the line here. - (do_ident): Gobble rest of line, as cccp does. - (cpp_undef): New function. - (cpp_start_read): Call cpp_undef instead of do_undef. - -1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu> - - * cpphash.h (union hash_value): Remove `keydef' member, add a - `struct hashnode *aschain' member for #assert. - - * cpplib.c (struct tokenlist_list, struct - assertion_hashnode): Delete structure definitions. - (assertion_install, assertion_lookup, delete_assertion, - check_assertion, compare_token_lists, reverse_token_list, - read_token_list, free_token_list): Delete functions. - (parse_assertion): New function. - (cpp_cleanup): Don't destroy the assertion_hashtable. - - (do_assert): Gut and rewrite. #assert foo (bar) places - entries for `#foo' and `#foo(bar)' in the macro hash table, - type T_ASSERT. The value union's `aschain' member is used - to chain all answers for a given predicate together. - (do_unassert): Also rewritten. Take an un-asserted - answer off the chain from its predicate and call - delete_macro on the hashnode, or walk a predicate chain - calling delete_macro on all the entries. - (cpp_read_check_assertion): Simply call parse_assertion to - get the canonical assertion name, and look that up in the - hash table. - - * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab): - Removed. - - * cpphash.c (install): Use bcopy instead of an explicit loop - to copy the macro name. - - * cppexp.c (cpp_lex): Convert the result of - cpp_read_check_assertion to a `struct operation' directly; - don't go through parse_number. - -Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * loop.h (struct induction): Delete times_used member. - * loop.c (n_times_set): Rename to set_in_loop. Changed all users. - (n_times_used): Rename to n_times_set. Changed all users. - (scan_loop): Free reg_single_usage before strength reduction. - (record_giv, combine_givs): Remove handling of times_used member. - (combine_givs_used_once): Rename to: - (combine_givs_used_by_other) . Changed all callers. - -Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com> - - * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P - instead of TREE_CODE_CLASS == 't'. - (gen_type_die): Likewise. - (scope_die_for): Ignore FUNCTION_TYPE "scopes". - -Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com> - - * real.c (endian): Disable last change unless - HOST_BITS_PER_WIDE_INT is greater than 32. - -Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com> - - * output.h (force_data_section): New prototype. - * varasm.c (force_data_section): New function to force the - data section, regardless of what in_section thinks. - * dwarf2out.c (output_call_frame_info): Call force_data_section - since varasm may not realize we've changes sections. - -Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com> - - * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes - after completeing reload. - - * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are - deleted after reload. - -Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com) - - * rtl.h (multiple_sets): Fix prototype. - * rtlanal.c (multiple_sets): Fix return type. - -Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -1998-12-13 Manfred Hollstein <manfred@s-direktnet.de> - - * protoize.c (fputs): Wrap extern declaration in #ifndef fputs. - -Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * rtl.h (recompute_reg_usage): Add second argument. - * flow.c (recompute_reg_usage): Likewise. - * toplev.c (rest_of_compilation): Supply second argument to - recompute_reg_usage. - - * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0 - after reload. - -Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com) - - * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32. - (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000. - (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000, - mcpu32 or m5200. - - * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character. - - * rtlanal.c (multiple_sets): New function. - * rtl.h (multiple_sets): Declare it. - * local-alloc.c (wipe_dead_reg): Use it. - * global.c (global_conflicts): Likewise. - -Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com> - - * global.c (record_conflicts): Don't use an array of shorts to - store an array of ints. - (global_conflicts): Likewise. - -Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com> - - * alpha.c (alpha_expand_block_move): mode_for_size expects - bits, not bytes. Infer extra alignment from addressof. - -1998-12-11 Michael Meissner <meissner@cygnus.com> - - * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the - .sbss section, not .sdata. - -1998-12-11 Manfred Hollstein <manfred@s-direktnet.de> - - * cccp.c: Do not #include <sys/stat.h> here; this is already done - by "system.h". - * collect2.c: Likewise. - * cpplib.h: Likewise. - * gcc.c: Likewise. - * gcov.c: Likewise. - * getpwd.c: Likewise. - * protoize.c: Likewise. - * toplev.c: Likewise. - - * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h" - and don't try to define it here. - * Makefile.in (cppmain.o): Depend on machmode.h. - (cpplib.o): Likewise. - (cpperror.o): Likewise. - (cppexp.o): Likewise. - (cppfiles.o): Likewise. - (cpphash.o): Likewise. - (cppalloc.o): Likewise. - (fix-header.o): Likewise. - (scan-decls.o): Likewise. - -Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com> - - * sh.c (print_operand): lookup interrupt_handler attribute instead - of relying on static variable. - * (calc_live_regs): Likewise. - * (sh_pragma_insert_attributes): Create interrupt_handler - attribute if a pragma was specified - * (sh_valid_machine_decl_attribute): Don't set static flag. - * sh.h (PRAGMA_INSERT_ATTRIBUTES): New. - -Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START - to determine if a register is live at a jump destination. - Everything is dead at a BARRIER. - -Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com> - - * cse.c (simplify_unary_operation): Sign-extend constants when - they have the most significant bit set for the target. - * real.c (endian): Sign-extend 32 bit output values on a 64 bit - host. - * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in - HOST_WIDE_INT temporary before negating it. - * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000. - -Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com> - - * objc/objc-act.c (lang_init_options): Enclose cpplib related code in - #if USE_CPPLIB. - -Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * collect2.h: New header file for prototypes. - - * Makefile.in (collect2.o, tlink.o): Depend on collect2.h. - -Wed Dec 9 17:40:26 1998 Dave Brolley <brolley@cygnus.com> - - * collect2.c: Include collect2.h. - * tlink.c: Likewise. - -Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com) - - * flow.c: Update some comments. - -Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com> - - * objc/objc-act.c (cpp_initialized): Removed. - (lang_init_options): Initialize cpplib. - (lang_decode_option): Move initialization of cpplib to - lang_init_options. - * c-lang.c: (parse_options,parse_in): Added. - (lang_init_options): Initialized cpplib here. - * c-decl.c (parse_options,cpp_initialized): Removed. - (c_decode_option): Move initialization of cpplib to - lang_init_options. - -Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * reload1.c (reload_combine, reload_combine_note_store): - Make STORE_RUID always valid. - (reload_combine): Check if BASE is clobbered too early. - -Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com> - - * reload.c (find_reloads): Display the insn that cannot be - reloaded. - -Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com> - - * cccp.c (create_definition): Fix end of bufer logic. - -Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function - pointer parameters changed to use the PARAMS() macro. - -Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com> - - * except.h (struct handler_info): Add handler_number field. - * except.c (gen_exception_label): EH labels no longer need to be - on the permanent obstack. - (get_new_handler): Set the label number field. - (output_exception_table_entry): Regenerate handler label reference - from the label number field. - (init_eh): Remove a blank line. - * integrate.c (get_label_from_map): Labels no longer need to be - on the permanent obstack. - -Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com> - - * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand - only when OUTER_CODE is SET. - -Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * loop.c (strength_reduce): If scan_start points to the loop exit - test, be wary of subversive use of gotos inside expression statements. - Don't set maybe_multiple for a backward jump that does not - include the label under consideration into its range. - * unroll.c (biv_total_increment): Make use of maybe_multiple field. - -Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * explow.c (plus_constant_wide): Don't immediately return with - result of recursive call. - -Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com> - - * eh-common.h (struct eh_context): Add table_index for rethrows. - - * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes. - (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be - processed when inlined or unrolled (ie duplicated in some way). - - * rtl.c (reg_note_name): Add strings for new reg_note enums. - - * expr.h (rethrow_libfunc): New library decl. - - * optabs.c (rethrow_libfunc): Initialize. - - * except.h (struct eh_entry): Add new field 'rethrow_label'. - (new_eh_region_entry): No longer exported from except.c. - (duplicate_handlers): Renamed to duplicate_eh_handlers and - different prototype. - (rethrow_symbol_map, rethrow_used): New exported functions. - (eh_region_from_symbol): New exported function. - - * except.c (create_rethrow_ref): New function to create a single - SYMBOL_REF for a rethrow region. - (push_eh_entry): Initialize a rethrow ref. - (func_eh_entry): Add a rethrow_label field. - (new_eh_region_entry): Make static, and initialize the rethrow entry. - (duplicate_eh_handlers): Create a new region, and remap labels/symbols. - (eh_region_from_symbol): Find an EH region based on its rethrow symbol. - (rethrow_symbol_map): Given a label map, maps a rethrow symbol for - a region into an appropriate new symbol. - (rethrow_used): Indicate whether a rethrow symbol has been referenced. - (expand_eh_region_end): Don't issue jump around code for new-exceptions. - (end_catch_handler): Emit a barrier for new-exceptions since - control can never drop through the end of a catch block. - (expand_end_all_catch): new-exceptions never fall through a catch - block. - (expand_rethrow): use __rethrow routine for new exceptions. - (output_exception_table_entry): Generate rethrow labels, if needed. - (output_exception_table): Generate start and end rethrow labels. - (init_eh): Create rethrow symbols for beginning and end of table. - (scan_region): Don't eliminate EH regions which are the targets of - rethrows. - - * flow.c (make_edges): Add different edges for rethrow calls, - identified by having the REG_EH_RETHROW reg label. - (delete_unreachable_blocks): Don't delete regions markers which are - the target of a rethrow. - - * integrate.c (save_for_inline_eh_labelmap): New callback routine to - allow save_for_inline_copying to call duplicate_eh_handlers. - (save_for_inline_copying): Call duplicate_eh_handlers instead of - exposing internal details of exception regions. - (copy_for_inline): Check if SYMBOL_REFs need adjustment. - (expand_inline_function_eh_labelmap): New callback routine to - allow expand_inline_function to call duplicate_eh_handlers. - (expand_inline_function): Call duplicate_eh_handlers instead of - exposing internal details of exception regions. - (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST - flag is set. - - * libgcc2.c (find_exception_handler): Generalize to enable it to - pick up processing where it left off last time for a rethrow. - (__unwinding_cleanup): New function. debug hook which is called before - unwinding when __throw finds there is nothing but cleanups left. - (throw_helper): Common parts of __throw extracted out for reuse. - (__throw): Common parts moved to throw_helper. - (__rethrow): New function for performing rethrows. - -Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com) - - * reload1.c (current_function_decl): Tweak declaration. - -Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com> - - * c-decl.c (flag_isoc9x): Default off. - (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x. - * cccp.c (print_help, main): Likewise. - * gcc.c (default_compilers): Update for -std=gnu*. - -Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com) - - * Makefile.in (DEMANGLE_H): Change location to shared demangle.h. - * demangle.h: Deleted. - - * reload1.c (current_function_decl): Declare. - -Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'. - -Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set. - -1998-12-08 Ulrich Drepper <drepper@cygnus.com> - - * configure.in: Test for availability of putc_unlocked, fputc_unlocked, - and fputs_unlocked. - * configure: Rebuilt. - * system.h: If the *_unlocked functions are available use them - instead of the locked counterparts by defining macros. - * config.in: Regenerated. - -Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com> - - * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is - wrong and should only be used for dump related things, not - debugging information, instead main_input_filename should be used. - Also, reuse output_file_directive if possible. - * i386/aix386ng.h (ASM_FILE_START): Likewise. - * i386/isc.h (ASM_FILE_START): Likewise. - * i386/win-nt.h (ASM_FILE_START): Likewise. - * i386/sun386.h (ASM_FILE_START): Likewise. - -Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com> - - * configure.in (mips*-*-linux*): Handle big and little endian - systems. - * configure: Rebuilt. - -Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com> - - * emit-rtl.c: Fix typo. - -Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org> - - * reload1.c (eliminate_regs): Don't do anything, if we're not - generating code. - -Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com> - - * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA. - Add comment. - * mips/mips.c (mips_select_section): Add comment. - -Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com> - - * cccp.c (ignore_escape_flag): Add support for \ as `natural' - characters in file names in #line to be consistent with #include - handling. We support escape prcessing in the # 1 "..." version of - the command. See also support in cp/lex.c. - (handle_directive): Likewise. - (do_line): Likewise. - -1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu> - - * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM - so it'll work on non-ASCII platforms. Always consider $ an - identifier character. Take no arguments. - (cpp_reader_init): Call initialize_char_syntax with no - arguments. - (cpp_start_read): Don't call initialize_char_syntax again. - Clear is_idchar['$'] and is_idstart['$'] if not - opts->dollars_in_ident. - - * cpplib.h (struct cpp_reader): Replace void *data element by - cpp_options *opts. Rearrange elements to make gdb printout - less annoying (put buffer stack at end). - (CPP_OPTIONS): Get rid of now-unnecessary cast. - - * cppmain.c: s/data/opts/ when initializing cpp_reader - structure. - * c-decl.c: Likewise. - * objc/objc-act.c: Likewise. - * fix-header.c: Likewise. - -1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu> - - * cpplib.h (struct cpp_buffer): Replace dir and dlen members - with a struct file_name_list pointer. - (struct cpp_reader): Add pointer to chain of `actual - directory' include searchpath entries. - (struct file_name_list): Add *alloc pointer for the sake of - the actual-directory chain. - - Move definition of HOST_WIDE_INT here. - (cpp_parse_escape): Change prototype to match changes in - cppexp.c. - - * cppfiles.c (actual_directory): New function. - (finclude): Use it to initialize the buffer's actual_dir - entry. - (find_include_file): We don't need to fix up max_include_len - here. - - * cpplib.c (do_include): Don't allocate a file_name_list on - the fly for current directory "" includes, use the one that's - been preallocated in pfile->buffer->actual_dir. Hoist out - duplicate code from the search_start selection logic. - (cpp_reader_init): Initialize pfile->actual_dirs. - - Remove definition of HOST_WIDE_INT. Change calls - to cpp_parse_escape to match changes in cppexp.c (note - hardcoded MASK, which is safe since this is the source - character set). - - * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c - to handle wide character constants in #if directives. The - function now returns a HOST_WIDE_INT, and takes a third - argument which is a binary mask for all legal values (0x00ff - for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define - MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of - cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c] - -Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com> - - * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1. - -Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB. - * cppalloc.c: Move function `xcalloc' from cpplib.c to here. - * cpplib.c: Move function `xcalloc' from here to cppalloc.c. - -Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com> - - * final.c (output_asm_name): Use tabs to seperate comments from - assembly text. - - Include instruction lengths (if defined) in output. - -Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value - in the loop_info structure. - -Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com> - - * configure.in: (arm*-*-ecos-elf): New target. - * configure: Regenerated. - * config/arm/elf.h (ASM_WEAKEN_LABEL): Define. - * config/arm/ecos-elf.h: New file. - * config/arm/unknown-elf.h (TARGET_VERSION): Check - for redefinition. - -Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * sh.c (output_far_jump): Emit braf only for TARGET_SH2. - -Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * loop.c (check_dbra_loop): New argument loop_info. Update fields - as needed. - -Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br> - - * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger - compressed reports are ok and preferred over URLs - -Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br> - - * invoke.texi (Warning Options): Soften the tone of -pedantic - -Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org) - - * print-rtl.c (print_rtx): Add prototype. - - * unroll.c (iteration_info): Make it static. - -Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com> - - * alias.c (memrefs_conflict_p): A second ANDed address - disables the aligned address optimization. - -Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com> - - * alpha.c (alpha_emit_set_const_1): Fix parenthesis error - in -c << n case. - -Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com> - - * i960.h (BOOL_TYPE_SIZE): Define. - -Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality - from old valid_parallel_operands_4. - (valid_parallel_operands_4): Check that operands for 4 operand - parallel insns are valid, excluding load/store insns. - * config/c4x/c4x.h (valid_parallel_load_store): Add prototype. - * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use - valid_parallel_load_store instead of valid_parallel_operands_4. - (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber, - *negqf2_movqf_clobber, *absqi2_movqi_clobber, - *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber, - *notqi_movqi_clobber): Use valid_parallel_operands_4. - (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber, - *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber, - *subqi3_movqi_clobber): Use valid_parallel_operands_5. - -Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * config/c4x/c4x.c (iteration_info): Delete extern. - -Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality. - - * final.c (cleanup_subreg_operands): Delete some unused code. - - * recog.h (MAX_RECOG_ALTERNATIVES): New macro. - (struct insn_alternative): New structure definition. - (recog_op_alt): Declare variable. - (preprocess_constraints): Declare function. - * recog.c (recog_op_alt): New variable. - (extract_insn): Verify number of alternatives is in range. - (preprocess_constraints): New function. - * reg-stack.c: Include recog.h. - (constrain_asm_operands): Delete. - (get_asm_operand_lengths): Delete. - (get_asm_operand_n_inputs): New function. - (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and - N_OUTPUTS args. All callers changed. - Compute number of inputs and outputs here by calling - get_asm_operand_n_inputs. - Instead of constrain_asm_operands, call extract_insn, - constrain_operands and preprocess_constaints. Use information - computed by these functions throughout. - (record_reg_life): Delete code that is unused due to changes in - record_asm_reg_life. - (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS, - N_INPUTS and N_OUTPUTS args. All callers changed. - Similar changes as in record_asm_reg_life. - (subst_stack_regs): Move n_operands declaration into the if statement - where it's used. - Delete code that is unused due to changes in subst_asm_stack_regs. - * stmt.c (expand_asm_operands): Verify number of alternatives is in - range. - * Makefile.in (reg-stack.o): Depend on recog.h. - -Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com) - - * except.c (set_exception_version_code): Argument is an "int". - -Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com) - - * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now. - * configure: Rebuilt. - -Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com> - - * configure.in (mipsel-*-linux*): New target. - * mips/linux.h: New file, based on other Linux targets. - -Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com> - - * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook - runs in the context of the deleter, not the deletee, so we must - use taskVarGet to find the correct memory to free. - (__gthread_key_create): Initialize the task - variable subsystem so that the task variable is still active when - the delete hook is run. - -1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk> - - * pdp11.h: Use optimize_size for space optimizations. - * pdp11.c: Likewise. - * pdp11.md: Likewise. - - * pdp11.h (TARGET_40_PLUS): Fix typo. - -Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com) - - * local-alloc.c (block_alloc): Slightly retune heuristic to widen - qty lifetimes. - -Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * alias.c (addr_side_effect_eval): New function. - (memrefs_conflict_p): Use it. - * rtl.h (addr_side_effect_eval): Prototype it. - -1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk> - - * pdp11.md (extendsfdf2): Fix mode mismatch in SET. - -Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com> - - * reload.c (find_reloads): When force const to memory, put result - in substed_operand not *recog_operand_loc. - -1998-12-02 Ulrich Drepper <drepper@cygnus.com> - - * c-lex.c: Fix indentation from last patch. - Remove trailing whitespace. - * real.c: Likewise. - -Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com) - - * flow.c (delete_block): Call set_last_insn after we have reset - NEXT_INSN (kept_tail). - -Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com) - - * mips.md (trap_if): Use "$0" for the value zero. - -Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com> - Stephen L Moshier <moshier@world.std.com> - Richard Henderson <rth@cygnus.com> - - * c-common.c (declare_function_name): Declare predefinied variable - `__func__'. - - * c-decl.c (flag_isoc9x): Set to 1 by default. - (c_decode_option): Handle -std= option. Remove -flang-isoc9x. - (grokdeclarator): Always emit warning about implicit int for ISO C 9x. - - * c-parse.in: Allow constructors in ISO C 9x. - Rewrite designator list handling. - Allow [*] parameters. - Don't warn about comma at end of enum definition for ISO C 9x. - - * cccp.c (c9x): New variable. - (rest_extension): New variable. - (print_help): Document new -std= option. - (main): Recognize -std= option. Set c9x appropriately. - (create_definition): Recognize ISO C 9x vararg macros. - - * gcc.c (default_compilers): Adjust specs for -std options. - (option_map): Add --std. - (display_help): Document -std. - - * toplev.c (documented_lang_options): Add -std and remove - -flang-isoc9x. - - * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF - or REAL_VALUE_HTOF based on base of the constants. - * fold-const.c (real_hex_to_f): New function. Replacement function - for hex FP conversion if REAL_ARITHMETIC is not defined. - * real.c (asctoeg): Add handling of hex FP constants. - * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or - real_hex_to_f. - -Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com> - - * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add - -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro - expansion. Use hi/lo as destination register. - (div_trap): New. - (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*, - umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking. - Avoid as macro expansion. Use hi/lo as destination register. - - * mips.h (MASK_CHECK_RANGE_DIV): New. - (MASK_NO_CHECK_ZERO_DIV): New. - (ELIMINABLE_REGS): Added GP_REG_FIRST + 31. - (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting - return address for leaf functions out of r31 to support - builtin_return_address. - -Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> - - * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x), - NEXT_INSN(x) to check insn x. - -Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com) - - * flow.c (delete_block): Call set_last_insn if we end up deleting the - last insn in the rtl chain. - - * reload1.c (reload): Do not set reload_completed or split insns - here. Instead... - * toplev.c (rest_of_compilation): Set reload_completed after - reload returns. Split insns after reload_cse has run. - -Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com> - - * final.c (final_scan_insn): Abort if block_depth falls below 0. - -Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com> - - * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc. - -Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com> - - * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove - use of user-label_prefix. - -Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * reload1.c (emit_reload_insns): Clear spill_reg_store - when doing a new non-inherited reload from the same pseudo. - - * local-alloc.c (function_invariant_p): New function. - (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P - to decide if an equivalence should be recorded. - * reload1.c (num_eliminable_invariants): New static variable. - (reload): Set it. Use function_invariant_p instead of CONSTANT_P - to decide if an equivalence should be recorded. - Unshare PLUS. - (calculate_needs_all_insns): Skip insns that only set an equivalence. - Take num_eliminable_invariants into account when deciding - if register elimination should be done. - (reload_as_needed): Take num_eliminable_invariants into account - when deciding if register elimination should be done. - (eliminate_regs): Handle non-constant reg_equiv_constant. - * rtl.h (function_invariant_p): Declare. - -Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com> - - * except.c (add_new_handler): Complain about additional handlers - after one that catches everything. - -Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com) - - * configure.in (alpha*-*-netbsd): Fix typo. - * configure: Rebuilt. - -Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * system.h: Include libiberty.h. - - * c-aux-info.c: Remove prototypes for concat/concat3. Change - function `concat' from fixed parameters to variable parameters, - as is done in libiberty. All callers of concat/concat3 - changed to use the new `concat' with variable args. - - * cccp.c: Remove things made redundant by libiberty.h and/or - conform to libiberty standards. - * cexp.y: Likewise. - * collect2.c: Likewise. - * config/1750a/1750a.h: Likewise. - * cppalloc.c: Likewise. - * cppexp.c: Likewise. - * cppfiles.c: Likewise. - * cpphash.c: Likewise. - * cpplib.c: Likewise. - * dyn-string.c: Likewise. - * fix-header.c: Likewise. - * gcc.c: Likewise. - * gcov.c: Likewise. - * genattr.c: Likewise. - * genattrtab.c: Likewise. - * gencheck.c: Likewise. - * gencodes.c: Likewise. - * genconfig.c: Likewise. - * genemit.c: Likewise. - * genextract.c: Likewise. - * genflags.c: Likewise. - * gengenrtl.c: Likewise. - * genopinit.c: Likewise. - * genoutput.c: Likewise. - * genpeep.c: Likewise. - * genrecog.c: Likewise. - * getpwd.c: Likewise. - * halfpic.c: Likewise. - * hash.c: Likewise. - * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes - in NEED_DECLARATION_* macros. - - * mips-tfile.c: Remove things made redundant by libiberty.h and/or - conform to libiberty standards. - (fatal): Fix const-ification of variable `format' in - !ANSI_PROTOTYPES case. - - * prefix.c: Remove things made redundant by libiberty.h and/or - conform to libiberty standards. - - * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid - conflicting with function `spaces' from libiberty. - - * profile.c: Remove things made redundant by libiberty.h and/or - conform to libiberty standards. - * protoize.c: Likewise. - * rtl.h: Likewise. - * scan.h: Likewise. - * tlink.c: Likewise. - * toplev.c: Likewise. - * toplev.h: Likewise. - * tree.h: Likewise. - -Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition. - -Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * README.C4X: Updated URLs. - * config/c4x/c4x.c (c4x_address_conflict): Fix typo. - (valid_parallel_operands_5): Remove unused variable. - -Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo. - -1998-11-26 Manfred Hollstein <manfred@s-direktnet.de> - - * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages - which can be configured. - (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@ - (Makefile): Pass actual LANGUAGES through the environment when - re-configuring. - (cstamp-h): Likewise. - (config.status): Likewise. - - * configure.in (enable_languages): Add new configuration parameter - "--enable-languages=lang1,lang2,...". - (${srcdir}/*/config-lang.in): Change handling to configure only - those directories, that the user might have enabled; default to - "all" existing languages. - * configure: Regenerate. - -Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com> - - * rtlanal.c (regs_set_between_p): New function. - * rtl.h (regs_set_between_p): Prototype it. - * jump.c (jump_optimize): Use it instead of modified_between_p - in the Sep 2 change. - -Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au> - Matthias Pfaller <leo@dachau.marco.de> - - * invoke.texi (Option Summary, NS32K Options): add description - of NS32K specific options. - - * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2, - fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2, - fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3, - negdf2, absdf2): Use l instead of f since the double class and - float class are no longer the same. - (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3, - divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2, - ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...): - use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been - fixed. - (cmpsi, cmphi, cmpqi): use general_operand instead of - non_immediate_operand. Removes erroneous assumption that can't - compare constants. - (movsf, movsi, movhi, movqi,...): New register numbering scheme. - (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded - constants. - (movstrsi, movstrsi1, movstrsi2): completely new block move - scheme. - (...): Patterns to exploit multiply-add instructions. - (udivmodsi4, udivmodsi_internal4, udivmodhi4, - udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new - patterns to exploit extended divide insns. - (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi - etc patterns. - - * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex - float return values as well as simple scalar floats. - (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES): - support new flag to denote 32381 fpu. - (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081. - (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not - compling for 32381. - (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS, - REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES, - REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM, - L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM, - LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES, - REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS, - REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE, - REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P, - REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381 - fpu registers and special register classes for new 32381 - instructions dotf and polyf. - (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to - be tieable. - (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX, - INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is - required. - (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option. - (MOVE_RATIO): Set to zero because of smart movstrsi implimentation. - (REGISTER_MOVE_COST): move code to register_move_cost function for - ease of coding and debugging. - (CLASS_LIKELY_SPILLED_P): Under new register scheme class - LONG_FLOAT_REGO is likely spilled but not caught by default - definition. - (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro - instead of hard coded numbers in range check. - (ASM_OUTPUT_LABELREF_AS_INT): delete since unused. - (...): Add prototypes for functions in ns32k.c but disable because - of problems when ns32k.h is included in machine independant files. - - * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h". - (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names, - hard_regno_mode_ok, secondary_reload_class, - print_operand, print_operand_address): new register scheme to - include 32381 fpu registers and special register classes for new - 32381 instructions dotf and polyf. - (gen_indexed_expr): Make static to keep namespace clean. - (check_reg): remove since never called. - (move_tail, expand_block_move): helper functions for "movstrsi" - block move insn. - (register_move_cost): Helper function for REGISTER_MOVE_COST macro. - Increase cost of moves which go via memory. - * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag. - (CPP_PREDEFINES): nolonger predefine "unix". - - * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...): - Remove erroneous %$. print_operand() can work out from the rtx is - an immediate prefix is required. - - * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE, - VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES, - SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling - convention. - (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of - pic operands. - - * ns32k.c (symbolic_reference_mentioned_p, print_operand): - Correct handling of pic operands. - (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p, - ns32k_comp_type_attributes, ns32k_return_pops_args): Support for - -mrtd calling convention. - -Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com> - - * gcc.c (option_map): Recognize --output-class-directory. - -Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * loop.h (precondition_loop_p): Added new mode argument. - * unroll.c (precondition_loop_p): Likewise. - (approx_final_value): Function deleted and subsumed - into loop_iterations. - (loop_find_equiv_value): New function. - (loop_iterations): Use loop_find_equiv_value to find increments - too large to be immediate constants. Also use it to find terms - common to initial and final iteration values that can be removed. - -Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * loop.h (struct loop_info): Define new structure. - (precondition_loop_p): Added prototype. - (unroll_loop): Added new argument loop_info to prototype. - (final_biv_value, final_giv_value): Added new argument n_iterations - to prototype. - * loop.c (strength_reduce): Declare new structure loop_iteration_info - and new pointer loop_info. - (loop_n_iterations): Replace global variable by element in - loop_info structure. - (check_final_value): New argument n_iterations. - (insert_bct): New argument loop_info. - (loop_unroll_factor): Replace global array by element in - loop_info structure. - (loop_optimize): Remove code to allocate and initialise - loop_unroll_factor_array. - * unroll.c (precondition_loop_p): No longer static since - used by branch on count optimization. - (precondition_loop_p, unroll_loop): New argument loop_info. - (final_biv_value, final_giv_value, find_splittable_regs): New - argument n_iterations. - (loop_iteration_var, loop_initial_value, loop_increment, - loop_final_value, loop_comparison_code, loop_unroll_factor): - Replaced global variables by loop_info structure. - (loop_unroll_factor): Replace global array by element in - loop_info structure. - -Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn - when loop reversed. - - * unroll.c (precondition_loop_p): Return loop_initial_value - for initial_value instead of loop_iteration_var. - -Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * config/c4x/c4x.md: Fix minor formatting problems. Update docs. - (*b, *b_rev, *b_noov, *b_noov_rev, *db, - decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch - to output the instruction sequences. - (rpts): Delete. - (rptb_top): Provide alternatives to use any register or memory - for loop counter. - (rptb_end): Emit use of operands rather than assigning them - explicitly to the RS and RE registers. - -Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p, - c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p, - c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg, - c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after, - c4x_merge_notes, c4x_parallel_process, - c4x_combine_parallel_independent, c4x_combine_parallel_dependent, - c4x_combine_parallel): Delete. - -Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * config/c4x/c4x.c: (c4x_override_options): For compatibility - with old target options clear flag_branch_on_count_reg if - -mno-rptb specified and set flag_argument_alias is -mno-aliases - specified. - (c4x_output_cbranch): Handle a sequence of insns rather than a - single insn. - (c4x_rptb_insert): Do not emit a RPTB insn if the RC register - has not been allocated as the loop counter. - (c4x_address_conflict): Do not allow two volatile memory references. - (valid_parallel_operands_4, valid_parallel_operands_5, - valid_parallel_operands_6): Reject pattern if the register destination - of the first set is used as part of an address in the second set. - -Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG. - (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES - is no longer enabled if PARALLEL_MPY_FLAG set. - (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity. - (REG_CLASS_CONTENTS): Add braces around initializers. - (HAVE_MULTIPLE_PACK): Define. - (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with - REAL_VALUE_TO_DECIMAL. - (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with - REAL_VALUE_TO_DECIMAL. - (ar0_reg_operand): Add prototype. - (ar0_mem_operand): Likewise. - (ar1_reg_operand): Likewise. - (ar1_mem_operand): Likewise. - (ar2_reg_operand): Likewise. - (ar2_mem_operand): Likewise. - (ar3_reg_operand): Likewise. - (ar3_mem_operand): Likewise. - (ar4_reg_operand): Likewise. - (ar4_mem_operand): Likewise. - (ar5_reg_operand): Likewise. - (ar5_mem_operand): Likewise. - (ar6_reg_operand): Likewise. - (ar6_mem_operand): Likewise. - (ar7_reg_operand): Likewise. - (ar7_mem_operand): Likewise. - (ir0_reg_operand): Likewise. - (ir0_mem_operand): Likewise. - (ir1_reg_operand): Likewise. - (ir1_mem_operand): Likewise. - (group1_reg_operand): Likewise. - (group1_mem_operand): Likewise. - (ir1_reg_operand): Likewise. - (arx_reg_operand): Likewise. - (not_rc_reg): Likewise. - (not_modify_reg): Likewise. - (c4x_group1_reg_operand): Remove prototype. - (c4x_group1_mem_operand): Likewise. - (c4x_arx_reg_operand): Likewise. - -Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com> - - * emit-rtl.c (gen_lowpart_common): Remove earlier change. - * real.c (make_nan): Make SIGN arg actually specify the sign bit. - -Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern - during reload. - -Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1 - unless FMOVD_WORKS is defined. - -Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * regclass.c (init_reg_sets): Move code that calculates tables - dependent on reg_class_contents from here... - (init_reg_sets_1): To here. - -Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu> - - * cpplib.h: Delete struct import_file. Add ihash element to - struct cpp_buffer. Delete dont_repeat_files and - import_hash_table elements from cpp_reader; change - all_include_files to a hash table. Delete all foobar_include - / last_foobar_include elements from struct cpp_options; put - back four such: quote_include, bracket_include, - system_include, after_include. Redo struct file_name_list - completely. Add new structure type include_hash. Add - prototypes for merge_include_chains and include_hash. Change - prototypes for finclude, find_include_file, and - append_include_chain to match changes below. - - * cppfiles.c (simplify_pathname, include_hash, - remap_filename, merge_include_chains): New functions. - (add_import, lookup_import, open_include_file): Removed. - (INO_T_EQ): Define this (copied from cccp.c). - (hack_vms_include_specification): Remove all calls and #if 0 - out the definition. It was being called incorrectly and at - the wrong times. Until a VMSie can look at this, it's better - to not pretend to support it. - (append_include_chain): Change calling convention; now takes - only one directory at a time, and sets up the data structure - itself. - (redundant_include_p): Rewritten - this is now used for all - include redundancy, whether by #ifndef, #import, or #pragma - once. Looks up things in the include hash table. - (file_cleanup): Decrement pfile->system_include_depth here if - it's >0. - (find_include_file): Calling convention changed; now passes - around a struct include_hash instead of 3 separate parameters. - Guts ripped out and replaced with new include_hash mechanism. - (finclude): Calling convention changed as for - find_include_file. Error exits pulled out-of-line. Reformat. - (safe_read): Return a long, not an int. - (deps_output): Don't recurse. - - * cpplib.c (is_system_include): Deleted. - (path_include): Fix up call to append_include_chain. - (do_include): Fix up calls to find_include_file and finclude. - Clean up dependency output a bit. Shorten obnoxiously lengthy - #import warning message. Don't decrement - pfile->system_include_depth here. - (do_pragma): Understand the include_hash structure. Reformat. - (do_endif): Correct handling of control macros. Understand - the include_hash. - (cpp_start_read): Fix up calls to finclude. Call - merge_include_chains. - (cpp_handle_option): Fix up calls to append_include_chain. - Understand the four partial include chains. - (cpp_finish): Add debugging code (#if 0-ed out) for the - include_hash. - (cpp_cleanup): Free the include_hash, not the import hash and - the all_include and dont_repeat lists which no longer exist. - -Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com) - - * toplev.c (no_new_pseudos): Define. - (rest_of_compilation): Set no_new_pseudos as needed. - * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo - if no_new_pseudos is set. - * rtl.h (no_new_pseudos): Declare it. - * reload1.c (reload): Update comments. - * md.texi: Corresponding changes. - -Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo. - (choose_reload_regs): Rename it here as well. When computing it, - also merge in used hardregs. - -1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu> - - * gcc.c: Split out Objective-C specs to... - * objc/lang-specs.h: here. (New file.) Make the specs cpplib - aware. - - * c-lex.c (init_parse): Always initialize the filename global. - * objc/objc-act.c (lang_init): Always call check_newline at - beginning of file. - -Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk> - - * reload1.c (reload): Remove unused variable. - (reload_reg_free_for_value_p): Add missing parameter definition. - - * jump.c (jump_optimize): Remove unused variable. - -Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com) - - * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h. - - * cse.c (fold_rtx): Make autoincrement addressing mode tests be - runtime selectable. - * expr.c (move_by_pieces): Similarly. - (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly. - * flow.c (find_auto_inc): Similarly. - (try_pre_increment): Similarly. - * loop.c (strength_reduce): Similarly. - * regclass.c (auto_inc_dec_reg_p): Similarly. - * regmove.c (try_auto_increment): Similarly. - (fixup_match_1): Similarly. - * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined. - (HAVE_PRE_DECREMENT): Similarly. - (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly. - * Corresponding changes to all target header files. - * tm.texi: Update docs for autoinc addressing modes. - -Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com> - - * configure.in (m68020-*-elf*, m68k-*-elf*): New targets. - * configure: Rebuild. - * config/elfos.h: New file. - * config/m68k/m68020-elf.h, config/m68k/m68kelf.h, - config/m68k/t-m68kelf: New file. - -Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com) - - * Makefile.in (HOST_AR): Define. - (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly. - (libcpp.a): Use the host tools explicitly. - (STAGESTUFF): Add libcpp.a. - -Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com> - - * config/m32r/m32r.md (movstrsi_internal): Describe changes made - to source and destination registers. - -Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com> - - * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe. - The strategy we now use is to pre allocate the top_elt along - with the EH context so that each thread has its own top_elt. - This is necessary as the dynmanic cleanup chain is used on the - top element of the stack and each thread MUST have its own. - (eh_context_static): Likewise. - (new_eh_context): Likewise. - (__sjthrow): Likewise. - -Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com> - - * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while. - * i386.md (prologue_get_pc): Remove unused variable. - -Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com> - - * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_. - -Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com> - - * Makefile.in (OBJS): Add graph.o - (graph.o): New dependency list. - * flags.h: Declare dump_for_graph and define graph_dump_types type. - * print-rtl.c (dump_for_graph): Define new variable. - (print_rtx): Rewrite to allow use in graph dumping functions. - * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file, - finish_graph_dump_file. - Define graph_dump_format. - (compile_file): If graph dumping is enabled also clear these files. - Finish graph dump files. - (rest_of_compilation): Also dump graph information if enabled. - (main): Recognize -dv to enabled VCG based graph dumping. - * graph.c: New file. Graph dumping functions. - -Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com> - - * configure.in: Look for <sys/stat.h>. - * system.h: Include it before substitute S_ISREG definitions. - -Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com> - - * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage. - * config/mips/iris6.h: Same. - * config/mips/mips.md: Same. - * config/mips/mips.c: Same; also add "-mabi=o64" option. - * config/mips/mips.h: Same; also define ABI_O64. - -Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * configure.in: Use AC_PREREQ(2.12.1). - -Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca> - - * cccp.c (S_ISREG, S_ISDIR): Delete defines. - * cpplib.c, gcc.c: Likewise. - * system.h (S_ISREG, S_ISDIR): Define if not already defined. - -Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com> - - * local-alloc.c (local_alloc): Use malloc not alloca for - reg_qty, reg_offset, ref_next_in_qty. - -Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * caller-save.c (insert_one_insn): Initialize the live_before and - live_after register sets. - - Add SH4 support: - - * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define. - (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define. - * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS. - (fp_reg_names, assembler_dialect): New variables. - (print_operand_address): Handle SUBREGs. - (print_operand): Added 'o' case. - Don't use adj_offsettable_operand on PRE_DEC / POST_INC. - Name of FP registers depends on mode. - (expand_block_move): Emit different code for SH4 hardware. - (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate. - (from_compare): Likewise. - (add_constant): New argument last_value. Changed all callers. - (find_barrier): Don't try HImode load for FPUL_REG. - (machine_dependent_reorg): Likewise. - (sfunc_uses_reg): A CLOBBER cannot be the address register use. - (gen_far_branch): Emit a barrier after the new jump. - (barrier_align): Don't trust instruction lengths before - fixing up pcloads. - (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG. - Use auto-inc addressing for fp registers if doubles need to - be loaded in two steps. - Set sh_flag_remove_dead_before_cse. - (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul. - (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul. - (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR. - Support for FIRST_XD_REG .. LAST_XD_REG. - (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG. - (sh_expand_epilogue): Likewise. - (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4. - (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account. - (arith_reg_operand): FPUL_REG is OK for SH4. - (fp_arith_reg_operand, fp_extended_operand) New functions. - (tertiary_reload_operand, fpscr_operand): Likewise. - (commutative_float_operator, noncommutative_float_operator): Likewise. - (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise. - (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise. - (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise. - (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise. - * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only. - (CONDITIONAL_REGISTER_USAGE): Likewise. - (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define. - (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define. - (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define. - (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd. - (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer - to -1 and sh_flag_remove_dead_before_cse to 1. - (ASSEMBLER_DIALECT): Define to assembler_dialect. - (assembler_dialect, fp_reg_names): Declare. - (OVERRIDE_OPTIONS): Add code for TARGET_SH4. - Hide names of registers that are not accessible. - (CACHE_LOG): Take TARGET_CACHE32 into account. - (LOOP_ALIGN): Take TARGET_HARWARD into account. - (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define. - (FIRST_PSEUDO_REGISTER: Now 49. - (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers. - (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG. - (HARD_REGNO_MODE_OK): Update. - (enum reg_class): Add DF_REGS and FPSCR_REGS. - (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise. - (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update. - (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define. - (NPARM_REGS): Eight floating point parameter registers on SH4. - (BASE_RETURN_VALUE_REG): SH4 also passes double values - in floating point registers. - (GET_SH_ARG_CLASS) Likewise. - Complex float types are also returned in float registers. - (BASE_ARG_REG): Complex float types are also passes in float registers. - (FUNCTION_VALUE): Change mode like PROMOTE_MODE does. - (LIBCALL_VALUE): Remove trailing semicolon. - (ROUND_REG): Round when double precision value is passed in floating - point register(s). - (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are - passed on the stack. - (FUNCTION_ARG): Little endian adjustment for SH4 SFmode. - (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4. - (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account. - (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD. - (MODE_DISP_OK_8): Not for SH4 DFmode. - (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode. - Allow indexed addressing for PSImode after reload. - (LEGITIMIZE_ADDRESS): Not for SH4 DFmode. - (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode. - Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS. - (DOUBLE_TYPE_SIZE): 64 for SH4. - (RTX_COSTS): Add PLUS case. - Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case. - (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS, - MAC_REGS, PR_REGS, DF_REGS. - (REGISTER_NAMES): Use fp_reg_names. - (enum processor_type): Add PROCESSOR_SH4. - (sh_flag_remove_dead_before_cse): Declare. - (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare. - (PREDICATE_CODES): Add binary_float_operator, - commutative_float_operator, fp_arith_reg_operand, fp_extended_operand, - fpscr_operand, noncommutative_float_operator. - (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR. - (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4. - * sh.md (attribute cpu): Add value sh4. - (attrbutes fmovd, issues): Define. - (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv. - (function units memory, int, mpy, fp): Make dependent on issue rate. - (function units issue, single_issue, load_si, load): Define. - (function units load_store, fdiv, gp_fpul): Define. - (attribute hit_stack): Provide proper default. - (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4. - (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns. - (udivsi3, divsi3): Emit special patterns for SH4 hardware, - (mulsi3_call): Now uses match_operand for function address. - (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL / - REG_RETVAL notes. - (push, pop, push_e, pop_e): Now define_expands. - (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders. - (movsi_ie): Added y/i alternative. - (ic_invalidate_line_i, movdf_i4): New insns. - (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters. - (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders. - (movdf): Add special code for SH4. - (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible. - (call_valuei, calli, call_value): Likewise. - (movsf): Emit no-op move. - (mov_nop, movsi_y): New insns. - (blt, sge): generalize to handle DFmode. - (return predicate): Call emit_fpscr_use and remove_dead_before_cse. - (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4. - (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns. - (fpu_switch0, fpu_switch1, movpsi): New expanders. - (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters. - (toggle_sz): New insn. - (addsf3, subsf3, mulsf3, divsf3): Now define_expands. - (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns. - (macsf3): Make use of fpscr visible. Disable for SH4. - (floatsisf2): Make use of fpscr visible. - (floatsisf2_i4): New insn. - (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4. - (ieee_ccmpeqsf_t): Likewise. - (fix_truncsfsi2): Emit different code for SH4. - (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns. - (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns. - (negsf2, sqrtsf2, abssf2): Now expanders. - (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders. - (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns. - (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns. - (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders. - (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns. - (fix_truncdfsi2_i4_2+1): New splitters. - (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns. - (extendsfdf2, truncdfsf2): New expanders. - (truncdfsf2_i4): New insn. - * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4. - (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4. - * float-sh.h: When testing for __SH3E__, also test for - __SH4_SINGLE_ONLY__ . - * va-sh.h (__va_freg): Define to float. - (__va_greg, __fa_freg, __gnuc_va_list, va_start): - Define for __SH4_SINGLE_ONLY__ like for __SH3E__ . - (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise. - (__PASS_AS_FLOAT): Use different definition for __SH4__ and - __SH4_SINGLE__. - (TARGET_SH4_P): Define. - (va_arg): Use it. - - * sh.md (movdf_k, movsf_i): Tweak the condition so that - init_expr_once is satisfied about the existence of load / store insns. - - * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie): - change m constraint in source operand to mr / mf . - - * va-sh.h (__va_arg_sh1): Use __asm instead of asm. - - * (__VA_REEF): Define. - (__va_arg_sh1): Use it. - - * va-sh.h (va_start, va_arg, va_copy): Add parenteses. - -Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com) - - * i386/dgux.c (struct option): Add new "description field". - * m88k/m88k.c (struct option): Likewise. - -Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * regmove.c (regmove_profitable_p): Use return value of find_matches - properly. - -Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com) - - * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called - without reload having been called earlier. - - * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP - addressing modes. - (v850_reorg): Similarly. - - * loop.c (check_dbra_loop): Avoid using gen_add2_insn. - -Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * loop.c (move_movables): Start of libcall might be new loop start. - -Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS(). - -Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * function.c (nonlocal_goto_handler_slots): Renamed from - nonlocal_goto_handler_slot; now an EXPR_LIST chain. - (push_function_context_to): Adjust for this change. - (pop_function_context_from): Likewise. - (init_function_start): Likewise. - (expand_function_end): Likewise. - * function.h (struct function): Likewise. - * calls.c (expand_call): Likewise. - * explow.c (allocate_dynamic_stack_space): Likewise. - * expr.h (nonlocal_goto_handler_slots): Rename its declaration. - * stmt.c (declare_nonlocal_label): Make a new handler slot for each - label. - (expand_goto): When doing a nonlocal goto, find corresponding handler - slot for it. Don't put the label address in the static chain register. - (expand_end_bindings): Break out nonlocal goto handling code into - three new functions. - (expand_nl_handler_label, expand_nl_goto_receiver, - expand_nl_goto_receivers): New static functions, broken out of - expand_end_bindings and adapted to create one handler per nonlocal - label. - * function.c (delete_handlers): Delete insn if it references any of - the nonlocal goto handler slots. - * i960.md (nonlocal_goto): Comment out code that modifies - static_chain_rtx. - * sparc.md (nonlocal_goto): Likewise. - (goto_handler_and_restore_v9): Comment out. - (goto_handler_and_restore_v9_sp64): Comment out. - -Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * expr.c (STACK_BYTES): Delete unused macro. - * calls.c: Provide default for PREFERRED_STACK_BOUNDARY. - (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY. - (expand_call): Likewise. - (emit_library_call): Likewise. - (emit_library_call_value): Likewise. - * function.c: Provide default for PREFERRED_STACK_BOUNDARY. - (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY. - * explow.c: Provide default for PREFERRED_STACK_BOUNDARY. - (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY. - (allocate_dynamic_stack_space): Likewise. - * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro. - (STACK_BOUNDARY): Update description to reflect the new situation. - -Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com) - - * reorg.c (relax_delay_slots): When optimizing for code size, if a - return with a filled delay slot is followed by a return with an - unfilled delay slot, delete the first return and reemit the insn - that was previously in its delay slot. - - * i860.c (single_insn_src_p): Add missing parens. - * ginclude/math-3300.h: Likewise. - -Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org) - - * regclass.c (init_reg_sets_1): Add prototype. - (init_reg_modes): Likewise. - -1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu> - - * c-common.c: Change warning messages to say `comparison is - always true' or `comparison is always false' instead of the - confusing `is always 0', `is always 1'. - -Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com> - - * print-tree.c (print_node): After printing BLOCK or BIND_EXPR, - break instead of return (which loses closing '>'). - -Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com) - - * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not - standard 387 constants. - - * i386.md (jump): Explicitly set "memory" attribute. - (indirect_jump, prologue_set_stack_ptr): Likewise. - (prologue_get_pc_and_set_got, pop): Likewise. - (allocate_stack_worder, blockage, return_internal): Likewise. - (return_pop_internal, nop): Likewise. - (epilogue_set_stack_ptr, leave): Likewise. - -Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com> - - * config/arm/coff.h: Set USER_LABEL_PREFIX to "_". - -Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * reload1.c (reload_reg_free_for_value_p): - Early auto_inc reloads don't conflict with outputs. - -Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h). - Instead call AC_HEADER_SYS_WAIT. - - * collect2.c: Don't provide defaults for sys/wait.h macros. - * gcc.c: Likewise. - * protoize.c: Likewise. Also, don't include sys/wait.h. - - * system.h: Include sys/wait.h and provide macro defaults. - -1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> - - * Makefile.in (mandir): Set to @mandir@. - (man1dir): New variable to hold the former value of $(mandir). - Replace all uses of $(mandir) by $(man1dir). - -Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com> - - * reload.c (find_reloads_address_part): If have a CONST_INT, create - a new one before passing it to force_const_mem. - - * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in - find_reloads_address call. - -Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * expr.c (store_expr): Don't generate load-store pair - if TEMP is identical (according to ==) with TARGET. - -Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * reload1.c (reload_reg_free_for_value_p): When considered reload - has an output, matching inputs are not sufficient to avoid conflict. - -Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com> - - * hash.h (hash_table_key): New type. - (hash_entry): Change `string' field to generic `key'. - (hash_table): Add `comp' and `hash' functions. - (hash_table_init): Take them as input. - (hash_table_init_n): Likewise. - (hash_lookup): Modify for generic keys. - (hash_newfunc): Likewise. - (hash_traverse): Likewise. - (string_hash): New function. - (string_compare): Likewise. - (string_copy): Likewise. - * hash.c (hash_table_init_n): Modify for generic keys. - (hash_table_init): Likewise. - (hash_lookup): Likewise. - (hash_newfunc): Likewise. - (hash_traverse): Likewise. - (string_hash): Split out from hash_lookup. - (string_compare): New function. - (string_copy): Split out from hash_lookup. - * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash - tables. - (symbol_hash_lookup): Likewise. - (file_hash_newfunc): Likewise. - (file_hash_lookup): Likewise. - (demangled_hash_newfunc): Likewise. - (demangled_hash_lookup): Likewise. - (tlink_int): Likewise. - (read_repo_file): Likewise. - (recompile_files): Likewise. - (demangle_new_symbols): Likewise. - (scan_linker_output): Likewise. - -Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * flow.c (insn_dead_p): New argument NOTES. Changed all callers. - -Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu> - - * rs6000.c (output_mi_thunk): Improve test for local branch. - -Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> - - * rs6000.c (output_mi_thunk): Correct test for aggregate values. - -Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * reload1.c (reload_reg_free_before_p): Delete. - Changed all callers to use reload_reg_free_for_value_p instead. - (reload_reg_free_for_value_p): Handle more reload types. - A RELOAD_FOR_INPUT doesn't conflict with its - RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS. - Add special case for OUT == const0_rtx. - Added ignore_address_reloads argument. Changed all callers. - -Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com> - - * toplev.c (compile_file): Don't pedwarn about undefined static - functions just because we passed -Wunused. - -Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * function.c (purge_addressof_1): Unshare rtl created by - store_bit_field. - -Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * regmove.c (regmove_optimize): Don't do anything but - optimize_reg_copy[123] when flag_regmove is not set. - -Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com> - - * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode - value in paradoxical SImode result, rather than truncating midpoint. - -Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com> - - * alpha.c (reg_not_elim_operand): New. - * alpha.h (PREDICATE_CODES): Add it. - * alpha.md (s48addq, s48subq patterns): Use it as the predicate - for the multiplicand. - -Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu> - - * rs6000.md (movsf): Remove explicit secondary-reload-like - functionality. Only truncate SFmode store if in FPR. - (movsf splitters): Combine const_double splitters. - (movsf_hardfloat): Add GPR support. - -Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com> - - * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to - deprecate -mlive-g0 and -mbroken-saverestore. - * t-splet (MULTILIB_OPTIONS): Likewise. - - * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size - in a leaf function. Clarify total_size/extra_size relationship. - -Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com> - - * i386/cygwin32.asm: Delete. - * i386/cygwin.asm: New file, renamed from cygwin32.asm. - * i386/cygwin32.h: Delete. - * i386/cygwin.h: New file, renamed from cygwin32.h. - * i386/t-cygwin32: Delete. - * i386/t-cygwin: New file, renamed from t-cygwin32. Include - cygwin.asm instead of cygwin32.asm. Remove "32" from comment. - * i386/x-cygwin32: Delete. - * i386/x-cygwin: New file, renamed from x-cygwin32. - * i386/xm-cygwin32: Delete. - * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly - renamed cygwin_ funcs for path translations. - * i386/win32.h: Define __CYGWIN__ when -mcygwin given. - * i386/winnt.c: Remove "32" from comment about cygwin. - * i386/mingw32.h: Fix references to cygwin32.h in light of above. - * rs6000/cygwin32.h: Delete. - * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add - -D__CYGWIN__ to CPP_PREDEFINES. - * rs6000/x-cygwin32: Delete. - * rs6000/x-cygwin: New file, renamed from x-cygwin32. - * rs6000/xm-cygwin32: Delete. - * rs6000/xm-cygwin: New file, renamed from xm-cygwin32. - - * configure.in: Check for cygwin* instead of cygwin32. Account - for the rename of cygwin-related config files to lose the "32"s. - * configure: Regenerate. - - * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c, - toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__. - -Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com> - - * Makefile.in (JAVAGC): New macro. - * configure: Rebuilt. - * configure.in: Recognize --enable-java-gc argument. Subst - `JAVAGC' variable. - -Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - Handle equivalences that have been obscured by gcse: - - * reload1.c (reload): Handle equivalences set up in multiple places. - * local-alloc.c (reg_equiv_init_insns): New variable. - (no_equiv): New function. - (update_equiv_regs): Handle equivalences set up in multiple places. - Don't ignore an insn just because its destination is likely to be - spilled. - -Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com> - - * except.c (expand_eh_return): Readd force_operand call lost in - Sept 15 change. - -Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu> - - * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case. - -1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> - - * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H. - -Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * regmove.c (regmove_optimize): Fix error in last change. - -Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * mips.c (function_prologue): When TARGET_MIPS16, adjust the register - offset in the .mask pseudo to compensate for frame pointer adjustments. - (mips16_fp_args, build_mips16_call_stub): For little endian, do not - word swap arguments moved to/from FP registers. - * mips16.S (DFREVCMP): Reverse arguments to OPCODE. - -Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com) - - * reload1.c (delete_output_reload_insn): If a pseudo is set multiple - times, then it can not be completely replaced. - -Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com> - - * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length. - -Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * gansidecl.h: Prepend a "G" to the macro wrapping this file - (to distinguish it from the macro wrapping ansidecl.h.) - Include libiberty's ansidecl.h. Remove all redundant definitions. - Define the PROTO() style macros in terms of the PARAMS() ones. - - - * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not - __STDC__, when deciding whether to use ANSI variable args. - (emit_library_call_value): Likewise. - - * cccp.c (error): Likewise. - (warning): Likewise. - (error_with_line): Likewise. - (warning_with_line): Likewise. - (pedwarn): Likewise. - (pedwarn_with_line): Likewise. - (pedwarn_with_file_and_line): Likewise. - (fatal): Likewise. - - * cexp.y (error): Likewise. - (pedwarn): Likewise. - (warning): Likewise. - - * collect2.c (fatal_perror): Likewise. - (fatal): Likewise. - (error): Likewise. - - * combine.c (gen_rtx_combine): Likewise. - - * cpperror.c (cpp_message): Likewise. - (cpp_fatal): Likewise. - - * cpplib.c (cpp_error): Likewise. - (cpp_warning): Likewise. - (cpp_pedwarn): Likewise. - (cpp_error_with_line): Likewise. - (cpp_warning_with_line): Likewise. - (cpp_pedwarn_with_line): Likewise. - (cpp_pedwarn_with_file_and_line): Likewise. - - * cpplib.h: Don't define PARAMS() macro. - - * demangle.h: Likewise. - - * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__, - when deciding whether to use ANSI variable args. - - * emit-rtl.c (gen_rtx): Likewise. - (gen_rtvec): Likewise. - - * final.c (asm_fprintf): Likewise. - - * fix-header.c (cpp_message): Likewise. - (fatal): Likewise. - (cpp_fatal): Likewise. - - * gcc.c (concat): Likewise. - (fatal): Likewise. - (error): Likewise. - - * genattr.c (fatal): Likewise. - - * genattrtab.c (attr_rtx): Likewise. - (attr_printf): Likewise. - (fatal): Likewise. - - * gencodes.c (fatal): Likewise. - - * genconfig.c (fatal): Likewise. - - * genemit.c (fatal): Likewise. - - * genextract.c (fatal): Likewise. - - * genflags.c (fatal): Likewise. - - * genopinit.c (fatal): Likewise. - - * genoutput.c (fatal): Likewise. - (error): Likewise. - - * genpeep.c (fatal): Likewise. - - * genrecog.c (fatal): Likewise. - - * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when - deciding whether to declare `tree_node' and `rtx_def'. - - * hash.h: Don't define stuff we get from gansidecl.h. - - * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS(). - (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding - whether to use ANSI variable args. - (error): Likewise. - - * prefix.c (concat): Likewise. - - * scan.h: Likewise. - - * system.h: Likewise. - - * toplev.c (error_with_file_and_line): Likewise. - (error_with_decl): Likewise. - (error_for_asm): Likewise. - (error): Likewise. - (fatal): Likewise. - (warning_with_file_and_line): Likewise. - (warning_with_decl): Likewise. - (warning_for_asm): Likewise. - (warning): Likewise. - (pedwarn): Likewise. - (pedwarn_with_decl): Likewise. - (pedwarn_with_file_and_line): Likewise. - (sorry): Likewise. - (really_sorry): Likewise. - - * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding - whether to declare `tree_node' and `rtx_def'. - - * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when - deciding whether to use ANSI variable args. - (build_nt): Likewise. - (build_parse_node): Likewise. - -Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB. - -Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu> - - * collect2.c (main, case 'b'): Use else if. - -Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * configure.in (host_xm_file, build_xm_file, xm_file, tm_file): - Arrange to include gansidecl.h in {ht}config.h & tm.h just - before the config/ directory headers. - (tm_file_list, host_xm_file_list, build_xm_file_list): Handle - gansidecl.h in the list of dependencies. - - * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h. - (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib, - mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o, - gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o, - dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o, - cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o): - Likewise. - - * cccp.c: Don't include gansidecl.h. - * cexp.y: Likewise. - * collect2.c: Likewise. - * config/c4x/c4x.c: Likewise. - * config/v850/v850.h: Likewise. - * cppalloc.c: Likewise. - * cpperror.c: Likewise. - * cppexp.c: Likewise. - * cppfiles.c: Likewise. - * cpphash.c: Likewise. - * cpplib.c: Likewise. - * cppmain.c: Likewise. - * cppulp.c: Likewise. - * demangle.h: Likewise. - * doprint.c: Likewise. - * dyn-string.c: Likewise. - * eh-common.h: Likewise. - * fix-header.c: Likewise. - * frame.c: Likewise. - * gcc.c: Likewise. - * gcov.c: Likewise. - * gen-protos.c: Likewise. - * gencheck.c: Likewise. - * halfpic.h: Likewise. - * hash.c: Likewise. - * machmode.h: Likewise. - * mbchar.c: Likewise. - * prefix.c: Likewise. - * protoize.c: Likewise. - * recog.h: Likewise. - * rtl.h: Likewise. - * scan-decls.c: Likewise. - * tree.h: Likewise. - * varray.h: Likewise. - -Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com> - - * i386.md (call_value_pop): If we're not popping anything, - defer to call_value. - (call_pop): Likewise defer to call. - -Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com> - - * function.c (purge_addressof): Clear purge_addressof_replacements - only after processing the whole function. - -Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com) - - * reload1.c (reload): If we can not perform a particular elimination - when we thought we could earlier, then we must always iterate through - the loop at least one more time. - -Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com> - - * alpha.c (add_operand): Simplify the CONST_INT match. - (sext_add_operand): Correct typo in comparison by using - CONST_OK_FOR_LETTER_P. - * alpha.md (s?addq): Use sext_add_operand to allow the negative - constant alternatives to be generated. - (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow - small constants, since the hw instructions do. - -Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a - previous insn to store directly into our reload register, make sure - that if the source of the previous insn is a reload register, its - spill_reg_store and spill_reg_stored_to values are cleared. - -Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu> - - * rs6000.md (floatunssidf2_internal splitter): Use base register - operand, not hard-coded SP. - -Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * jump.c (calculate_can_reach_end): Fix thinko. - -Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com) - - * reorg.c (fill_simple_delay_slots): Fix typo. - - * romp.h (LEGITIMIZE_ADDRESS): Fix typo. - -Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz) - - * i386.md (extendsidi2): Use # in the output template. - (extendsidi splitters): New splitters. - -Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com> - - * configure.in: Use unknown-elf.h as tm_file for arm-elf - configuarions. - * configure: Regenerate. - -Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * jump.c (init_label_info, delete_barrier_successors, - mark_all_labels, delete_unreferenced_labels, - delete_noop_moves, calculate_can_reach_end): New functions broken - out of jump_optimize. - (jump_optimize): Use them. - -Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com> - - * except.c (expand_fixup_region_end): Make sure outer context labels - are not issued in an inner context during cleanups. - -Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com> - - * alpha.md (addsi3, subsi3): No new temporaries once cse is - no longer expected. - -Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com> - - * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as - to expose this midpoint to CSE. - -Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again. - -Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> - - * configure.in: Bring over gcc2 change of Nov 19 1997. - -Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk> - - * toplev.c (output_lang_identify): Make definition dependent on - ASM_IDENTIFY_LANGUAGE. - - * print-rtl.c (spaces): Make static. - -Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se> - - * extend.texi: Clarify proper uses for register clobbers in asms. - -Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * recog.h (enum op_type): Define. - (constrain_operands): Adjust prototype. - (recog_op_type): Declare new variable. - * recog.c (recog_op_type): New variable. - (insn_invalid_p): Allow modifying an asm statement after reload. - (extract_insn): Set up recog_op_type. - (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed. - Don't compute operand types, use recog_op_type. - Use the information computed by extract_insn instead of the previous - method of finding it by insn code number. - * caller-save.c (init_caller_save): Use extract_insn, not insn_extract. - * reorg.c (fill_slots_from_thread): Likewise. - * reload1.c (reload_as_needed): Likewise. - (gen_reload): Likewise. - (inc_for_reload): Likewise. - (reload_cse_simplify_operands): Likewise. - Use the information computed by extract_insn instead of the previous - method of finding it by insn code number. - * genattrtab.c (write_attr_case): Generate call to extract_insn, not - insn_extract. - * final.c (final_scan_insn): Use extract_insn, not insn_extract. - (cleanup_operand_subregs): Use extract_insn, not insn_extract. - Use the information computed by extract_insn instead of the previous - method of finding it by insn code number. - * regmove.c (find_matches): Likewise. Change meaning of the return - value to be nonzero if the optimization can be performed, zero if - not. All callers changed. - Shorten some variable names to fix formatting problems. - (regmove_optimize): Shorten some variable names to fix formatting - problems. - Use the information computed by extract_insn instead of the previous - method of finding it by insn code number. - * regclass.c (scan_one_insn): Likewise. - (record_reg_classes): Don't compute operand types, use recog_op_type. - * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use - recog_constraints instead. - -Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com) - - * rtl.h (flow2_completed): Declare. - * flow.c (flow2_completed): Definition. - * toplev.c (rest_of_compilation): Set and clear flow2_completed - as necessary. - -Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca> - - * Makefile.in (libcpp.a): Ranlib libcpp.a - - * cppulp.c (user_label_prefix): Initialize. - -Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com) - - * flow.c (mark_regs_live_at_end): Mark the stack pointer as live - at a RETURN if current_function_sp_is_unchanging is set. - -Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> - - * emit-rtl.c (try_split): Fixed error in Oct 10 patch. - -Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com> - - * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL, - TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New. - (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options. - (CPP_PREDEFINES): Don't define __CYGWIN32__ here. - (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options. - (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition - to __CYGWIN32__. - (LIB_SPEC): Handle -mno-cyginw option. - (LINK_SPEC): Handle -mdll. - -Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * reload.c (find_reloads): Fix test for usage by other reload - to handle secondary reloads properly. - -Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an - intermediate structure which has exactly the members provided by - ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the - static intermediate structure. - - (init_elim_table): Xmalloc() `reg_eliminate', and initialize it - from the intermediate structure. Do the same analogous fix in - the case where ELIMINABLE_REGS is not defined. - -Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com) - - * pa.h (SELECT_SECTION): Fix thinko. - -Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com> - - * dwarf2out.c (output_call_frame_info): Comments on last change. - -Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com) - - * arm.c (add_constant): When taking the address of an item in the - pool, get the mode of the item addressed. - - * arm.c (final_prescan_insn case INSN): If an insn doesn't - contain a SET or a PARALLEL, don't consider it for conditional - execution. - - Restore ABI compatibility for NetBSD. - * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in - arm.h - (RETURN_IN_MEMORY): Likewise. - -Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com> - - * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations. - (m32r_output_block_move): Rewrite bytes < 4 handling. - -Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * configure.in: Call AC_FUNC_VFORK. - - * collect2.c: Define VFORK_STRING as a printable string for - error messages (either "vfork" or "fork".) If HAVE_VFORK_H is - defined, include vfork.h. If VMS is defined, define vfork() - appropriately. Remove vfork check on USG, we're using autoconf. - (collect_execute): Pass VFORK_STRING to fatal_perror instead of - checking locally what string to pass. - (scan_prog_file): Likewise. - (scan_libraries): Likewise. - - * gcc.c: Remove vfork check on USG, we're using autoconf. - Besides, no calls to vfork/fork occur in this file. - - * protoize.c: Likewise. - -Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br> - - * configure.in (DEFAULT_LINKER): renamed from LD - (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch - (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS - * configure: rebuilt - -Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br> - - * BUGS: fix the regexp for `more' to find the appropriate node. - Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch> - - * BUGS: added link to the WWW FAQ - -Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com) - - * From Christian Gafton: - * i386/linux.h (CPP_PREDEFINES): Add -D__i386__. - * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__. - * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__. - -Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com> - - * c-common.c (c_get_alias_set): Allow all type-punning through - unions. Don't get confused about the type of a bit-field, despite - the antics of build_modify_expr. - -Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com> - - * fixinc.sco: Paramaterize #include_next values. - * fixinc/fixinc.sco: Likewise. - -Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com) - - * toplev.c (rest_of_compilation): No longer set reload_completed. - * reload1.c (reload): Set it here. Perform instruction splitting - after reload has completed if we will be running the scheduler - again. - -Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com) - - * jump.c (jump_optimize): Initialize mappings from INSN_UID to - EH region if exceptions are enabled and we're performing cross - jump optimizations. - (find_cross_jump): Exit loop if the insns are in different EH regions. - -Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com> - - * dwarf2out.c (output_call_frame_info): Use - ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c. - -Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - Reinstall Apr 24th fix, lost during May 6th gcc2 merge: - * c-common.c (check_format_info): Don't check for the 'x' - format character twice, instead check for 'x' and 'X' - -Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com) - - * configure.in (assembler features): Also make gas is configured if - we find it in the souce tree. - -Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com> - - * i386.c (i386_comp_type_attributes): Compare whether the - attributes are defined, not their tree nodes. - -Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br> - - * configure.in (gxx_include_dir): bitten by autoconf quoting - characters :-( - * configure: rebuilt - -Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> - - * configure.in: Ignore non-absolute value in $AS. - -Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de> - - * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko. - -Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net> - - * configure.in (msdosdjgpp): Set exeext and target_alias. - -Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * flow.c (XNMALLOC): New macro. - (flow_int_list_blocks, basic_block_succ, basic_block_pred): New - static variables. - (add_edge, add_edge_to_label): New static functions. - (free_bb_memory): New function. - (flow_delete_insn): Delete function. - (basic_block_drops_in): Delete variable. - (find_basic_blocks): Allocate and initialize basic_block_head, - basic_block_succ. Don't allocate basic_block_drops_in. - Call free_bb_memory at the beginning. - (find_basic_blocks_1): Don't do multiple passes. - Delete code to compute basic_block_drops_in. - After calling make_edges, mark blocks reached by current block live. - Update test for unreachable live blocks. - (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers - changed. - Simplify to call add_edge_to_label when a LABEL_REF is found. - (make_edges): Simplify to call add_edge_to_label instead of - mark_label_ref most of the time. - Compute here whether control drops into the next block. - (delete_unreachable_blocks): Return void. All callers changed. - Delete unreachable blocks in reverse order. - After deleting all unreachable blocks, renumber the remaining ones - and update n_basic_blocks. - (delete_block): Speed up deletion a bit. - Don't set basic_block_drops_in for deleted blocks. - (free_basic_block_vars): Don't free basic_block_drops_in. - (life_analysis_1): Update to use new edge representation. - (dump_flow_info): Delete code to print basic block info; call - dump_bb_data instead. - (compute_preds_succs): Delete code to recompute basic_block_drops_in - and uid_block_number. - Simply copy the previously computed cfg. - (dump_bb_data): New arg LIVE_INFO. All callers changed. - Print register lifetime information if LIVE_INFO is nonzero. - * basic-block.h (dump_bb_data): Adjust prototype. - * gcse.c (gcse_main): Update call to dump_bb_data. - * rtl.h (free_bb_memory): Declare. - * toplev.c (rest_of_compilation): Call free_bb_memory. - - * reload1.c (struct elim_table): Delete MAX_OFFSET member. - (update_eliminable_offsets): Don't compute it. - (set_initial_elim_offsets): Don't initialize it. - Break out some code into set_initial_label_offsets so the rest of - this function can be called from reload_as_needed. - Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when - ELIMINABLE_REGS isn't. - (set_initial_label_offsets): New function, broken out of - set_initial_elim_offsets. - (set_offsets_for_label): New function, broken out of set_label_offsets - and reload_as_needed. - (reload): Call the two new functions. - (reload_as_needed): Call set_initial_elim_offsets instead of - duplicating the code. Likewise for set_offsets_for_label. - - * reload1.c (choose_reload_regs): Fix typo in Oct 17 change. - (emit_reload_insns): Ensure that when we set reg_reloaded_valid for - any hard reg, reg_reloaded_dead contains valid data. - -Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de> - - * i386.c (i386_comp_type_attributes): Return nonzero for mismatched - "stdcall" and "cdecl" attributes. - -Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * reload1.c (choose_reload_regs): Fix typo in Oct 17 change. - -Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com> - - * sched.c (update_flow_info): Add code to ! found_orig_dest case to - handle deleted no-op moves of hard registers. - * haifa-sched.c (update_flow_info): Likewise. - -Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com) - - * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end - of the sequences to reload the HILO register which do not actually - reference HILO. - -Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com> - - * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field. - -Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com> - - * except.c (emit_eh_context): Make the EH context register stay alive - at -O0 so stupid.c doesn't get confused. - -1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> - - * emit-rtl.c (try_split): Do not try to split a BARRIER. - -Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz> - Jeffrey A Law (law@cygnus.com) - - * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM - (zero_extendsidi2): Use # in output template and handle completely by - splits. - (zero_extend splitters): New define_splits. - (ashiftrt_32): New pattern. - -Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com> - - * tree.c (append_random_chars): New fn. - (get_file_function_name_long): Use it. - -Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com> - - * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last. - (LIBCPP_OBJS): New. Add cppulp.o. - (cppmain, fix-header): Depend on and use libcpp.a. - * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead - of the individual object files. - * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@, - last. - - * cccp.c (user_label_prefix): New. - (main): Set it off -f*leading-underscore. - (special_symbol): Use it. - * cpplib.c (special_symbol): Likewise. - (cpp_handle_option): Handle -f*leading-underscore. - * cppulp.c: New file. - - * output.h (user_label_prefix): Declare it. - * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix. - * toplev.c (f_options, main): Handle -f*leading-underscore. - - * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of - referencing USER_LABEL_PREFIX directly. - * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise. - * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise. - * final.c (asm_fprintf): Use user_label_prefix instead. - * arm/thumb.c (thumb_print_operand): Likewise. - - * gcc.c (default_compilers): Pass -f*leading-underscore on to - cpp wherever appropriate. - -Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com> - - * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer- - specific compiler switches. - -Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com) - - * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead - of rtl.h. - -Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate - structure which has exactly the members provided by EXTRA_SPECS. - Xmalloc() the real `extra_specs', and initialize it from this - intermediate structure. - - * alpha.h (EXTRA_SPECS): Revert change for missing initializers. - - * mips.h (EXTRA_SPECS): Likewise. - - * sparc.h (EXTRA_SPECS): Likewise. - -Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> - - * function.c (purge_addressof_1): Instead of aborting when a - bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not - work just put the ADDRESSOF on stack. Otherwise remember all such - successfull replacements, so that exactly the same replacements - can be made on the REG_NOTEs. Remove the special case for CALL - insns again. - (purge_addressof_replacements): New variable. - (purge_addressof): Clear it at end. - -1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu> - - * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB. - (lang_init): Call check_newline always. - * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling - cpp_start_read, set yy_cur and yy_lim to read from - parse_in.token_buffer, so that we'll see the first #line - directive. - * cpplib.c (cpp_start_read): finclude the main input file - before processing -include/-imacros. Process -imacros and - -include separately, and handle -include by stacking a - buffer for the file in question as if it'd been #included. - * toplev.c (documented_lang_options) Recognize -H when - USE_CPPLIB is on. - -1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu> - - * cpplib.c: Merge do_once into do_pragma. Break file handling - code out of do_include. - Move append_include_chain, deps_output, - file_cleanup, redundant_include_p, import_hash, - lookup_import, add_import, read_filename_string, read_name_map, - open_include_file, finclude, safe_read to cppfiles.c. - Move prototypes for deps_output, append_include_chain, - finclude to cpplib.h. Move definition of struct - file_name_list there also. - - * cppfiles.c: New file. Contains all the above functions - broken out of cpplib.c; also hack_vms_include_specification - from cccp.c and find_include_file, a new function broken out of - do_include. - - * Makefile.in (cppmain): Depend on cppfiles.o. - (fix-header): Likewise. - (cppfiles.o): New target. - * configure.in (--enable-c-cpplib): Add cppfiles.o to - extra_c_objs. Add ../cppfiles.o to extra_cxx_objs. - -Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com> - - * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort - if pending_types is non-zero. - (dwarfout_finish): Verify pending_types is zero before finishing. - -Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com> - - * expr.c (convert_move): Use shifts to perform the move if a - suitable extend pattern cannot be found. Code written by - Richard Henderson <rth@cygnus.com>. - -Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * regclass.c (renumber, regno_allocated): New static variables, moved - out of allocate_reg_info. - (allocate_reg_info): Move these two variables outside the function. - Move code to free memory into new function free_reg_info. - (free_reg_info): New function, broken out of allocate_reg_info. - * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info. - * rtl.h (allocate_reg_info): Don't declare. - (free_reg_info): Declare. - - * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment. - -Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com> - - * toplev.c (compile_file): Temporarily revert last change. - -Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com> - - * c-typeck.c (convert_for_assignment): Parenthesize. - -1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> - - * reload1.c (delete_output_reload): Avoid ambigous else. - -Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com) - - * toplev.c (compile_file): Call allocate_reg_info to free register - table memory. - * rtl.h (allocate_reg_info): Declare. - - * PROJECTS: Remove entry for local spilling. - - * final.c (cleanup_subreg_operands): New function. - (final_scan_insn): Use it. - (alter_subreg): Clear the "used" field when we turn a SUBREG into - a REG. - * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG - operands when reload has finished. - * reload.h (cleanup_subreg_operands): Declare.. - * flow.c (life_analysis_1): No longer delete CLOBBER insns after - reload. Handled in reload itself. - -Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * reload1.c (verify_initial_offsets): New function. - (reload): Call it after reload_as_needed. Also verify that the frame - size stays constant during reload_as_needed. - * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change. - - * reload.h (struct insn_chain): Add need_operand_change element. - * reload1.c (new_insn_chain): Clear it. - (calculate_needs_all_insns): Set it; don't overload need_reload. - (reload_as_needed): Use it. - - * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of - reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS - and reload_address_index_reg_class. - (find_reloads_address_1): Likewise. - * reload.h (reload_address_base_reg_class, - reload_address_index_reg_class): Don't declare. - * reload1.c (reg_old_renumber, pseudo_previous_regs, - pseudo_forbidden_regs, bad_spill_regs_global): New static variables. - (used_spill_regs): Now static. - (reload_address_base_reg_class, reload_address_index_reg_class, - regs_explicitly_used, counted_for_groups, counted_for_nongroups, - basic_block_needs, max_needs, group_size, group_mode, max_groups, - max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn, - forbidden_regs): - Deleted variables. - (init_reload): Delete code to compute base/index reg classes. - (reload): Delete variable J. - Delete code to manage basic_block_needs. - Don't compute regs_explicitly_used. - Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs, - pseudo_previous_regs. - Initialize bad_spill_regs_global. - Don't call order_regs_for_reload here. - Don't initialize spill_reg_order and n_spills. - Don't forbid explicitly used regs to be used for spill regs. - Change main loop to infinite loop, with explicit break statements. - Make SOMETHING_CHANGED variable local to that loop. - Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn, - max_groups_insn, max_nongroups_insn, group_size, group_mode. - Make sure spilled_speudos is cleared before calling spill_hard_reg or - new_spill_reg. - Don't call dump_needs. - Delete code to reset potential_reload_regs. - Delete code to terminate loop conditional on the global needs variables - showing no further needs. - (calculate_needs_all_insns): Return void. All callers changed. - Initialize somehing_needs_elimination here, not in reload. - Delete avoid_return_reg kludge. - (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void. - All callers changed. - Initialize the group_mode and group_size elements of the arg CHAIN. - Delete code to manage basic_block_needs. - Operate on elements of CHAIN instead of global variables. - Delete avoid_return_reg kludge. - (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void. - All callers changed. - Operate on elements of CHAIN instead of global variables. - Delete special SMALL_REGISTER_CLASSES code. - Delete spill_failure code; now in new_spill_reg. - (find_group): Lose GLOBAL arg, take CHAIN arg, return void. - All callers changed. - Operate on elements of CHAIN instead of global variables. - (maybe_mark_pseudo_spilled): New static function. - (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void. - All callers changed. - Operate on elements of CHAIN instead of global variables. - Call order_regs_for_reload here, not in reload. - Initialize spill_reg_order and n_spills. - Simplify test whether an asm insn is involved. - Delete spill_failure code; now in new_spill_reg. - Call maybe_mark_pseudo_spilled for everything marked as live in - CHAIN. Merge CHAIN's used_spill_regs into the global variable - used_spill_regs. - (dump_needs): Take CHAIN arg. No longer static, to prevent the - compiler from optimizing this function (now unused) away. - Operate on elements of CHAIN instead of global variables. - (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers - changed. - Operate on elements of CHAIN instead of global variables. - (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args, - take CHAIN arg. All callers changed. - Operate on elements of CHAIN instead of global variables. - (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take - CHAIN, NONGROUP args. Return void. All callers changed. - Verify caller isn't trying to spill a pseudo. - Simplify test for illegal reg, just use bad_spill_regs. - Generate better error messages. - Operate on elements of CHAIN instead of global variables. - Mark spilled register in CHAIN's used_spill_regs element. - Don't call spill_hard_reg. - (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed. - Mark spilled hard regs in bad_spill_regs_global. - Mark affected pseudos in spilled_pseudos, but don't spill them. - (ior_hard_reg_set): New static function. - (finish_spills): Return int. All callers changed. - Compute spill_reg_order, n_spills and spill_regs here. Also update - regs_ever_live for regs used as spills. - For every pseudo in spilled_pseudos, spill it and mark the previous - hard reg it had in pseudo_previous_regs. Compute which hard regs - arseudo): New static function. - (order_regs_for_reload): Take CHAIN arg. All callers changed. - Initialize bad_spill_regs from bad_spill_regs_global, then merge any - hard registers explicitly used across the current insn into the set. - Compute hard_reg_n_uses taking only pseudos live across this insn - into account. - Tweak sorting of potential_reload_regs. - (compare_spill_regs): Delete function. - (reload_as_needed): Don't sort the spill_regs array, it's computed - in proper order in finish_spills. - Delete avoid_return_reg kludge. - Delete code to manage basic_block_needs. - (allocate_reload_reg): Minor speed/readability tweaks. - Operate on elements of CHAIN instead of global variables. - (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed. - Delete avoid_return_reg kludge. - Initialize reload_reg_used from CHAIN's used_spill_regs element. - Delete unused label FAIL. - (reload_combine): Replce reload_address_index_reg_class with - INDEX_REGS. - Don't use used_spill_regs to determine information about lifetime of - hard regs. - -Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com> - - * toplev.c (display_help): Ignore empty target specific - options, and if -W is also specified on the command line then - display undocumented options. - - * config/arm/arm.c: Updated with changes in devo sources. - * config/arm/arm.h: Updated with changes in devo sources. - * config/arm/lib1funcs.asm: Updated with changes in devo sources. - * config/arm/lib1thumb.asm: Add ELF support. - -Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu> - - * collect2.c (aix64_flag): New variable. - (main, case 'b'): Parse it. - (GCC_CHECK_HDR): object magic number must match mode. - (scan_prog_file): Only check for shared object if valid header. - Print debugging if header/mode mismatch. - -Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com> - - Added support for arm-elf-linux configuration, submitted by Philip - Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf - code developed by Catherine Moore <clm@cygnus.com>. The following - files are affected: - - * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf - targets. - - * configure: Regenerated. - - * config/arm/aout.h: Add default definitions of REGISTER_PREFIX, - USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro - definitions conditional on their not having been already defined. - - * config/arm/lin1funcs.asm: Add ELF only macros to generate .size - and .type directives, and add "(PLT)" qualification to function - calls. - - * config/arm/linux.h: Deleted. This file is now superceeded by - either linux-elf.h or linux-aout.h. - - * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling. - (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel - support). - Move definitions from old linux.h file here. - - * config/arm/elf.h: New file. Generic ARM/ELF support. - - * config/arm/linux-aout.h: New file. Support for Linux with a.out. - - * config/arm/linux-elf.h: New file. Support for Linux with ELF. - - * config/arm/linux-elf26.h: New file. Support for Linux with ELF - using the 26bit APCS. - - * config/arm/unknown-elf.h: New file. Support for OS'es other - than Linux with ELF. - - * config/arm/t-arm-elf: New file. makefile fragment for arm-elf - builds. - - * config/arm/coff.h: Include aout.h for basic assembler macros. - Add support for -mstructure_size_boundary=<n> command line option. - - * config/arm/arm.h: Add support for -mstructure_size_boundary=<n> - command line option. Make macro definitions conditional on their - not having been already defined. - - * config/arm/arm.c: Add support for -mstructure_size_boundary=<n> - command line option. - - -Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com> - - * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING - has been changed to not include a newline. Use this macro instead. - (output_enumeral_list, const_value_attribute, name_attribute, - comp_dir_attribute, prototyped_attribute, producer_attribute, - inline_attribute, pure_or_virtual_attribute, output_inheritance_die, - dwarfout_file_scope_decl, generate_new_sfname_entry, - generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use - ASM_OUTPUT_DWARF_STRING_NEWLINE macro. - -Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com> - - * combine.c (subst): Process the inputs to a parallel asm_operands - only once. - -Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com> - - * stmt.c (expand_asm_operands): Accept `=' or `+' at any position. - -Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com) - - * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document. - -Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com> - - * stmt.c (expand_fixup): Set fixup->before_jump to a - NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG. - -Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * Makefile.in (recog.o): Depend on toplev.h. - (insn-emit.o): Depend on recog.h. - (insn-peep.o): Depend on recog.h and insn-config.h. - - * combine.c (simplify_set): Remove unused variable `scratches'. - - * final.c (final_scan_insn): Wrap declaration of variables `vlen' - and `idx' in macro conditional controlling their use. - - * genemit.c (main): Make the generated output file include - recog.h. Don't have it declare `insn_operand_constraint', since - we get it from recog.h. - - * genpeep.c (main): Make the generated output file include - insn-config.h and recog.h. - - * recog.c: Include toplev.h. - (extract_insn): Remove unused variable `p'. - - * regclass.c (fix_register): Add missing braces around initializer - for `what_option'. - (allocate_reg_info): Move variable `i' into the scope where it is - used. Change its type to `size_t'. - -Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * reload.c (push_reload): When merging reloads, make sure - that reload_in_reg and reload_in are from the same reload in - all cases. - -Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu> - - * i386/crtdll.h (CPP_PREDEFINES): Fix typo. - * i386/mingw32.h (CPP_PREDEFINES): Likewise. - -Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu> - - * loop.c (loop_has_tablejump): New variable. - (prescan_loop): Scan for it. - (insert_bct): Replace explicit scan with use of it. - * regclass.c (regclass): Restore loop variable j. - (record_reg_classes): Deterine op_types modifiers and initialize - classes[i] before matching constraints. Handle matching - constraints 5-9. - -Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com> - - * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete - subreg support. - -Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * mips.h (EXTRA_SPECS): Add missing initializers. - -Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * sparc.h (EXTRA_SPECS): Add missing initializers. - (sparc_defer_case_vector): Provide a prototype. - - * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when - comparing it to the result of a pointer subtraction. - -Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast - the argument to (unsigned char). - - * alpha.h (EXTRA_SPECS): Add missing initializers. - (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the - format specifier. - -Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com) - - * flow.c (life_analysis_1): Enable "rescan" code after reload. - (propagate_block): Delete dead code after reload. - - * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings - back Oct 15, 1998 change. - * haifa-sched.c (update_flow_info): Likewise. - * flow.c (life_analysis_1): Delete CLOBBER insns after reload. - - * mn10200.md (truncated shift): Accept constant inputs too. - -Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com) - - * machmode.h (mode_mask_array): No longer const. - * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined. - -Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de> - - * frame.c: Somewhat explain `FDE'. - Suggested by Brendan Kehoe - -Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com> - - * expr.c (pending_chain): Move up. - (save_expr_status): Do save pending_chain. - (restore_expr_status): And restore it. - * function.h (struct function): Add pending_chain. - -1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> - - * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The - did not match the code. - -Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * regclass.c (regclass): Break out some code into new function - scan_one_insn, and into regclass_init. - (init_cost): New static variable, moved out of regclass. - (regclass_init): Initialize it here, not in . - (scan_one_insn): New static function, broken out of regclass. - * recog.c (apply_change_group): Break out some code into new - function insn_invalid_p. - (insn_invalid_p): New static fn, broken out of apply_change_group. - -Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com> - - * reload1.c (reload_as_needed): When rewrite POST_INC, verify - reg_reloaded_contents matches incremented pseudo. - - * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support. - -Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for - addressing modes with side effects. These are currently - placeholders for the C4x target. - -Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * loop.c (express_from): Make sure that when generating a PLUS of - a PLUS, any constant expression appears on the outermost PLUS. - -Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com) - - * Makefile.in (distdir-cvs, distdir-start): Clean up so it - works if "$(srcdir)" != ".". - -Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com> - - * expmed.c (store_bit_field): If need to add a SUBREG, then remove - existing SUBREG if we can, otherwise abort. - -Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com> - - * c-common.c (c_apply_type_quals_to_decl): Don't crash when - `restrict' is applied to a non-pointer variable. - -Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com> - - * invoke.texi: Document -flang-isoc9x. - - * tree.h (TYPE_RESTRICT): New macro. - (TYPE_UNQUALIFIED): New manifest constant. - (TYPE_QUAL_CONST): Likewise - (TYPE_QUAL_VOLATILE): Likewise. - (TYPE_QUAL_RESTRICT): Likewise. - (tree_type): Add restrict_flag. Reduce count of free bits. - (tree_decl): Add pointer_alias_set. - (build_qualified_type): New function. - (build_type_variant): Define in terms of build_qualified_type. - * tree.c (set_type_quals): New function. - (make_node): Initializae DECL_POINTER_ALIAS_SET. - (build_type_attribute_variant): Use build_qualified_type and - set_type_quals. - (build_type_variant): Rename, and modify, to become... - (build_qualified_type): New function. - (build_complex_type): Use set_type_quals. - - * c-tree.h (C_TYPE_OBJECT_P): New macro. - (C_TYPE_FUNCTION_P): Likewise. - (C_TYPE_INCOMPLETE_P): Likewise. - (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise. - (c_apply_type_quals_to_decl): New function. - (c_build_qualified_type): New function. - (c_build_type_variant): Define in terms of c_build_qualified_type. - (flag_isoc9x): Declare. - * c-typeck.c (qualify_type): Use c_build_qualified_type. - (common_type): Change to use TYPE_QUALS. - (comptypes): Likewise. - (convert_for_assignment): Likewise. - * c-aux-info.c (gen_type): Likewise. Deal with `restrict'. - * c-decl.c (flag_isoc9x): Define. - (c_decode_option): Handle -flang-isoc9x. - (grokdeclarator): Update to handle restrict. Use TYPE_QUALS, - c_build_qualified_type, etc. Use c_apply_type_quals_to_decl. - * c-lex.c (init_lex): Deal with restrict. - (init_lex): Don't treat restrict as a reserved word in - -traditional mode, or without -flang-isoc9x. - * c-lex.h (rid): Add RID_RESTRICT. - * c-parse.gperf (restrict, __restrict, __restrict__): Make - equivalent to RID_RESTRICT. - * c-parse.in (TYPE_QUAL): Update comment. - * c-common.c: Include rtl.h. - (c_find_base_decl): New function. - (c_build_type_variant): Rename, and modify, to become ... - (c_build_qualified_type): New function. - (c_apply_type_quals_to_decl): Likewise. - * toplev.c (documented_lang_options): Add -flang-isoc9x. - -Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com> - - * config/arm/arm.h (TARGET_SWITCHES): Document arm specific - command line switches. - -Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk> - - * reload.c (loc_mentioned_in_p): Add missing braces to bind - else to correct if. - -Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com> - - * gcc.c (option_map): Added --classpath and --CLASSPATH. - -Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com> - - * regclass.c (fix_register): Add error message. - * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the - new error message. - -Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * c-decl.c (warn_missing_noreturn): New global variable. - (c_decode_option): Check for new flags -W{no-}missing-noreturn. - (finish_function): Implement missing noreturn warning. - - * c-tree.h (warn_missing_noreturn): Declare extern. - - * invoke.texi: Document new flags. - - * toplev.c (documented_lang_options): Add description. - -Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT - loop optimization stable for the C4x. - (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop, - c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get, - c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT - loop optimization). - (c4x_address_conflict): Be more paranoid when packing a volatile - memref in a parallel load/store. - -Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * config/c4x/c4x.md (repeat_block_top, repeat_block_end, - repeat_block_filler): Deleted. - (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber): - Condition code not set if destination register from 'c' class. - (*subbqi3_carry_clobber): Fix typo. - -1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> - - * reorg.c (steal_delay_list_from_target) Check for insns that - modify the condition codes and effect the direction of the jump - in the sequence. - -Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk> - - * function.c (purge_addressof_1): Replace call to - emit_insns_before() with emit_insn_before(). - -Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com> - - * libgcc2.c (__pure_virtual): Call __terminate instead of _exit. - -Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * jump.c (sets_cc0_p): Compile only if HAVE_cc0. - -Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com) - - * gcse.c (compute_hash_table): Correctly identify hard regs which are - clobbered across calls. - - * loop.c (scan_loop): Be more selective about what invariants are - moved out of a loop. - -Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com) - - * libgcc2.c (eh_context_static): Do not call malloc to allocate the - static eh_context structure. - -Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All - callers changed. - (try_combine): Don't update max_scratch. - * flow.c (max_scratch, num_scratch): Delete variables. - (life_analysis_1): Don't initialize max_scratch. - (propagate_block): Don't update max_scratch. - (mark_set_1): Don't increment num_scratch. - * regs.h (max_scratch): Delete declaration. - -Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com) - - * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV - is nonzero. This is temporary! - - * sched.c (update_flow_info): Handle death notes made invalid by - instruction splitting. Partially reverts Oct 15, 1998 patch. - * haifa-sched.c (update_flow_info): Likewise. - -Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com) - - * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL - if it has a nonzero DECL_INITIAL. - -Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * Makefile.in (flow.o): Depend on recog.h. - - * cpplib.h (directive_table): Add missing initializiers. - (finclude): Change type of variable `bsize' to size_t. - - * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED. - - * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE. - - * fix-header.c (lookup_std_proto): Cast the result of `strlen' to - `int' when comparing against one. - (cpp_file_line_for_message): Mark parameter `pfile' with - ATTRIBUTE_UNUSED. - (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED. - - * flow.c: Include recog.h. - (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR). - - * function.c (thread_prologue_and_epilogue_insns): Mark parameter - `f' with ATTRIBUTE_UNUSED. - (reposition_prologue_and_epilogue_notes): Likewise. - - * genopinit.c (gen_insn): Cast argument of ctype functions to - `unsigned char'. - - * haifa-sched.c: Include recog.h. - (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when - comparing against one. - - * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now. - - * mips-tfile.c (parse_end): Cast the argument of ctype function to - `unsigned char'. - (parse_ent): Likewise. - (parse_input): Likewise. - - * optabs.c (init_libfuncs): Likewise. - - * protoize.c (find_rightmost_formals_list): Likewise. - - * recog.h (const_double_operand): Fix typo in prototype. - - * tlink.c (scan_linker_output): Cast the argument of ctype - function to `unsigned char'. - - * toplev.c (check_lang_option): Cast the result of `strlen' to - `int' when comparing against one. - -Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk> - - * gcse.c (dump_cuid_table): Correct typo. - -Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com> - - * toplev.c (display_help): Prepend '-m' to target specific - options. - (check_lang_option): Ignore text after end of first word of a - language specific option. - (display_help): Ignore empty target specific options, and if -W is - also specified on the command line then display undocumented - options. - - * invoke.texi: Document --help option. - -Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * reload1.c (reg_used_by_pseudo): New static variable. - (choose_reload_regs): Initialize it. - Use it instead of testing spill_reg_order to determine whether a - pseudo is live in a hard register across the current insn. - Fix a typo in a reference to reload_reg_rtx. - - * flow.c (propagate_block): Replace code that computes and uses - regs_sometimes_live with simpler code that just walks the set of - currently live registers. - - * Makefile.in (insn-extract.o): Fix dependencies. - * genextract.c (main): Generate includes for insn-config.h and - recog.h. - Delete generation of declarations which are now in recog.h. - * genrecog.c (main): Delete generation of definitions which are - now in recog.c. - * local-alloc.c (block_alloc): Use extract_insn and the variables - it sets up instead of looking up values by insn_code. - * recog.c (recog_operand, recog_operand_loc, recog_dup_loc, - recog_dup_num): Define here instead of generating the definition in - genrecog.c. - (recog_n_operands, recog_n_dups, recog_n_alternatives, - recog_operand_mode, recog_constraints, recog_operand_address_p): - New variables. - (extract_insn): New function. - * recog.h (extract_insn): Declare function. - (which_alternative, recog_n_operands, recog_n_dups, - recog_n_alternatives, recog_operand_mode, recog_constraints, - recog_operand_address_p): Declare variables. - * regclass.c (n_occurrences): New static function. - * reload.c (n_occurrences): Delete function. - (find_reloads): Use extract_insn. - * reload.h (n_occurrences): Delete declaration. - -Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com) - - * reload1.c (reload_as_needed): Fix test for when to call - update_eliminable_offsets. - -Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - Fix consistency problems with reg_equiv_{mem,address}; - Improve reload inheritance; - - * reload.c (reload_out_reg): New variable. - (loc_mentioned_in_p, remove_address_replacements): New functions. - (remove_replacements): Deleted. - (push_reload): Set reload_out_reg[i]. - When merging, also set reload_{in,out}_reg[i], and remove - duplicate address reloads. - (combine_reloads): Copy reload_out_reg[i]. - (find_reloads): Do make_memloc substitution also when - reg_equiv_memory_loc[regno] and num_not_at_initial_offset - are both nonzero. - Include *recog_operand_loc in commutativity operand changes. - Generate optional output reloads. - Delete reference to n_memlocs. Don't set *recog_operand_loc before - processing operands. Call make_memloc in reg_equiv_address code. - Set *recog_operand_loc only after processing operands, and only - if replace is true. Return a value. - When changing address reload types for operands that didn't get - reloaded, use RELOAD_FOR_OPADDR_ADDRESS for - RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads. - Don't emit USEs for pseudo SUBREGs when not replacing. - (find_reloads_address): Do make_memloc substitution also when - reg_equiv_memory_loc[regno] and num_not_at_initial_offset - are both nonzero. - (find_reloads_toplev): Likewise. - Call make_memloc in reg_equiv_address code. - (debug_reload_to_stream): Add code to output reload_out_reg. - (make_memloc): Delete local variable i, ifdefed out code, and - references to memlocs and n_memlocs. - (memlocs, n_memlocs): Delete. - (push_secondary_reload): Clear reload_out_reg. - (find_reloads_address_1): Provide memrefloc argument to all calls - to find_reloads_address. - In AUTO_INC code, handle non-directly addressable equivalences properly. - * reload.h (reload_out_reg, num_not_at_initial_offset): Declare. - (find_reloads): Add return type. - (remove_address_replacements, deallocate_reload_reg): Declare. - * reload1.c (num_not_at_initial_offset): No longer static. - (delete_address_reloads, delete_address_reloads_1): Likewise. - (deallocate_reload_reg): New function. - (spill_reg_stored_to): New array. - (eliminate_regs): Don't substitute from reg_equiv_memory_loc. - (eliminate_regs_in_insn): Move assignments of previous_offset and - max_offset fields, and recalculation of num_not_at_initial_offset - into new static function: - (update_eliminable_offsets) . - (reload_as_needed): Call update_eliminable_offsetss after calling - find_reloads. - Call forget_old_reloads_1 with contents of reloaded auto_inc - expressions if the actual addressing can't be changed to match the - auto_inc. - (choose_reload_regs): For inheritance, replace - reload_reg_free_before_p test with reload_reg_used_at_all test, and - remove stand-alone reload_reg_used_at_all test. - Use reload_out_reg to determine which reload regs have output reloads. - Treat reload_override_in more similar to inherited reloads. - Handle (subreg (reg... for inheritance. - For flag_expensive_optimizations, add an extra pass to remove - unnecessary reloads from known working inheritance. - Delete obsolete code for pseudos replaced with MEMs. - Handle inheritance from auto_inc expressions. - (emit_reload_insns): If reload_in is a MEM, set OLD to - reload_in_reg[j]. - Don't reload directly from oldequiv; if it's a pseudo with a - stack slot, use reload_in[j]. - Check that reload_in_reg[j] is a MEM before replacing reload_in - from reg_reloaded_contents. - Include non-spill registers in reload inheritance processing. - Also try to use reload_out_reg to set spill_reg_store / - reg_last_reload_reg. - In code to set new_spill_reg_store, use single_set to find out if - there is a single set. - Add code that allows to delete optional output reloads. - Add code to allow deletion of output reloads that use no spill reg. - At the end, set reload_override_in to oldequiv. - Also call delete_output_reload if reload_out_reg is equal to old - in oldequiv code. - Add code to call delete_output_reload for stores with no matching load. - Set / use spill_reg_stored_to. - Handle case where secondary output reload uses a temporary, but - actual store isn't found. - When looking for a store of a value not loaded in order to call - delete_output_reload, count_occurences should return 0 for no - loads; but discount inherited input reloadill_reg_stored_to. - Do checks for extra uses of REG. Changed all - callers. - Use delete_address_reloads. - (reload): Take return value of find_reloads into account. - If a no-op set needs more than one reload, delete it. - (reload_reg_free_before_p): RELOAD_FOR_INPUT - can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS - for the same operand. - (clear_reload_reg_in_use): Check for other reloads that keep a - register in use. - (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS / - RELOAD_FOR_OPADDR_ADDR. - Take into account when an address address reload is only needed - for the address reload we are considering. - (count_occurrences): Use rtx_equal_p for MEMs. - (inc_for_reload): Return instruction that stores into RELOADREG. - New argument two, IN, and rtx. Changed all callers. - (calculate_needs_all_insns, reload_as_needed): - Don't clear after_call for a CLOBBER. - Keep track of how many hard registers need to be copied from - after_call, and don't clear after_call before we have seen - that much copies, or we see a different instruction. - -Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com) - - * flow.c (find_basic_blocks_1): Do not delete unreachable blocks - after reload has completed. - -Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com> - - * cpplib.c (cpp_get_token): Replace whitespace that occurs between - a macro name and the next token with a single blank if that whitespace - is in a macro buffer and the next token is not '('. - -Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com> - - * cccp.c (rescan): Handle multibyte chartacters ending in backslash. - (rescan): Ditto. - (skip_if_group): Ditto. - (skip_to_end_of_comment): Ditto. - (macarg1): Ditto. - (discard_comments): Ditto. - (change_newlines): Ditto. - -Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com> - - * c-lex.c (yylex): Fix unaligned access of wchar_t. - -Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com> - - * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation. - (TARGET_OPTIONS): Add --help documentation. - -Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change. - -Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com> - - * fixinc/* Moved in from ../contrib directory in preparation - for integrating it into the normal build process. In particular, - fixinc/Makefile.in must be config-ed into the build directory - as fixinc/Makefile. Proposed patches to ./Makefile.in and - ./configure.in will be "in the mail" momentarily. - -Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com> - - * cse.c (cse_basic_block): Fixup hash flushing loop so we do not - accidently walk into the free list. Comment how that can happen. - (invalidate): Fix indentation. - -Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - Jeffrey A Law (law@cygnus.com) - - * flow.c (life_analysis_1): Do not clobber regs_ever_live after - reload. Never perform rescans of the insn chain after reload. - (propagate_block): Do not delete insn or create new autoinc addressing - modes after reload. - - * jump.c (jump_optimize): Unconditionally use the code that was - previously conditional on PRESERVE_DEATH_INFO_REGNO_P. - * reload1.c (reload): When reloading is finished, delete all - REG_DEAD and REG_UNUSED notes. - (emit_reload_insns): Delete all code that was conditional on - PRESERVE_DEATH_INFO_REGNO_P. - (no_longer_dead_regs): Delete variable. - (reload_cse_delete_death_notes): Delete function. - (reload_cse_no_longer_dead): Delete function. - (reload_cse_regs_1): Delete all code to handle deletion of death - notes. - (reload_cse_noop_set_p): Likewise. - (reload_cse_simplify_set): Likewise. - (reload_cse_simplify_operands): Likewise. - (reload_cse_move2add): Likewise. - * reorg.c (used_spill_regs): Delete declaration. - (max_label_num_after_reload): Delete declaration. - (find_dead_or_set_registers): Don't assume that spill regs are - dead at a CODE_LABEL. - * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate, - even after reload. - * sched.c (sched_analyze_insn): Likewise. - (update_flow_info): Likewise. - * haifa-sched.c (sched_analyze_insn): Likewise. - (update_flow_info): Likewise. - * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation. - * toplev.c (max_label_num_after_reload): Delete variable. - (rest_of_compilation): Don't set max_label_num_after_reload. - Call life_analysis after reload_cse_regs if optimizing. - * config/gmicro/gmicro.h: Delete comment referring to - PRESERVE_DEATH_INFO_REGNO_P. - * config/i386/i386.h: Likewise. - * config/m88k/m88k.h: Likewise. - * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition. - * config/sh/sh.h: Likewise. - -Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu> - - * loop.c (strength_reduce): Restore marking bct_p as - ATTRIBUTE_UNUSED. - * rs6000.c (optimization_options): Change #ifdef HAIFA to - HAVE_decrement_and_branch_on_count. - (small_data_operand): Remove TARGET_ELF condition for marking - parameters ATTRIBUTE_UNUSED. - -Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com> - - * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define. - (SELECT_SECTION): Resync with svr4.h. - -Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu> - - * loop.c (strength_reduce): Undo Oct 14 change marking bct_p - ATTRIBUTE_UNUSED. - -Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com> - - * c-pragma.c (handle_pragma_token): Test for null tree before - dereferencing TREE_CODE. - -Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * config/c4x/c4x.c: Convert to use GEN_INT. - (c4x_parallel_process): Rework to handle new repeat loop structure. - - * config/c4x/c4x.md: Convert to use GEN_INT. - (rptb_end): Convert to use GE test. Replace uses with clobbers. - (decrement_and_branch_on_count): Likewise. - - * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that - loop.c has the desired functionality. - (rc_reg_operand): New prototype. - - * config/c4x/t-c4x: Can now build all front ends. - -Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com) - - * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS. - -Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com) - - * Makefile.in (stmp-fixinc): Do not install assert.h if not desired. - * config/t-rtems: Do not install assert.h -- use newlib's. - -Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * combine.c (combine_instructions): When finished, call init_recog. - * regmove.c (optimize_reg_copy_3): Reject volatile MEMs. - -Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com> - - * toplev.c: If flag_syntax_only, don't open or write assembler file. - -Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * cppalloc.c (memory_full): Mark function prototype with - ATTRIBUTE_NORETURN. - - * demangle.h (collect_exit): Likewise. - - * fix-header.c (v_fatal, fatal): Likewise. - - * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort): - Likewise. - - * gcov.c (print_usage): Likewise. - - * genattr.c (fatal, fancy_abort): Likewise. - - * genattrtab.c (fatal, fancy_abort): Likewise. - - * gencodes.c (fatal, fancy_abort): Likewise. - - * genconfig.c (fatal, fancy_abort): Likewise. - - * genemit.c (fatal, fancy_abort): Likewise. - - * genextract.c (fatal, fancy_abort): Likewise. - - * genflags.c (fatal, fancy_abort): Likewise. - - * genopinit.c (fatal, fancy_abort): Likewise. - - * genoutput.c (fatal, fancy_abort): Likewise. - - * genpeep.c (fatal, fancy_abort): Likewise. - - * genrecog.c (fatal, fancy_abort): Likewise. - - * libgcc2.c (__eprintf, __default_terminate, __sjthrow, - __sjpopnthrow, __throw): Likewise. - - * objc/objc-act.c (objc_fatal): Likewise. - - * protoize.c (usage, aux_info_corrupted, - declare_source_confusing): Likewise. - - * rtl.c (dump_and_abort): Likewise. - - * rtl.h (sets_cc0_p): Likewise. - - * toplev.c (float_signal, pipe_closed): Likewise. - -1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> - - * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges - when generating the decision tree for the general case. - - * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes - wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs. - -Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * Makefile.in (sched.o): Depend on recog.h. - - * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to - (unsigned) when comparing against one. - (find_base_value): Likewise. - (record_base_value): Cast variable `regno' to (unsigned) when - comparing against one. Cast the result of REGNO() macro to - (unsigned) when comparing against one. - (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to - unsigned. - (init_alias_analysis): Add unsigned variable `ui'. Use it as loop - variable where an unsigned index is needed. - - * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code) - before comparing against one. - - * collect2.c: Add prototypes for functions `error', `fatal' and - `fatal_perror'. Make these functions take variable arguments - instead of faking it with a fixed number of args. - (write_c_file_stat): Cast the argument of ctype macro to (unsigned - char). - - * combine.c (can_combine_p): Mark parameter `pred' with - ATTRIBUTE_UNUSED. - (find_split_point): Cast variable `src' to (unsigned - HOST_WIDE_INT) when comparing against one. - (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift. - (simplify_logical): Likewise. - (force_to_mode): Cast result of INTVAL() macro to (unsigned - HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned - HOST_WIDE_INT) in shift. - (simplify_and_const_int): Cast result of INTVAL() macro to - `unsigned HOST_WIDE_INT' when comparing against one. - (merge_outer_ops): Cast variable const0 to `unsigned - HOST_WIDE_INT' when comparing against the result of - GET_MODE_MASK() macro. - (simplify_comparison): Likewise for variable `c0'. Cast variable - `const_op' to `unsigned HOST_WIDE_INT' when comparing against - one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the - result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing - against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast - result of INTVAL() macro to `unsigned HOST_WIDE_INT' when - comparing against one. - (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'. - - config/mips/mips.c (gen_int_relational): Cast result of INTVAL() - macro to `unsigned HOST_WIDE_INT' when comparing against one. - (output_block_move): Cast `sizeof' expression to (int) when - comparing against one. - (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing - against one. - (save_restore_insns): Cast `base_offset' to `long' to match format - specifier in fprintf. - - * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro - to `enum machine_mode'. - - * flow.c (life_analysis_1): Remove unused variable `insn'. - - * gcc.c (translate_options): Move variables `j' and `k' into the - scope in which they are used. Change their types to `size_t'. - (set_spec): Cast the argument of ctype macro to `unsigned char'. - (read_specs): Likewise. - (process_command): Cast `sizeof' to (int) when comparing against one. - (do_spec_1): Cast the argument of ctype macro to `unsigned char'. - (handle_braces): Cast both sides of `==' expression to `long' to - ensure sign matching. - (main): Cast variable `i' to `int' when comparing against one. - - * gcov-io.h (__fetch_long): Change type of parameter `bytes' from - int to size_t. Cast variable `i' to size_t when comparing against - one. - - * genattrtab.c (convert_set_attr_alternative): Remove unused - parameter `insn_code'. All callers changed. - (convert_set_attr): Likewise. - - * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to - size_t when comparing against one. Likewise for variable `len'. - - * global.c (global_alloc): Cast variable `max_regno' to size_t - when comparing against one. Likewise for variable `max_allocno'. - - * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED. - - * local-alloc.c (validate_equiv_mem_from_store): Mark parameter - `set' with ATTRIBUTE_UNUSED. - (find_free_reg): Cast `sizeof' expression to (int) when comparing - against one. - - * loop.c (count_loop_regs_set): Remove unused variable `dest'. - (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED. - (get_condition): Cast variable `const_val' to `unsigned - HOST_WIDE_INT' when comparing against one. Cast unsigned - expression to HOST_WIDE_INT when comparing against one. - (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED. - (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to - `unsigned' when comparing against one. - - * protoize.c (is_id_char): Change type of parameter `ch' to - unsigned char. - (munge_compile_params): Cast argument of ctype macro to (const - unsigned char). - (process_aux_info_file): Cast variable `aux_info_size' to int when - comparing against one. - (forward_to_next_token_char): Cast argument of ctype macro to - `const unsigned char'. - (edit_formals_lists): Likewise. - (find_rightmost_formals_list): Likewise. - (add_local_decl): Likewise. - (add_global_decls): Likewise. - (edit_fn_definition): Likewise. - (do_cleaning): Likewise. - (scan_for_missed_items): Likewise. - (edit_file): Cast variable `orig_size' to (int) when comparing - against one. - (main): Cast argument of ctype macro to `const unsigned char'. - - * recog.c (const_int_operand): Mark parameter `mode' with - ATTRIBUTE_UNUSED. - - * regclass.c (record_reg_classes): Change type of variable `c' to - `unsigned char'. Cast `char' array index to `unsigned char'. - - * reload.c (push_secondary_reload): Cast argument to - REG_CLASS_FROM_LETTER() macro to `unsigned char'. - - * reload1.c (calculate_needs): Cast `char' array index to - `unsigned char'. - (set_label_offsets): Change type of variable `i' to unsigned int. - Cast result of XVECLEN() macro to unsigned when comparing against - one. - (mark_not_eliminable): Change type of variable `i' to unsigned. - (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned - when comparing against one. - (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when - comparing against one. - (choose_reload_regs): Hide unused label `fail'. - (reload_cse_simplify_operands): Cast `char' array index to - `unsigned char'. - (reload_combine_note_store): Mark parameter `set' with - ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing - against one. - (reload_cse_move2add): Remove unused variable `src2'. - - * sched.c: Include recog.h. - (sched_note_set): Remove unused parameter `b'. All callers - changed. - (split_hard_reg_notes): Likewise for parameter `orig_insn'. - (blockage_range): Cast result of UNIT_BLOCKED() macro to (int) - when comparing against one. - - * stupid.c (stupid_find_reg): Mark parameter `changes_size' with - ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when - comparing against one. - - * unroll.c (precondition_loop_p): Remove unused parameter - `loop_end'. All callers changed. - -Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * reload1.c (maybe_fix_stack_asms): New static function. - (reload): Call it. - - * reload.h (compute_use_by_pseudos): Declare. - - * reload1.c (spilled_pseudos, insns_need_reload): New variables. - (something_needs_reloads): Delete variable. - (finish_spills): New function. - (compute_use_by_pseudos): New function. - - (delete_caller_save_insns): Lose argument FIRST. All callers changed. - Use the reload_insn_chain instead of walking the rtl directly. - - (reload): Allocate and free spilled_pseudos. - Ensure that all calls of spill_hard_reg are followed by a call to - finish_spills. - Use the insns_need_reload list instead of something_needs_reloads - to find out if reload_as_needed must be called. - Clear unused_insn_chains at the end. - - (calculate_needs_all_insns): Lose FIRST parameter. All callers - changed. - Delete code to keep track of current basic block. - Walk reload_insn_chain instead of the rtl structure. Build the - insns_need_reload chain. - Remember which insns need reloading/elimination by setting the - appropriate fields in struct insn_chain, not by putting modes on the - insn. - - (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of - arg INSN. All callers changed. - Delete declaration of struct needs. - Don't set something_needs_reloads. - Record insn needs in the CHAIN argument. - - (spill_hard_reg): Record the affected pseudos in spilled_pseudos. - - (reload_as_needed): Lose FIRST arg. All callers changed. - Walk the reload_insn_chain instead of the rtx structure. - Delete code to keep track of current basic block. - Rename one of the NEXT variables to OLD_NEXT. - - (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All - callers changed. - (choose_reload_regs): Likewise. - - (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All - callers changed. - - * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout - instead of (MOVE_MAX / UNITS_PER_WORD) computation. - (hard_regs_live, hard_regs_need_restore): Delete variables. - (n_regs_saved): Now static. - (referenced_regs, this_insn_sets): New variables. - - (setup_save_areas): Restructure the code a bit. - - (restore_referenced_regs): Delete function. - (mark_referenced_regs): New function, similar to the old - restore_referenced_regs, but mark registers in referenced_regs. - - (clear_reg_live): Delete function. - (mark_set_regs): Renamed from set_reg_live. All callers changed. - Only mark registers in this_insn_sets. - - (save_call_clobbered_regs): Rework this function to walk the - reload_insn_chain instead of using the list of instructions directly. - Delete code to keep track of register lives, compute live regs on the - fly from information in the chain. - Instead of calling restore_referenced_regs, use mark_referenced_regs, - then walk the set it computes and call insert_restore as appropriate. - - (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All - callers changed. - Restructure the code a bit. Test hard_regs_saved instead of - hard_regs_need_restore. - (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE - args. All callers changed. - Restructure the code a bit. Use TO_SAVE to determine which regs to - save instead of more complicated test. - (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All - callers changed. - Create a new insn_chain structure for the new insn and place it - into the chain. - - * rtl.texi: Update documentation to reflect that reload no longer - puts modes on the insns. - -1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> - - * function.c (purge_addressof_1): Force the first argument of a - CALL insn to memory. - -Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com) - - * rtl.h: Delete duplicate prototypes. Add some missing - prototypes. - * rtlanal.c: (for_each_rtx): Formatting tweak. - -1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> - - * real.c (emdnorm and etoasc): Disable round to even for c4x target - to be compatible with TI compiler. - - * Makefile.in (USER_H): Add va-c4x.h to definition. - -Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com> - - * function.c (purge_addressof_1): Fix typo in inequality: do - bitfield optimization for equal mode sizes. - * expmed.c (store_bit_field): Don't take subregs of subregs in - the movstrict case. Tidy a potential problem in the multi-word case. - (extract_bit_field): Likewise. - -Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * flow.c (find_basic_blocks): Emit NOPs after normal calls in this - function. - Compute max_uid_for_flow by calling get_max_uid after the scan. - (find_basic_blocks_1): Don't emit NOPs here. - -Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com> - - * alias.c (base_alias_check): Accept new args for the modes of the - two references. Use them to determine if an AND can overlap. Update - all callers. - (memrefs_conflict_p): Assume sizes are aligned, and uses them - to determine if an AND can overlap. - -Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com> - - * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16 - check. Add comment to document problems with TARGET_SUN_FPA version - of this macro. - * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves. - -Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * Makefile.in (gencheck.o): Depend on gansidecl.h. - - * c-common.c (print_char_table): Add missing initializers. - (scan_char_table): Likewise. - (time_char_table): Likewise. - - * c-decl.c (c_decode_option): Mark parameter `argc' with - ATTRIBUTE_UNUSED. - (declare_parm_level): Mark parameter `definition_flag' with - ATTRIBUTE_UNUSED. - - * c-lex.c (readescape): Use `(unsigned)1' in shift. - (yylex): Likewise. Cast `sizeof' to an (int) when comparing - against one. - - * calls.c (store_one_arg): Remove unused parameter `fndecl'. All - callers changed. - (emit_call_1): Mark parameters `fndecl' and `funtype' with - ATTRIBUTE_UNUSED. - (expand_call): Cast result of MIN() to (unsigned int) when - comparing against an unsigned value. - - * cccp.c (pcfinclude): Remove unused parameter `limit'. All - callers changed. - (make_definition): Remove unused parameter `op'. All callers - changed. - (create_definition): Cast REST_EXTENSION_LENGTH to (long) when - comparing against the result of pointer arithmetic. - - * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned) - when comparing against one. - - * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and - HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against - one. - (output_die): Move variable `i' into the scope in which it is - used. Change its type to `unsigned'. - (output_die): Cast the result of `strlen' to (int) when passing it - to ASM_OUTPUT_ASCII(). - (output_pubnames): Likewise. - (output_line_info): Likewise. - - * emit-rtl.c (global_rtl): Add missing initializers. - - * explow.c (promote_mode): Mark parameter `for_call' with - ATTRIBUTE_UNUSED. - - * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to - `unsigned HOST_WIDE_INT' when comparing against one. - (synth_mult): Change type of variable `cost' to int. - (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift. - - * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned) - when comparing against one. - (get_inner_reference): Change variable `alignment' to unsigned. - (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned - int) when comparing against one. - (expand_builtin_setjmp): Change type of variable `i' to size_t. - - * fold-const.c (div_and_round_double): Cast BASE to - (HOST_WIDE_INT) when comparing against one. - - * gencheck.c: Include gansidecl.h. - (main): Mark parameter `argv' with ATTRIBUTE_UNUSED. - - * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and - `tcode' with ATTRIBUTE_UNUSED. - - * real.c (edivm): Cast constant value to (unsigned long) in - expression compared against an unsigned value. - - * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when - comparing against one. - (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int) - when comparing against one. - - * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to - (unsigned int) when comparing against one. Likewise for - GET_MODE_BITSIZE. - (smallest_mode_for_size): Likewise. - (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED. - (restore_storage_status): Likewise. - - * toplev.c (debug_args): Add missing initializer. - (f_options): Spelling correction. Add missing initializers. - (documented_lang_options): Likewise. - (debug_end_source_file): Mark parameter `lineno' with - ATTRIBUTE_UNUSED. - - * tree.c (valid_machine_attribute): Mark parameters `attr_args', - `decl' and `type' with ATTRIBUTE_UNUSED. - - * varasm.c (decode_reg_name): Cast `sizeof' expression to (int) - when comparing against one. - (assemble_variable): Mark parameter `top_level' with - ATTRIBUTE_UNUSED. - (assemble_external_libcall): Mark parameter `fun' with - ATTRIBUTE_UNUSED. - (output_constant_pool): Mark parameters `fnname' and `fndecl' with - ATTRIBUTE_UNUSED. - -Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com> - - * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration. - Replace use of r5 with use of r19. - - * config/v850/v850.h (LINK_POINTER_REGNUM): Define. - - * config/v850/v850.c (compute_register_save_size): Allow for the - fact that helper functions save all registers, not just those used - by the function. - - Replace constant 31 with macro LINK_POINTER_REGNUM. - - * config/v850/v850.md: Use 'indirect_operand' rather than - 'memory_operand' for bit test/set/clear patterns. - -Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com> - - * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL. - * varasm.c (assemble_start_function et al): Don't call - ASM_GLOBALIZE_LABEL for weak symbols. - -Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com> - - * cse.c (equiv_constant): Check for NULL return from - gen_lowpart_if_possible(). - -Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com) - - * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands. - - * collect2.c (main): Pass -EL/-EB through to the compiler. - -1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> - - * expr.c (push_block): Handle targets where the stack grows - to higher addresses, but args grow to lower addresses and - ACCUMULATE_OUTGOING_ARGS is not defined. - -Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com> - - * config/v850/v850.c (print_operand): Extend meaning - of 'c' operands to support .vtinherit. - -Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * config/c4x/c4x.c: Convert to gen_rtx_FOO. - Added ATTRIBUTE_UNUSED to unused function arguments. - (rc_reg_operand): New predicate. - (c4x_rptb_insert): New function. - (c4x_rptb_nop_p): Recognize modified rptb_top pattern. - (c4x_optimization_options): New function. - - * config/c4x/c4x.md: Convert to gen_rtx_FOO. - (decrement_and_branch_on_count): New pattern. - (rptb_top): Modified pattern to work with BCT optimization. - - * config/c4x/c4x.h (RC_REG): New register class. - (rc_reg_operand): Define prototype. - (IS_RC_REG): New macro. - (IS_RC_OR_PSEUDO_REG): New macro. - (IS_RC_OR_PSEUDO_REGNO): New macro. - (OPTIMIZATION_OPTIONS): Define. - -Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com> - - * collect2.c (extract_init_priority): No priority is 65535. - -Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br> - - * Makefile.in (build_tooldir): new variable, same as old - $(tooldir), but without depending on $(libdir)/$(unlibsubdir) - (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/ - (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto - - * configure.in (gxx_include_dir): set default based on unlibsubdir - * Makefile.in (tooldir): ditto - (cccp.o, cpplib.o): use unlibsubdir implicitly through - gxx_include_dir, includedir and tooldir - (protoize.o, unprotoize.o): ditto - -Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com> - - * config/arm/arm.md: Replace (reg 24) with (reg:CC 24). - - * config/arm/thumb.c (thumb_override_options): Add warning about - PIC code not being supported just yet. - -Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com) - - * flow.c: Update comment. - (notice_stack_pointer_modification): New static function. - (record_volatile_insns): Use it. - (mark_regs_live_at_end): Mark the stack pointer as alive - at the end of the function if current_function_sp_is_unchanging - is set. - (life_analysis_1): Set current_function_sp_is_unchanging. - * function.c: Define it. - (init_function_start): Initialize it. - * output.h: Declare it. - * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark - the stack pointer as alive at the end of the function if - current_function_sp_is_unchanging is set. - * i386.c (ix86_epilogue): Optimize the restoring - of the stack pointer. - -Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com> - - * c-pragma.c (handle_pragma_token): If passed a token instead - of a tree, use that as the pack value. - -Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com> - - * flow.c (find_basic_blocks_1): Fix prototype. - -Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com> - - * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros. - (struct tree_decl): New fields no_check_memory_usage. - * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE. - (init_attributes): Register it as a new attribute. - (decl_attributes): Set flags on functions given that attribute. - * c-decl.c (duplicate_decls): Merge new attribute. - * expr.h (current_function_check_memory_usage): Declare new var. - * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c, - pa.c, sparc.c: Replace uses of flag_check_memory_usage with - current_function_check_memory_usage. - * function.h: Add field to struct function. - * function.c (current_function_check_memory_usage): Define it. - (push_function_context_to, pop_function_context_from): Save and - restore it. - (expand_function_start): Set it, based on global flag and function - attribute. - - * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do - check non-automatic variables, to permit detection of writes to - read-only locations in embedded systems without memory management. - * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument - when emitting chkr_set_right_libfunc call, even if the argument is - BLKmode or variable-sized; don't abort. - - * optabs.c (init_optabs): Create Checker and __cyg_profile_* - symbols in Pmode, not VOIDmode. - -Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu> - - * cppexp.c: When forcing unsigned comparisons, cast both sides - of the operation. - - * cpphash.h: Move static declaration of hashtab[]... - * cpphash.c: ...here. - - * cpplib.c: Cast difference of two pointers to size_t before - comparing it to size_t. Cast signed to unsigned - before comparing to size_t. (FIXME: struct argdata should use - unsigned buffer sizes.) - * cpplib.h (struct cpp_reader): Declare token_buffer_size as - unsigned int. (CPP_WRITTEN): Cast return value to size_t. - (CPP_RESERVE): Parenthesize N for evaluation order, cast to - size_t before comparison. - -Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com) - - * flow.c (find_basic_blocks): Delete "live_reachable_p" argument. - (find_basic_blocks_1): Similarly. - * output.h (find_basic_blocks): Fix prototype. - * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to - find_basic_blocks anymore. - -Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com> - - * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro. - (sbitmap_free, sbitmap_vector_free): New macros. - * output.h (rtl_dump_file): Declare. - -Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com) - - * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION. - -Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * fp-bit.c (SFtype): Don't implicitly use int in declaration. - (DFtype): Likewise. - (_fpdiv_parts): Remove unused parameter `tmp', all callers changed. - (divide): Remove unused variable `tmp'. - (si_to_float): Cast numeric constant to (SItype) before comparing - it against one. - -Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk> - - * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use. - * gcc.c (add_preprocessor_option): Correct typo when allocating - memory, sizeof() argument had one too many `*'. - (add_assembler_option): Likewise. - (add_linker_option): Likewise. - * gcov.c (output_data): Likewise. - * local-alloc.c (memref_used_between_p): Likewise. - (update_equiv_regs): Likewise. - * loop.c (strength_reduce): Likewise. - * reg-stack.c (record_asm_reg_life): Likewise. - (subst_asm_stack_reg): Likewise. - * reorg.c (dbr_schedule): Likewise. - -Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> - - * flow.c (life_analysis_1): Break out some functions. - (find_basic_blocks_1): Likewise. Also move some variables out and - make them static. - Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize - new static var nonlocal_label_list with it. - (active_eh_region, nested_eh_region, label_value_list, - nonlocal_label_list): New static variables. - (make_edges, delete_unreachable_blocks, delete_block): New static - functions, broken out of find_basic_blocks_1. - (record_volatile_insns, mark_regs_live_at_end, set_noop_p, - noop_move_p): New static functions, broken out of life_analysis_1. - -Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com> - - * expmed.c (store_bit_field): Pun non-integral str_rtx modes. - Take extra care for op0 now possibly being a subreg. - (extract_bit_field): Likewise. - * function.c (purge_addressof_1): Revert Oct 4 change. Drop - the reg to memory if there is no equal sized integral mode. - * stor-layout.c (int_mode_for_mode): New function. - * machmode.h: Prototype it. - -Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com) - - * global.c (build_insn_chain): Verify no real insns exist past the - end of the last basic block, then exit the loop. - -Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu> - - * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use. - -Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com> - - * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS. - -Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu> - - * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases. - -Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com> - - * flow.c (find_basic_blocks): Correctly determine when a call - is within an exception region. - -Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com) - - * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'. - - * cpplib.h: Protect from multiple inclusions. - * cpplib.c: Fix minor formatting problems. - - * i386/xm-cygwin32.h: Only define POSIX if it is not already defined. - - * jump.c (jump_optimize): Revert accidental patch. - - * Makefile.in (cpplib.o): Use unlibsubdir. - -Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com> - - * loop.c (get_condition): Allow combine when either compare is - VOIDmode. - -Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk> - - * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF. - (init_lex): Initialize ridpointers[RID_BYREF]. - * c-lex.h (enum rid): Add RID_BYREF. - * c-parse.gperf: Add RID_BYREF as a type qualifier. - * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF. - (encode_type_qualifiers): Similarly - * c-gperf.h: Rebuilt. - -Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com) - - * c-common.c (type_for_mode): Only return TItype nodes when - HOST_BITS_PER_WIDE_INT is >= 64 bits. - * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare - when HOST_BITS_PER_WIDE_INT is >= 64 bits. - (init_decl_processing): Only create TItype nodes when - HOST_BITS_PER_WIDE_INT is >= 64 bits. - * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare - when HOST_BITS_PER_WIDE_INT is >= 64 bits. - -Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> - - * stmt.c (n_occurrences): New static function. - (expand_asm_operands): Verify that all constrains match in the - number of alternatives. - Verify that '+' or '=' are at the beginning of an output constraint. - Don't allow '&' for input operands. - Verify that '%' isn't written for the last operand. - * reload.c (find_reloads): Abort if an asm is found with invalid - constraints; all possible problems ought to be checked for earlier. - -Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * flags.h (flag_branch_on_count_reg): Always declare - * toplev.c (flag_branch_on_count_reg): Likewise. - * toplev.c: Fix typos. - - * real.c (c4xtoe): Remove unused variables. Add some missing parens. - (toc4x): Similarly. - -Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com> - - * flow.c (find_basic_blocks): Calc upper bound for extra nops in - max_uids_for_flow. - (find_basic_blocks_1): Add a nop to the end of a basic block when - a trailing call insn does not have abnormal control flow. - * gcse.c (pre_transpout): New variable. - (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it. - (compute_pre_transpout): Calculate it. - (compute_pre_ppinout): Use it to eliminate impossible placements - due to abnormal control flow through calls. - (compute_pre_data): Call compute_pre_transpout. - -Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo. - -Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com> - - * config/mips/mips.md (tablejump_internal3, tablejump_internal4 - and matching define_insns): Tack on a `use' of the table label, so - flow analysis will recognize a tablejump. - -Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com> - - * gcse.c (pre_insert_insn): Tweek to notice that calls do not - always end basic blocks for abnormal edge reasons. - -Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com> - - * config/i386/i386.h: Remove definition of - HANDLE_PRAGMA_PACK_PUSH_POP. - - * config/i386/go32.h: Add definition of - HANDLE_PRAGMA_PACK_PUSH_POP. - - * config/i386/win32.h: Add definition of - HANDLE_PRAGMA_PACK_PUSH_POP. - - * config/i386/cygwin32.h: Add definition of - HANDLE_PRAGMA_PACK_PUSH_POP. - - * c-pragma.c (insert_pack_attributes): Do not insert - attributes unless #pragma pack(push,<n>) is in effect. - -Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com> - - * expr.c (emit_group_store): Handle a PARALLEL destination. - -Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com> - - * gcse.c (pre_insert_insn): When a call ends a bb, insert - the new insns before the argument regs are loaded. - -Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf. - (c-parse.gperf): Update comments describing invocation flags. - (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs). - -1998-10-07 Manfred Hollstein <manfred@s-direktnet.de> - - * reload1.c (reload): Call free before clobbering the memory - locations or constants pointers. - -Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework - for efficiency by checking whether we need to modify the current - stack permission at all. - (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define. - * config/sparc/sparc.c (sparc_initialize_trampoline): Emit - __enable_execute_stack libcall here too if - TRANSFER_FROM_TRAMPOLINE is defined. - * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if - IN_LIBGCC2. - -Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com) - - * Makefile.in (DRIVER_DEFINES): Remove last change. - -Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> - - * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all - insns we're going to copy. - * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX. - - * loop.c (count_one_set): Add prototype. - - * caller-save.c (restore_referenced_regs): Lose mode argument. - (insert_save): Lose mode argument. - (insert_restore): Lose mode argument. - (insert_one_insn): Lose mode argument. - (save_call_clobbered_regs): Lose mode argument. - (setup_save_areas): Take no argument and return void. All callers - changed. - Don't verify validity of memory addresses. - * reload.h (setup_save_ares): Adjust prototype. - (save_call_clobbered_regs): Likewise. - * reload1.c (delete_caller_save_insns): New function. - (caller_save_spill_class): Delete variable. - (caller_save_group_size): Delete variable. - (reload): Call setup_save_areas and save_call_clobbered_regs - in the main loop, before calling calculate_needs_all_insns. - Don't call save_call_clobbered_regs after the loop. - Call delete_caller_save_insns at the end of an iteration if - something changed. - Delete code to manage caller_save_spill_class. - Emit the final note before setting reload_first_uid. - Simplify test that determines whether reload_as_needed gets run. - (calculate_needs): Delete code to manage caller_save_spill_class. - -Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com> - - * collect2.c (main): Initialize ld_file_name. - -Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com> - - * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't - check for flag_function_sections. - -Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * cse.c (insert_regs): Fix bug in Sep 24 change. - -Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * flags.h (flag_dump_unnumbered): Declare. - * toplev.c (flag_dump_unnumbered): Don't declare. - * print-rtl.c (flags.h): Include. - (print_rtl_single): Add return value. - * rtl.h (print_rtl_single): Update declaration. - * flow.c (flag_dump_unnumbered): Don't declare. - (print_rtl_with_bb): Use return value of print_rtl_single. - -Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> - - * loop.c (count_one_set): New static function, broken out of - count_loop_regs_set - (count_loop_regs_set): Call it. - * global.c (mark_reg_store): Handle clobbers here by not calling - set_preference. - (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER - is in fact a clobber. - * integrate.c (process_reg_param): New function, broken out of - expand_inline_function. - (expand_inline_function): Call it. - - - * i386.md (addsidi3_1): Delete unused variable temp. - (addsidi3_2): Likewise. - (clstrstrsi): Delete unused variable addr1. - - * rtl.h: Don't declare any functions also declared in recog.h. - - * Makefile.in (stupid.o): Update dependencies. - (global.o): Likewise. - - * global.c: Include reload.h - (reg_becomes_live): New function. - (reg_dies): New function. - (build_insn_chain): New function. - (global_alloc): Call build_insn_chain before calling reload. - - * reload.h (struct needs): New structure definition. - (struct insn_chain): Likewise. - (reload_insn_chain): Declare variable. - (new_insn_chain): Declare function. - - - * reload1.c (reload_startobj): New variable. - (reload_insn_chain): New variable. - (unused_insn_chains): New variable. - (new_insn_chain): New function. - (init_reload): Initialize reload_startobj, not reload_firstobj. - (reload): Initialize reload_firstobj. - Before returning, free everything on the reload_obstack. - - * stupid.c: Include insn-config.h, reload.h and basic-block.h. - (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber, - current_chain): New variables. - (reg_where_born): Delete variable. - (REG_WHERE_BORN): New macro. - (find_clobbered_regs): New function. - (stupid_life_analysis): Don't allocate/free reg_where_born. - Allocate and free reg_where_born_exact, reg_where_born_clobber, - reg_where_dead_chain. - Use REG_WHERE_BORN instead of reg_where_born. - While processing the insns, build the reload_insn_chain with - information about register lifetimes. - (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born. - (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers - changed. - Compute and information about birth and death of pseudo registers in - reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber. - Delete code to set elements of reg_where_born. - -Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com> - - * tree.def (GOTO_EXPR): Modified documentation. - * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed - goto. - -Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu> - - * unroll.c (loop_iteration_var, loop_initial_value, loop_increment - loop_final_value, loop_comparison_code): No longer static. - (unroll_loop): Delete loop_start_value update. - * loop.h (loop_iteration_var, loop_initial_value, loop_increment, - loop_final_value, loop_comparison_code): Extern. - (loop_start_value): Delete extern. - * loop.c (loop_can_insert_bct, loop_increment, loop_start_value, - loop_comparison_value, loop_comparison_code): Delete. - (loop_optimize): Remove initialization for deleted variables. - (strength_reduce): Delete analyze_loop_iterations call. Only call - insert_bct if flag_branch_count_on_reg set. - (analyze_loop_iterations): Delete. - (insert_bct): Remove iteration count calculation. Move checks for - viable BCT optimization to here. Obtain iteration count from - loop_iterations and correct for unrolling. Check for enough - iteration to be beneficial. Comment out runtime iteration count - case. - (insert_bct): Print iteration count in dump file. Remove - loop_var_mode and use word_mode directly. - - * rs6000.h (processor_type): Add PROCESSOR_PPC604e. - * rs6000.c (rs6000_override_options): Use it. - (optimization_options): Enable use of flag_branch_on_count_reg. - * rs6000.md (define_function_unit): Describe 604e. - -1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> - - * loop.c (move_movables): Corrected threshold calculation for - moved_once registers. - -Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> - - * loop.c (combine_givs_p): Fix test for identical givs. - -Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com> - - * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't - call abort if the function is already defined. - -Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com) - - * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if - truncation is not a no-op. - -Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se> - - * expmed.c (expand_divmod): Don't widen for computing remainder - if we seem to have a divmod pattern for needed mode. - -Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu> - - * cpplib.c (macroexpand): Correct off-by-one error in handling - of escapes. - -Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com> - - * combine.c (expand_field_assignment): Don't do bitwise operations - on MODE_FLOAT; pun to MODE_INT if possible. - -Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com> - scott snyder <snyder@d0sgif.fnal.gov> - - * tlink.c (scan_linker_output): Recognize errors from irix 6.2 - linker. Recognize mangled names in quotes. - -Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz> - - * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64. - (ashlsi3_const1, ashldi3_const1): New combiner patterns. - (ashrsi3_extend, ashrsi3_extend2): New combiner patterns. - (lshrsi3_extend, lshrsi3_extend2): Ditto. - -Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * function.c (purge_addressof_1): If trying to take a sub-word - integral piece of a floating point mode, put it on the stack. - -Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com> - - * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake. - -Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com> - - * PROJECTS: Remove template friends. - - * collect2.c (sort_ids): Remove unused variable. - - * tm.texi (MATH_LIBRARY): Document. - (NEED_MATH_LIBRARY): Remove. - - * varasm.c (assemble_start_function, assemble_variable, weak_finish, - assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too. - -Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu> - - * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize - last_end to 0x7fffffff. - -Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * function.c (purge_addressof_1): Do not perform endianness - corrections on bitpos, who we call will do it for us. - -Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com) - - * h8300.c (WORD_REG_USED): Fix typo. - (initial_offset): Use WORD_REG_USED. - - * h8300.c (handle_pragma): Fix typo. - -Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> - - * caller-save.c (insert_save_restore): Break this function up - into new functions insert_restore, insert_save and insert_one_insn. - All callers changed. - (insert_restore): New function, mostly broken out of - insert_save_restore. - (insert_save): Likewise. - (insert_one_insn): Likewise. - (restore_referenced_regs): New argument BLOCK. All callers changed. - (save_call_clobbered_regs): Don't keep track of basic block boundaries - in this function, do it in insert_one_insn instead. - - * reload1.c (reload): Break out some more pieces into separate - functions. - (dump_needs): New function, broken out of reload. - (set_initial_elim_offsets): Likewise. - (init_elim_table): Likewise. - (update_eliminables): Likewise. - - * global.c (global_alloc): Delete code to manage the scratch_list. - * local-alloc.c (qty_scratch_rtx): Delete. - (scratch_block): Delete. - (scratch_list): Delete. - (scratch_list_length): Delete. - (scratch_index): Delete. - (alloc_qty_for_scratch): Delete. - (local-alloc): Update initialization of max_qty. - Delete code to manage the scratch list. - Delete code to allocate/initialize qty_scratch_rtx. - (block_alloc): Don't allocate quantities for scratches. - Delete code to manage the scratch list. - * regs.h (scratch_list): Delete declaration. - (scratch_block): Delete declaration. - (scratch_list_length): Delete declaration. - * reload1.c (reload): Delete code to manage the scratch list. - (spill_hard_reg): Likewise. - (mark_scratch_live): Delete. - - * recog.c (alter_subreg): Delete declaration. - -1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de> - - * Makefile.in (cccp.o): Fix typo in last patch. - -Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * t-sh (LIB1ASMFUNCS): Add _set_fpscr . - * config/sh/lib1funcs.asm (___set_fpscr): Add. - -Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com) - - * regclass.c (reg_scan_mark_refs): Return immediately if passed a - NULL_RTX as an argument. - - * Makefile.in (unlibsubdir): Define. - (DRIVER_DEFINES): Use unlibsubdir. - (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly. - (stmp-fixinc): Similarly. - -Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> - - * regmove.c (regmove_optimize): Add variable old_max_uid. - At the end of the function, update basic_block_end. - -Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * dwarf2out.c (expand_builtin_dwarf_reg_size): Use - FIRST_PSEUDO_REGISTER as upper bound for last_end, not an - arbitrary constant. - -Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com> - - * config/arm/arm.c: Improve interworking support. - -Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was - copied from reload_out[r] . - -Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu> - - * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work - with more than three size ranges. - - * flow.c (sbitmap_copy): Use bcopy to copy bitmap. - - * rtl.c (mode_name): Add a null string at the end of the array. - (mode_wider_mode): Change type to unsigned char. - (mode_mask_array): New variable. - (init_rtl): Update for mode_wider_mode type change. - - * rtl.h (mode_wider_mode): Change type to unsigned char. - (mode_mask_array): Declare. - (GET_MODE_MASK): Use mode_mask_array. - -Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com> - - * calls.c (expand_call) : Encapsulate code into - copy_blkmode_from_reg. - * expr.c (copy_blkmode_from_reg): New function. - * expr.h (copy_blkmode_from_reg): New function. - * integrate.c (function_cannot_inline_p): We can inline - these now. - (expand_inline_function): Use copy_blkmode_from_reg - if needed. Avoid creating BLKmode REGs. - (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode - object. - -Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com> - - * config/v850/v850.c: Add function prototypes. - Add support for v850 special data areas. - - * config/v850/v850.h: Add support for v850 special data areas. - - * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and - HANDLE_PRAGMA_PACK_PUSH_POP. - (push_alignment): New function: Cache an alignment requested - by a #pragma pack(push,<n>). - (pop_alignment): New function: Pop an alignment from the - alignment stack. - (insert_pack_attributes): New function: Generate __packed__ - and __aligned__ attributes for new decls whilst a #pragma pack - is in effect. - (add_weak): New function: Cache a #pragma weak directive. - (handle_pragma_token): Document calling conventions. Add - support for #pragma pack(push,<n>) and #pragma pack (pop). - - * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP - are defined enable HANDLE_PRAGMA_PACK. - Move 'struct weak_syms' here (from varasm.c). - Add pragma states for push and pop pragmas. - - * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES - if it is defined. - - * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with - HANDLE_GENERIC_PRAGMAS. - - * varasm.c: Move definition of 'struct weak_syms' into - c-pragma.h. - (handle_pragma_weak): Deleted. - - * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP. - - * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP. - - * c-decl.c (start_function): Add invocation of - SET_DEFAULT_DECL_ATTRIBUTES, if defined. - - * tm.texi: Remove description of non-existant macro - SET_DEFAULT_SECTION_NAME. - - (HANDLE_SYSV_PRAGMA): Document. - (HANDLE_PRAGMA_PACK_PUSH_POP): Document. - -Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com> - - * config.sub: Recognize i[34567]86-pc-udk as new target. - * configure.in: Likewise. - * config/i386/t-udk: New file. - * config/i386/udk.h: New file. - -Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com) - - * reorg.c (check_annul_list_true_false): Remove unused variables. - (steal_delay_list_from_target): Add missing "used_annul" variable. - (try_merge_delay_insns): Close out half formed comment. - -Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu> - - * cpplib.c (macroexpand): If arg->raw_before or - arg->raw_after, remove any no-reexpansion escape at the - beginning of the pasted token. Correct handling of whitespace - markers and no-reexpand markers at the end if arg->raw_after. - - * toplev.c (documented_lang_options): Recognize -include, - -imacros, -iwithprefix, -iwithprefixbefore. - * cpplib.c (cpp_start_read): Process -imacros and -include - switches at the same time and in command-line order, after - initializing the dependency-output code. Emit properly nested - #line directives for them. Emit a #line for the main file - before processing these switches, and don't do it again - afterward. - -Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com> - - * function.c (purge_addressof_1): Use bitfield manipulation - routines to handle mem mode < reg mode. - -Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl> - - * reorg.c (try_merge_delay_insns): Account for resources referenced - in each instruction in INSN's delay list before trying to eliminate - useless instructions. Similarly when looking at a trial insn's delay - slots. - - * reorg.c (check_annul_list_true_false): New function. - (steal_delay_list_from_{target,fallthrough}): Call it and also - refine tests for when we may annul if already filled a slot. - (fill_slots_from_thread): Likewise. - (delete_from_delay_slot): Return newly-created thread. - (try_merge_delay_isns): Use its new return value. - -Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com) - - * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is - used to compute a giv or as some other non-counting use. - -Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro. - * local-alloc.c (find_free_reg): Use it. - * global.c (find_reg): Likewise. - * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED. - - * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro. - * caller-save.c (init_caller_save): Use it. - * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE. - -Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu> - - * configure.in: Add --enable-cpplib option which uses cpplib - for cpp, but doesn't link cpplib into cc1. Make help text - capitalization consistent. - * configure: Rebuilt. - -Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com> - - * function.c (gen_mem_addressof): If the address REG is - REG_USERVAR_P make the new REG be so also. - * loop.c (scan_loop): Apply DeMorgan's laws and add documentation - in an attempt to clarify slightly. - -Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com) - - * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF - and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE. - -Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com> - - * toplev.c: Fix last patch. - -Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com> - - * loop.c (get_condition): Fix typo in May 9 change. - -Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com> - - * invoke.texi (-fexceptions): Merge 2 different descriptions. - -Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * toplev.c (documented_lang_options): Spelling corrections. - -Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br> - - * configure.in: new flags --with-ld and --with-as, equivalent - to setting LD and AS environment variables. Test whether - specified arguments are GNU commands, and report them with - checking messages. Use the specified AS for configure - tests too. - * configure: ditto - * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER - * config.in: ditto - * gcc.c (find_a_file): when looking for `as' and `ld', return - the DEFAULT program if it exists - * collect2.c (main): use DEFAULT_LINKER if it exists - - * gcc.c (find_a_file): the test for existence of a full - pathname was reversed - -Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com> - - * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems. - * rs6000.c (output_mi_thunk): Always use a raw jump for now. - -Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com> - - * tree.h (TYPE_BINFO): Document. - -Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com> - - * i386-coff.h (dbxcoff.h): Added. - -Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com> - - * toplev.c: fix bad patch around flag_data_sections. - -Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com> - - * reload1.c (reload): Use reload_address_index_reg_class and - reload_address_base_reg_class when setting - caller_save_spill_class. (Patch generated by Jim Wilson: - wilson@cygnus.com). - -Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com> - - * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs - and ARRAY_TYPEs. Tidy up. Improve support for type-punning. - * expr.c (store_field): Add alias_set parameter. Set the - MEM_ALIAS_SET accordingly, if the target is a MEM. - (expand_assignment): Use it. - (store_constructor_field): Pass 0. - (expand_expr): Likewise. - -Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com> - - * flags.h: Add flag_data_sections. - * toplev.c: Add option -fdata-sections. Add flag_data_sections. - (compile_file): Error if flag_data_sections not supported. - * varasm.c (assemble_variable): Handle flag_data_sections. - * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME. - * config/mips/elf.h: Likewise. - * config/mips/elf64.h: Likewise. - * invoke.texi: Describe -fdata-sections. - -Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org> - - * invoke.texi (-ffloat-store): Clarify that this option - does not affect intermediate results -- only variables. - -Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com) - - * cpp.texi: Update for Fortran usage from Craig. - -Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu> - - * rs6000.c (function_arg_boundary): Revert accidental change on - September 18. - -Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com> - - * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk. - (output_mi_thunk): Declare. - - * rs6000.c (output_mi_thunk): Function to create thunks for MI. - (output_function_profiler): Use r12 for temp, instead of r11 so - that we preserve the static chain register. - -Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com> - - * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums. - -Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * sh.c (gen_shl_sext): Fix case 5. - -Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * reload1.c (reload_combine): Re-add line that got accidentally lost. - -Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid - accessing variables until they are initialized via va_arg(). - -Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * reload1.c (reload_combine): Initialize set before using. - -Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com> - - * sdbout.c (sdbout_field_types): Don't emit the types of fields we - won't be emitting. - -Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com> - - * config/arm/arm.md (insv): Add comment. In CONST_INT case, and - operand3 with mask before using it. Patch provided by Jim Wilson. - -Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz> - - * config/sparc/sparc.c (function_value): Perform the equivalent of - PROMOTE_MODE for ARCH64. - (eligible_for_epilogue_delay): Allow DImode operations in delay - slot of a return for ARCH64. - -Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * sh.md (sqrtsf2): Fix mode of sqrt. - -Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * reload1.c (choose_reload_regs): Also try inheritance when - reload_in is a stack slot of a pseudo, even if we already got a - reload reg. - -Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs. - (reload_cse_regs): New function body: call reload_cse_regs_1, - reload_combine, reload_cse_move2add. - When doing expensive_optimizations, call reload_cse_regs_1 a - second time after reload_cse_move2add. - (reload_combine, reload_combine_note_store): New functions. - (reload_combine_note_use): New function. - (reload_cse_move2add, move2add_note_store): New functions. - -Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR - reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing. - - Properly keep track of first RELOAD_FOR_X_ADDRESS also for - more than 3 such reloads. - - If there is not more than one RELOAD_FOR_X_ADDRESS, don't change - RELOAD_FOR_X_ADDR_ADDR reload. - -Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * expr.c (store_constructor): When initializing a field that is smaller - than a word, at the start of a word, try to widen it to a full word. - - * cse.c (cse_insn): When we are about to change a register, - remove any invalid references to it. - - (remove_invalid_subreg_refs): New function. - (mention_regs): Special treatment for SUBREGs. - (insert_regs): Don't strip SUBREG for call to mention_regs. - Check if reg_tick needs to be bumped up before that call. - (lookup_as_function): Try to match known word_mode constants when - looking for a norrower constant. - (canon_hash): Special treatment for SUBREGs. - -Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define. - * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is - defined, emit libcall to __enable_execute_stack. Also fix opcodes - and offsets in actual stack trampoline code so they match the - commentary and actually work. - -Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz> - - * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for - tmake_file. - (sparc64-*-linux): Use t-linux and sparc/t-linux64 for - tmake_file. Set extra_parts to needed crt objects. - * configure: Rebuilt. - * config/sparc/linux64.h (SPARC_BI_ARCH): Define. - (TARGET_DEFAULT): Set if default is v9 or ultra. - (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros. - (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH. - (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise. - (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC, - LINK_SPEC, LINK_ARCH_SPEC): Likewise. - (TARGET_VERSION): Define. - (MULTILIB_DEFAULT): Define. - * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that - mixed 32/64 bit compilers based upon SPARC_BI_ARCH work. - (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define - appropriately. - (TARGET_SWITCHES): Allow ptr32/ptr64 options once more. - * config/sparc/sparc.c (sparc_override_options): If arch and - pointer size disagree, emit diagnostic and fix it up. If - SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off - V8PLUS in 64-bit mode. - * config/sparc/t-linux64: New file. - * config/sparc/t-sol2-64: New file. - * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS. - * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define. - (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC, - CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define. - (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those. - (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC): - Define. - (STARTFILE_SPEC): Set approriately based upon those. - (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon - disposition of DEFAULT_ARCH32_P. - (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define. - (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those. - (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P. - (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH. - * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on - arch64/v9. - * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise. - -Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com> - - * rtl.h (init_virtual_regs): New function. - * emit-rtl.c (init_virtual_regs): Define. - (insn_emit): Use it. - * integrate.c (save_for_inline_copying): Likewise. - -Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com> - - * config/arm/thumb.h: The following patches were made by Jim Wilson: - (enum reg_class): Add NONARG_LO_REGS support. - (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS, - PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise. - (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload - completes. Re-enable HImode REG+OFFSET addresses. - (LEGITIMIZE_RELOAD_ADDRESS): Define. - - * expmed.c (extract_bit_field): Add comment from Jim Wilson. - -Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com> - - * alpha.c (get_aligned_mem): Revert Sep 20 change. - (alpha_set_memflags, alpha_set_memflags_1): Likewise. - (alpha_align_insns): Properly calculate initial offset wrt max_align. - -Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com) - - * arm.c (find_barrier): Revert change of Apr 23. Handle table - jumps as a single entity, taking into account the size of the - table. - -Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com> - - * tree.def (SWITCH_EXPR): New tree node definition. - -Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com) - - * configure.in: Recognize i[34567]86-*-openbsd* and handle it like - NetBSD. - -Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com) - - * Revert this patch. - * reload.c (find_reloads): Do not replace a pseudo with - (MEM (reg_equiv_addr)) in the initializing insn for the - pseudo. - -Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu> - - * final.c (final_scan_insn): Disable tracking CC across branches. - -Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com> - - * expr.h (eh_rtime_match_libfunc): New extern declaration. - * optabs.c (init_optabs): Set eh_rtime_match_libfunc. - * except.c (start_catch_handler): Use eh_rtime_match_libfunc. - * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is - NULL. Only include <stdio.h> if inhibit_libc is not defined. - -Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com> - - * toplev.c (rest_of_compilation): Skip compiling anything with - DECL_EXTERNAL set, not just if it has DECL_INLINE as well. - -Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com> - - * flow.c (find_basic_blocks): Delete check for in_libcall_block when - prev_code is a CALL_INSN. Change check for REG_RETVAL note to - use in_libcall_block. - (find_basic_blocks_1): Delete check for in_libcall_block when prev_code - is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code - to INSN. - -Mon Sep 21 14:02:23 1998 - - * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix - typo in no-fancy-math-387 description. - -Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com> - - * i386-coff.h (DBX_DEBUGGING_INFO): Added. - -Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com> - - * i386.h: (TARGET_SWITCHES) Add description fields for flags - documented in install.texi. - (TARGET_OPTIONS) Likewise. - -Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com> - - * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT (). - * cccp.c (main): Likewise. - - * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h: - Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some - macro-use bugs. - -Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com> - - * Makefile.in (LIBS): Link in libiberty.a. - * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy. - -Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com> - - * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use - it to update bb boundaries. Update caller. - * function.c (reposition_prologue_and_epilogue_notes): Update - bb boundaries wrt the moved note. - -Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com> - - * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder - problems. - * configure: Regenerate. - -Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com> - - * alpha.c (alpha_sr_alias_set): New variable. - (override_options): Set it. - (alpha_expand_prologue, alpha_expand_epilogue): Use it. - (mode_mask_operand): Fix signed-unsigned comparision warning. - (alpha_expand_block_move): Likewise. - (print_operand): Likewise. - (get_aligned_mem): Use change_address. - (alpha_set_memflags, alpha_set_memflags_1): Set the alias set. - (alphaev4_insn_pipe, alphaev4_next_group): New functions. - (alphaev4_next_nop, alphaev5_next_nop): New functions. - (alpha_align_insns): Remade from old alphaev5_align_insns - to handle multiple processors. - (alpha_reorg): Call alpha_align_insns for both ev4 and ev5. - * output.h (label_to_alignment): Prototype. - - * tree.c (new_alias_set): New function. - * tree.h (new_alias_set): Declare it. - * c-common.c (c_get_alias_set): Use it. - -Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com> - - * fold-const.c (fold): Yet another COND_EXPR bug: when folding - to an ABS expr, convert an unsigned input to signed. - -Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com) - - * fold-const.c (fold): Fix another type in COND_EXPR handling code. - -1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * configure.in: Add support for c4x targets. - * configure: Rebuilt. - -Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com> - - * combine.c (distribute_notes): If an insn is a cc0 user, only - delete it if we can also delete the cc0 setter. - -Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org> - - * fold-const.c (fold): Fix typo in COND_EXPR handling code. - (invert_truthvalue): Enable truthvalue inversion for - floating-point operands if -ffast-math. - -Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca> - - * configure.in: Disable collect2 for nextstep. Instead use - crtbegin/crtend. - * configure: Rebuilt. - * config/nextstep.h (STARTFILE_SPEC): Add crtbegin. - (ENDFILE_SPEC): Define. - (OBJECT_FORMAT_MACHO): Define. - (EH_FRAME_SECTION_ASM_OP): Define. - * crtstuff.c: Handle MACHO. - -Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com> - - * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define. - -1998-09-19 Torbjorn Granlund <tege@matematik.su.se> - - * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0. - (_fpadd_parts): Get sign right for 0. - -1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz> - - * ginclude/varargs.h: Add support for C4x target. - * ginclude/stdargs.h: Likewise. - -Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com> - - * alpha.c (alpha_return_addr): SET should be VOIDmode. - (alpha_emit_set_long_const): Rewrite to be callable from reload - and 32-bit hosts. - (alpha_expand_epilogue): Update for alpha_emit_set_long_const. - * alpha.md (movdi): Likewise. - -Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com) - - * arm.c (add_constant): New parameter address_only, change caller. - Set it non-zero if taking the address of an item in the pool. - (arm_reorg): Handle cases where we need the address of an item in - the pool. - - * arm.c (bad_signed_byte_operand): Check both arms of a sum in - a memory address. - * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle - memory addresses that are not in standard canonical form. - -Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz) - - * README.C4X: New file with information about the c4x ports. - * ginclude/va-c4x.h: New file for c4x varargs support. - * config/c4x: New directory with c4x port files. - -Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com) - - * reload.c (find_reloads): Do not replace a pseudo with - (MEM (reg_equiv_addr)) in the initializing insn for the - pseudo. - -Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu> - - * toplev.c (rest_of_compilation): Set bct_p on second call to - loop_optimize. - * loop.c (loop_optimize, scan_loop, strength_reduce): New argument - bct_p. - (strength_reduce): Only call analyze_loop_iterations and - insert_bct if bct_p set. - (check_dbra_loop): Fix typo. - (insert_bct): Use word_mode instead of SImode. - (instrument_loop_bct): Likewise. Do not delete iteration count - condition code generation insn. Initialize iteration count before - loop start. - * rtl.h (loop_optimize): Update prototype. - - * ginclude/va-ppc.h (va_arg): longlong types in overflow area are - not doubleword aligned. - - * rs6000.c (optimization_options): New function. - (secondary_reload_class): Only call true_regnum for PSEUDO_REGs. - * rs6000.h (OPTIMIZATION_OPTIONS): Define. - (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters - first; cr1 can be used for FP record condition insns. - -Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com> - - * config/m32r/m32r.h (m32r_block_immediate_operand): Add to - PREDICATE_CODES. - - * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal" - patterns. - - * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p' - operators. - (block_move_call): New function: Call a library routine to copy a - block of memory. - (m32r_expand_block_move): New function: Expand a "movstrsi" - pattern into a sequence of insns. - (m32r_output_block_move): New function: Expand a - "movstrsi_internal" pattern into a sequence of assembler opcodes. - (m32r_block_immediate_operand): New function: Return true if the - RTL is an integer constant, less than or equal to MAX_MOVE_BYTES. - -Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com> - - * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and - re-align some code. - * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>. - -Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * regmove.c (copy_src_to_dest): Check that modes match. - -Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com> - - * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF. - -Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com> - - * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class - narrower than FLOAT_REGS. - -Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br> - - * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR - * cccp.c: ditto - * Makefile.in (old_gxx_include_dir): removed - -Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com> - - * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match - new specification. - - * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma(). - (sh_handle_pragma): Change function arguments to match new - specification for HANDLE_PRAGMA. - -Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to - `unsigned char'. - (main): Mark parameter `argc' with ATTRIBUTE_UNUSED. - When generating output, initialize missing struct member to zero. - -Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * regmove.c (copy_src_to_dest): Don't copy if that requires - (a) new register(s). - -Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * global.c (reg_allocno): Now static. - * reload1.c (reg_allocno): Delete declaration. - (order_regs_for_reload): Take no arguments. Don't treat regs - allocated by global differently than those allocated by local-alloc. - -Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl> - - * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q - condition, fix format strings. - (output_function_epilogue): Likewise. - - * m68k/m68k.c: Don't include <stdlib.h> directly. - -Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au> - - * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set, - mem_first_set, mem_last_set; because 0 can be a CUID. - (oprs_unchanged_p): Use new definition. - (record_last_reg_set_info): Likewise. - (record_last_mem_set_info): Likewise. - (compute_hash_table): Likewise. - -Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com) - - * rs6000.c (output_epilogue): Handle Chill. - - * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define. - * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define. - - * combine.c (make_extraction): If no mode is specified for - an operand of insv, extv, or extzv, default it to word_mode. - (simplify_comparison): Similarly. - * expmed.c (store_bit_field): Similarly. - (extract_bit_field): Similarly. - * function.c (fixup_var_regs_1): Similarly. - * recog.c (validate_replace_rtx_1): Similarly. - * mips.md (extv, extzv, insv expanders): Default modes for most - operands. Handle TARGET_64BIT. - (movdi_uld, movdi_usd): New patterns. - - * pa.c (emit_move_sequence): Do not replace a pseudo with its - equivalent memory location unless we have been provided a scratch - register. Similarly do not call find_replacement unless a - scratch register has been provided. - -Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants, - return FLOAT_REGS. - -Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com> - - * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill. - (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill. - (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill. - (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New. - * c-decl.c (init_decl_processing): Update accordingly. - * expr.c (expand_builtin): Likewise. - - * rtl.h (global_rtl): Add cfa entry. - (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New. - (LAST_VIRTUAL_REGISTER): Update. - * emit-rtl.c (global_rtl): Add cfa entry. - (init_emit): Initialize it. - * function.c (cfa_offset): New. - (instantiate_virtual_regs): Initialize it. - (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx. - (expand_function_end): Call expand_eh_return. - * tm.texi (ARG_POINTER_CFA_OFFSET): New. - - * except.c (current_function_eh_stub_label): Kill. - (current_function_eh_old_stub_label): Likwise; update all references. - (expand_builtin_set_return_addr_reg): Kill. - (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill. - (expand_builtin_set_eh_regs): Kill. - (eh_regs): Produce a third reg for the actual handler address. - (eh_return_context, eh_return_stack_adjust): New. - (eh_return_handler, eh_return_stub_label): New. - (init_eh_for_function): Initialize them. - (expand_builtin_eh_return, expand_eh_return): New. - * except.h: Update prototypes. - * flow.c (find_basic_blocks_1): Update references to the stub label. - * function.h (struct function): Kill stub label elements. - - * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the - register number is one that would be in the previous window. - Provide a dummy definition for non-windowed targets. - (get_reg_addr): New function. - (get_reg, put_reg, copy_reg): Use it. - (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub - generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa. - - * alpha.c (alpha_eh_epilogue_sp_ofs): New. - (alpha_init_expanders): Initialize it. - (alpha_expand_epilogue): Use it. - * alpha.h: Declare it. - * alpha.md (eh_epilogue): New. - - * m68h.h (ARG_POINTER_CFA_OFFSET): New. - * sparc.h (ARG_POINTER_CFA_OFFSET): New. - -Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com> - - * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant - flag bit mask. - -Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com> - - * except.h (struct eh_entry): Add false_label field. - (end_catch_handler): Add prototype. - * except.c (push_eh_entry): Set false_label field to NULL_RTX. - (start_catch_handler): When using old style exceptions, issue - runtime typematch code before continuing with the handler. - (end_catch_handler): New function, generates label after handler - if needed by older style exceptions. - (expand_start_all_catch): No need to check for new style exceptions. - (output_exception_table_entry): Only output the first handler label - for old style exceptions. - * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching - mechanism into one function, if a runtime matcher is provided. - -Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com> - - * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1. - -Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com> - - * integrate.c (copy_decl_list): Fix typo. - -Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length - attribute. - -Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * invoke.texi (C Dialect Options): Put back missing @end itemize. - -Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br> - - * configure.in: remove usage of `!' to negate the result of a - command; some common shells do not support it - -Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * configure.in: in sparc9-sol2 config, use 'if test' not - brackets. - * configure: Rebuilt. - - * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to - CM_MEDANY. - (CPP_CPU_SPEC): Do not define _LP64, header files do this. - (CPP_CPU_DEFAULT_SPEC): Likewise. - * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right - for arch64 libfuncs. - - * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode - for operand zero. - -Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub. - - * collect2.c: Don't declare `sys_siglist' here. - (my_strsignal): Prototype and define new function. Use it in - place of `sys_siglist' hacks. - - * mips_tfile.c: Likewise. - - * configure.in (AC_CHECK_FUNCS): Check for strsignal. - (GCC_NEED_DECLARATIONS): Likewise. - - * system.h (strsignal): Prototype it, if necessary. - (sys_siglist): Declare it, if necessary. - -Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * loop.c (move_movables): While removing insn sequences, preserve - the next pointer of the most recently deleted insn when we skip - over a NOTE. - -Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com> - - * objc/config-lang.in: Do not output the name of the selected - thread file when building the front-end. The Makefile for the - runtime library will do this. - - * objc/Make-lang.in: Do not build the runtime library or install - the Objective C header files. The Makefile for the runtime - library will do this. - - * objc/Makefile.in (all.indirect): Only build the front-end. - (compiler): Rename to `frontend'. - (obj-runtime): Remove target. - (copy-headers): Likewise. - (clean): No need to remove `libobjc.a' any longer. - -Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com> - - * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines - supported with -mcpu=xxx. - -Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * flow.c (mark_set_1): Recognize multi-register structure return - values in CALL insns. - (mark_used_regs): Likewise. - (count_reg_sets_1): Likewise. - (count_reg_references): Likewise. - * rtlanal.c (note_stores): Likewise. - (reg_overlap_mentioned_p): Likewise. - * haifa-sched.c (check_live_1): Likewise. - (update_live_1): Likewise. - (sched_analyze_1): Likewise. - (sched_note_set): Likewise. - (birthing_insn_p): Likewise. - (attach_deaths): Likewise. - - * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable. - - -Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com> - - * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h. - -Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * glimits.h (__LONG_MAX__): Recognize __sparcv9 too. - -Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz> - - * configure.in: Add check for GAS subsection -1 support. - * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add. - * configure config.in: Rebuilt. - * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use - SImode is subsection -1 works, else use DImode. - (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if - subsection -1 works. - * config/sparc/sparc.c (sparc_output_addr_vec, - sparc_output_addr_diff_vec): Use them if defined. - -Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com> - - * tree.h (DECL_ORIGIN): New macro. - * integrate.c (copy_and_set_decl_abstract_origin): New function. - (copy_decl_list): Use it. - (integrate_parm_decls): Likewise. - (integrate_decl_tree): Likewise. - * dwarf2out.c (decl_ultimate_origin): Simplify. - * dwarfout.c (decl_ultimate_origin): Likewise. - * c-decl.c (duplicate_decls): Use DECL_ORIGIN. - (pushdecl): Likewise. - -Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com> - - * config/rs6000/rs6000.c (output_epilog): Add Java support. - -Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de> - - * invoke.texi (C++ Dialect Options): Document -fhonor-std. - -Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com) - - * reg-stack.c (straighten_stack): Do nothing if the virtual stack is - empty or has a single entry. - - * toplev.c (rest_of_compilation): Open up the dump file for reg-stack - before calling reg_to_stack. - -Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com> - - * alpha.c (alphaev5_insn_pipe): Abort on default case. - (alphaev5_next_group): Swallow CLOBBERs and USEs. - - * c-tree.h (warn_long_long): Declare it. - -Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com> - - * emit-rtl.c (gen_lowpart_common): Disable optimization of - initialized float-int union if the value is a NaN. - -Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org> - - * c-lex.c (real_yylex): Don't warn about long long constants if - we're allowing long long - -Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * except.h (current_function_eh_stub_label): Declare. - (current_function_eh_old_stub_label): Declare. - * function.h (struct function): New members eh_stub_label and - eh_old_stub_label. - * except.c (current_function_eh_stub_label): New variable. - (current_function_eh_old_stub_label): New variable. - (init_eh_for_function): Clear them. - (save_eh_status): Save them. - (restore_eh_status): Restore them. - (expand_builtin_eh_stub): Set current_function_eh_stub_label. - (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label. - * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't - make an edge from the block that contains it to the block starting - with the label if this label is one of the eh stub labels. - If eh stub labels exist, show they are reachable from the last block - in the function. - - * reload1.c (reload): Break out several subroutines and make some - variables global. - (calculate_needs_all_insns): New function, broken out of reload. - (calculate_needs): Likewise. - (find_reload_regs): Likewise. - (find_group): Likewise. - (find_tworeg_group): Likewise. - (something_needs_reloads): New global variable, formerly in reload. - (something_needs_elimination): Likewise. - (caller_save_spill_class): Likewise. - (caller_save_group_size): Likewise. - (max_needs): Likewise. - (group_size): Likewise. - (max_groups): Likewise. - (max_nongroups): Likewise. - (group_mode): Likewise. - (max_needs_insn): Likewise. - (max_groups_insn): Likewise. - (max_nongroups_insn): Likewise. - (failure): Likewise. - - * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET. - -Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com> - - * loop.c (load_mems): Copy rtx for output mem. - -Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com> - - * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for - mips1 or mips2 either. - -Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com) - - * pa.c (pa_reorg): New marking scheme for jumps inside switch - tables. - (pa_adjust_insn_length): Update to work with new marking scheme - for jumps inside switch tables. - * pa.md (switch_jump): Remove pattern. - (jump): Handle jumps inside jump tables. - - * Makefile.in (profile.o): Depend on insn-config.h - -Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com> - - * iris6.h (DWARF2_UNWIND_INFO): Undef. - -Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - Add preliminary native sparcv9 Solaris support. - * configure.in: Recognize sparv9-*-solaris2* - * configure: rebuilt - * config.sub: Recognize sparcv9 just like sparc64. - * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm - config/sparc/sol2-cn.asm: Macroize so it can be shared between - 32-bit and 64-bit Solaris systems. - * config/sparc/t-sol2: Assemble those with cpp. - * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9. - (*TF*_LIBCALL): If ARCH64 use V9 names. - * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files. - -Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz> - - * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation. - (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and - not doing pic. - (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not - Pmode. - * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0 - to Pmode if CASE_VECTOR_MODE is something else. - -Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com) - - * prefix.c (update_path): Correctly handle cases where PATH is - a substring of the builtin prefix, but specifies a different - directory location. - -Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se> - - * expr.c: Corrected comment about what MOVE_RATIO does. - * config/alpha/alpha.h: Ditto. - * config/1750a/1750a.h: Ditto. - * config/clipper/clipper.h: Ditto. - * config/i386/i386.h: Ditto. - -Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com) - - * configure.in (m68k-next-nextstep3*): Use collect2. - Similarly for x86 NeXT configurations. - * configure: Rebuilt. - -Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org> - - * configure.in: Don't assume srcdir is .../gcc - * configure: Rebuilt. - -Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com) - - * global.c: Update comments. - (global_alloc): Assign allocation-numbers - even for registers allocated by local_alloc in case - they are later spilled and retry_global_alloc is called. - (mark_reg_store, mark_reg_clobber, - mark_reg_conflicts, mark_reg_death): Always record a - conflict with a pseudo register even if it has been - assigned to a hard register. - (dump_conflicts): Don't list pseudo registers already assigned to - a hard register as needing to be allocated, but do list their - conflicts. - * local-alloc.c: Update comment. - -Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com) - - * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH. - * configure: Rebuilt. - -Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com> - - * rs6000.c (rs6000_override_options): Fix name for ec603e, to add - missing 'c'. - * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx - for all targets that set -msoft-float. - -Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * toplev.c (print_switch_values): Make static to match prototype. - -Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com) - - * configure.in: If we are unable to find the "gnatbind" program, - then do not configure the ada subdir. - * configure: Rebuilt. - -Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * Makefile.in (toplev.o): Depend on $(EXPR_H). - (insn-extract.o, insn-attrtab.o): Depend on toplev.h. - - * gansidecl.h: Define ATTRIBUTE_NORETURN. - - * genattrtab.c: Have insn-attrtab.c include toplev.h. - - * genextract.c: Have insn-extract.c include toplev.h. - - * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'. - - * toplev.c: Include expr.h. - (really_sorry, fancy_abort): Remove prototypes. - (set_target_switch): Add argument in prototype. - (vfatal): Mark prototype with ATTRIBUTE_NORETURN. - (v_really_sorry): Likewise. - (print_version, print_single_switch, print_switch_values): Make - static and add prototype arguments. - (decl_printable_name): Add prototype arguments. - (lang_expand_expr_t): New typedef. - (lang_expand_expr): Declare as a lang_expand_expr_t. - (incomplete_decl_finalize_hook): Add prototype argument. - (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED. - (botch): Likewise for variable `s'. - (rest_of_type_compilation): Mark variables `type' and `toplev' - with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO, - XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined. - (display_help): Make variable `i' an `unsigned long'. - (main): Remove unused parameter `envp'. - Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'. - Cast -1 when comparing it with a `size_t'. - - * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark - prototype with ATTRIBUTE_NORETURN. - (fatal_insn_not_found, fatal_insn, really_sorry, - push_float_handler, pop_float_handler): Add prototypes. - (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN. - (do_abort, botch): Add prototypes. - -Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu> - - * final.c (final): If a label is reached only from a single jump, - call NOTICE_UPDATE_CC on the jump and its predecessor before - emitting the insn after the label. - - * i386.h: Add AMD K6 support. - Change TARGET_* macros to use table lookup. - (INITIALIZE_TRAMPOLINE): Improve trampoline code. - (ADJUST_COST): Change definition to call function in i386.c. - (ISSUE_RATE): Define as 2 for anything newer than an 80486. - * i386.c: Add AMD K6 support. - Add constants for feature tests used by TARGET_* macros. - (split_di): If before reload, call gen_lowpart and gen_highpart. - (x86_adjust_cost): New function. - (put_jump_code): New function. - (print_operand): New codes 'D' and 'd'. - * i386.md: New insn types. New insn attribute "memory". - Redefine scheduling parameters to use new types and add AMD K6 - support. Explicitly set type of most insns. - (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium - Pro and K6 prefer movl $1,reg to incl reg. - (adddi3, subdi3): Set cc_status. - (DImode shift patterns): Change label counters from HOST_WIDE_INT - to int; x86 can't have more than 2^31 DImode shifts per file. - (setcc): Combine all setcc patterns. Allow writing memory. - Combine all jump patterns using match_operator. - (*bzero): Name pattern. Emit mutliple stos instructions when that - is faster than rep stos. - (xordi3, anddi3, iordi3): Simplify DImode logical patterns and - add define_split. - -Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk> - - * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771 - linking. - -Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com> - - * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence, - not whatever we're generating now. - - * alpha.c (set_frame_related_p, FRP): New. - (alpha_expand_prologue): Mark frame related insns. - (alpha_expand_epilogue): Likewise, but with a null FRP. - * alpha.h (INCOMING_RETURN_ADDR_RTX): New. - * alpha.md (exception_receiver): New. - * alpha/crtbegin.asm (.eh_frame): New beginning. - (__do_frame_setup, __do_frame_takedown): New. - * alpha/crtend.asm (.eh_frame): New ending. - * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define. - (ASM_SPEC): Don't emit both dwarf2 and mdebug. - (ASM_FILE_START): Don't emit .file for dwarf2. - - * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR. - * rtl.c (reg_note_name): Likewise. - * rtl.texi (REG_NOTES): Likewise. - * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store - without an offset. - -Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com> - - * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS. - * i386.md (movsf, movdf, movxf): Validate memory address returned - from force_const_mem. Kill useless REG_EQUAL setting code. - -Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se> - - * m68k.md (zero_extendsidi2): Fix typo. - -Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se> - - * configure.in: Removed references to the removed file - * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for - * arm*-*-netbsd* and ns32k-*-netbsd*. - * config/i386/xm-netbsd.h: Removed unnecessary file. - * config/m68k/xm-netbsd.h: Likewise. - * config/sparc/xm-netbsd.h: Likewise. - * config/mips/xm-netbsd.h: Likewise. - -Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu> - - * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define. - (PCC_BITFIELD_TYPE_MATTERS): Define to be 0. - - * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for - for exact section attributions. - - * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc - runtime. - * i386/crtdll.h (CPP_PREDEFINES): Define. - -Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com) - - * m68k.md (5200 movqi): Do not allow byte sized memory references - using address regs. - * m68k.c (output_move_qimode): Do not use byte sized operations on - address registers. - - * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide - explicit rules for building. Similarly for alloca, vfprintf, - choose-temp and mkstemp, getopt, getopt1, and obstack. - (INCLUDES): Add $(srcdir)/../include. - * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete. - * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise. - -Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com> - - * gcc.c (do_spec_1): [case 'o'] Account for - lang_specific_extra_outfiles. - (main): Correctly clear all slots in outfiles for - lang_specific_extra_outfiles. Set input_file_number before - calling lang_specific_pre_link. - -Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com> - - * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call. - -Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sparc.c (output_double_int): In all V9 symbolic - cases, use xword. - (sparc_output_deferred_case_vectors): If no work to do, return. - Fix thinko in Sept 1 change. - -1998-09-03 SL Baur <steve@altair.xemacs.org> - - * Makefile.in: add semicolon in BISON definition for portability. - -Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl> - - * config/nextstep.c (handle_pragma): Correct name of third - argument. - -Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com> - - * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17). - * config/m32r/m32r.h: Make register 17 be fixed. - * config/m32r/m32r.c: Use SImode for cc operations. - -Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com> - - * invoke.texi (Warning Options): Add -Wnon-template-friend - documentation. - -Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com> - - * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}. - -Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu> - - * rs6000.md (movsf): Disable explicit secondary-reload-like - functionality if TARGET_POWERPC64. - (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like - functionality. - -Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com> - - * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h - and term.h from fixinc.wrap. - -Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is - safe to include both string.h and strings.h together. - (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding - which headers to search for function declarations. Continue to - prefer string.h over strings.h when both are not acceptable. - - * acconfig.h (STRING_WITH_STRINGS): Add stub. - - * configure.in: Call GCC_HEADER_STRING. - - * system.h: Test STRING_WITH_STRINGS when deciding which headers - to include. Continue to prefer string.h over strings.h when both - are not acceptable. - -Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do - not assume top 32-bits of symbolic addresses are zero if - flag_pic. - -Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com> - - * ginclude/va-alpha.h: Protect entire second portion of the - file against double inclusion. - -Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com> - - Added support for the Boehm's garbage collector. - * configure.in: Handle --enable-objc-gc. - * configure: Rebuilt. - * Makefile.in (CHECK_TARGETS): Add check-objc. - (check-objc): New rule. - * objc/Make-lang.in: Build a different Objective-C library that - runs with the Boehm's collector. - * objc/encoding.c (objc_round_acc_size_for_types): New function. - * objc/encoding.c: Correctly compute the size of compound types in - the presence of bitfields. Skip the variable name of the type if - any. Added support for long long. - * objc/encoding.h (_C_GCINVISIBLE): New specifier. - (_F_GCINVISIBLE): New mask. - * objc/gc.c: New file. Compute the type memory mask associated with - a class based on the runtime information. - * objc/misc.c: Added the hooks that use the Boehm's collector - allocation functions. - * objc/objc-act.c (build_class_template): Generate a new class - member (gc_object_type) to hold the class' type memory mask. - (build_shared_structure_initializer): Initialize the new member to - NULL. - (encode_complete_bitfield): New function. Generate the new - encoding. - (encode_field_decl): Generate the new encoding only for the GNU - runtime. - * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the - long long types. - (class_get_gc_object_type): New function to mark a pointer instance - variable as a weak pointer. - * objc/objc-features.texi: New file. - * objc/objc.h (gc_object_type): New class member. - * objc/objects.c (class_create_instance): Create a typed memory - object when compiled with Boehm's collector support. - * objc/sendmsg.c (__objc_init_install_dtable): Call - __objc_send_initialize instead of setting the initialize flag. - (__objc_send_initialize): Call __objc_generate_gc_type_description - to generate the class type memory mask. Rewrite the code that - sends the +initialize so that it is called only once (bug report - and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>). - * testsuite/objc: New testsuite for Objective-C type encoding. - * testsuite/lib/objc-torture.exp: New file. - * testsuite/lib/objc.exp: New file. - -Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com> - - * jump.c (jump_optimize): In if/then/else transformations, add - another call to modified_between_p for the jump insn. - -Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com) - - * fix-header.c (symlink): Treat like readlink. - -Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles - as FT_float. - -Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com> - - * config/nextstep.h: Update HANDLE_PRAGMA macro. - * config/h8300/h8300.h: Update HANDLE_PRAGMA macro. - * config/i960/i960.h: Update HANDLE_PRAGMA macro. - - * config/nextstep.c (handle_pragma): Take three arguments, as per - the new HANDLE_PRAGMA macro specification. - * config/h8300/h8300.c (handle_pragma): Take three arguments, as - per the new HANDLE_PRAGMA macro specification. - * config/i960/i960.c (process_pragma): Take three arguments, as - per the new HANDLE_PRAGMA macro specification. - -Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com> - - * c-lex.c (check_newline): Call HANDLE_PRAGMA before - HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages - if unknown pragmas are encountered. - (handle_sysv_pragma): Interpret return code from - handle_pragma_token (). Return success/failure indication rather - than next unprocessed character. - (pragma_getc): New function: retrieves characters from the - input stream. Defined when HANDLE_PRAGMA is enabled. - (pragma_ungetc): New function: replaces characters back into the - input stream. Defined when HANDLE_PRAGMA is enabled. - - * c-pragma.c (handle_pragma_token): Return success/failure status - of the parse. - - * c-pragma.h: Change prototype of handle_pragma_token(). - - * varasm.c: (handle_pragma_weak): Only create this function if - HANDLE_PRAGMA_WEAK is defined. - - * c-common,c (decl_attributes): If defined call the expression - contained within the INSERT_ATTRIBUTES macro before adding - attributes to a decl. - - * tm.texi (HANDLE_PRAGMA): Document the new verion of - HANDLE_PRAGMA, which takes three arguments. - (INSERT_ATTRIBUTES): Document this new macro. - - * LANGUAGES: Document the new version of HANDLE_PRAGMA and the - new INSERT_ATTRIBUTES macro. - -Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sparc.md (movdf): Only generate special RTL for - LABEL_REFs when PIC. - (move_label_di): Remove - (movdi_pic_label_ref, movdi_high_pic_label_ref, - movdi_lo_sum_pic_label_ref): New patterns for 64-bit label - references when PIC. - * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT, - ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW, - output an .xword for all 64-bit cases. - -Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sparc.c (finalize_pic): Don't output arbitrary - alignment, use FUNCTION_BOUNDARY instead. - (sparc_output_deferred_case_vectors): Likewise. - -Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sparc.md (movsf_const_intreg): Kill warning. - (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives. - -Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com> - - * alpha/va_list.h: New file. - * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h. - -Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com) - - * NEWS: Add SCO Openserver and Unixware 7 notes. - - * NEWS: Fix typos. - -Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com> - - * varasm.c (compare_constant_1): Handle RANGE_EXPR. - (record_constant_1): Handle RANGE_EXPR. - -Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com> - - * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap. - * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START - and NOTE_INSN_RANGE_END specially. - (reemit_notes): Likewise. - -Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'. - (ultrasparc_sched_init): Remove unneeded &. - -Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> - - * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040 - for m68020-60, to prevent the use of fintrz. - -Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com> - - * configure.in: If the native compiler is GCC use $(WARN_CFLAGS) - even in stage1. - * Makefile.in: Likewise. - * configure: Regenerated. - -Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org) - - * configure.in (gxx_include_dir): Changed to - '${prefix}/include/g++'-${libstdcxx_interface}. - * configure: Rebuilt. - -Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se> - - * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use - consistent. - * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move - *sequences* *below* which scalar moves will be used. - -Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com) - - * collect2.c (mktemp): Delete unused declaration. - - * config/xm-netbsd.h: Remove unnecessary file. - * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h - file anymore, it is not needed. - -Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com> - - * convert.c (convert_to_integer): Issue an error on conversions to - incomplete types. - -Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de> - - * Makefile.in: Add lang_tree_files and gencheck.h. - * configure.in: Generate them. - * gencheck.c: Include gencheck.h. - -Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to - movdi_lo_sum_pic and movdi_high_pic and make visible. - * config/sparc/sparc.c (legitimize_pic_address): For -fPIC, - emit these when Pmode is not SImode. - * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW. - -Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu> - - * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit - .linkonce directive after the first time. - -Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com) - - * m68k.md (beq0_di): Generate correct (and more efficient) code when - the clobbered operand overlaps with an input. - (bne0_di): Similarly. - - * Makefile.in (INSTALL): Remove "--no-header" argument. - - * NEWS: Various updates. - -Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sparc.c (arith_operand, const64_operand, - const64_high_operand, arith_double_4096_operand): Mark mode as - unused. - (create_simple_focus_bits): Remove unused arg highest_bit_set, all - callers changed. - (sparc_emit_set_const64): Remove unused variable i. - (sparc_splitdi_legitimate): Likewise for addr_part. - (ultra_code_from_mask): Likewise for mask. - (ultra_cmove_results_ready_p): Fixup entry modulo calc. and - reverse return values so it matches usage and comments. - (ultra_flush_pipeline): Likewise. - (ultra_fpmode_conflict_exists): Likewise, remove unused variable - this_type, and allow loads and stores of differing FP modes as - they do not create a conflict. - (ultra_find_type): Initialize fpmode to SFmode, fix - parenthesization thinkos in large conditional. - (ultrasparc_sched_init): Mark dump and sched_verbose as unused. - Init free_slot_mask after ultra_cur_hist is reset, not before. - (ultrasparc_rescan_pipeline_state): Remove unused variable ucode. - (ultrasparc_sched_reorder): Don't bzero current pipeline state, - use ultra_flush_pipeline instead, then re-init group pointer. - Fix statement with no effect. If no progress made in, and no - instructions scheduled at all, advance to new pipeline cycle else - we get into an endless loop. - (ultrasparc_adjust_cost): Remove previous arg. - * config/sparc/sparc.h (ADJUST_COST): Update to reflect that. - -Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com> - - * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference - code. Use reg_overlap_mentioned_p to detect when source and - destination overlap. - (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands. - -1998-08-28 Brendan Kehoe <brendan@cygnus.com> - - * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not - COMPARISON_VAL, into invariant_p. - -Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * regmove.c (regclass_compatible_p): New function. - (regmove_optimize): Use it. - - Use NREGS parameter insted of calling max_reg_num. - - (fixup_match_1): Don't use code = MINUS when later tieing with - a hard register is likely. - -Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when - COMPARISON_VAL was normalized. - -Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com) - - * loop.c (check_dbra_loop): The loop ending comparison value - must be an invariant or we can not reverse the loop. - - * loop.c (scan_loop): Count down from max_reg_num - 1 to - FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration - of the loop. - (load_mems_and_recount_loop_regs_set): Likewise. - - * i386.c (print_operand): Remove obsolete 'c' docs. - -Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com> - - * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION. - * frame.c (init_object_mutex): New function. - (init_object_mutex_once): Likewise. - (find_fde): Call it. - (__register_frame_info): Likewise. - (__register_frame_info_table): Likewise. - (__deregister_frame_info): Likewise. - -Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com) - - * haifa-sched.c (sched_analyze_insn): Fix thinko in last change. - -Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * loop.c (check_dbra_loop): Enable code for reversal - of some loops without a known constant loop end. - -Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com> - - * haifa-sched.c (last_clock_var): New. - (schedule_block): Initialize it. - (schedule_insn): Use it to fill insn modes with issue information. - - * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit. - Tag trapb and next insn with TImode. - (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New. - (alpha_reorg): Add conditional for alpha_handle_trap_shadows. - Invoke alphaev5_align_insns as appropriate. - * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER. - (MD_SCHED_VARIABLE_ISSUE): New. - * alpha.md (attr type): Add multi. - (define_asm_attributes): New. - (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi. - (arg_home): Likewise. - (fnop, unop, realign): New. - -Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com> - - * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef. - * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define. - - * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*. - (rs6000-ibm-aix4.[12]*): Likewise. - * configure: Regnerate. - -Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com> - - * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it - already contains the return address. - -Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com) - - * calls.c (expand_call): Use bitfield instructions to extract/deposit - word sized hunks when loading unaligned args into registers. - - * haifa-sched.c (sched_analyze_insn): Only create scheduling - barriers for LOOP, EH and SETJMP notes on the loop_notes list. - - * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too. - -Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * loop.c (check_dbra_loop): Add some code that would allow reversal - of some loops without a known constant loop end if it were enabled. - -Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com> - - * mips.md (lshrsi3_internal2+2): Fix type-o. - -Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * system.h: Include stdarg.h/varargs.h, make sure they are ordered - correctly with regards to stdio.h. - - * calls.c: Remove stdarg.h/varargs.h. - * cccp.c: Likewise. - * cexp.y: Likewise. - * combine.c: Likewise. - * cpperror.c: Likewise. - * cpplib.c: Likewise. - * cpplib.h: Likewise. - * doprint.c: Likewise. - * emit-rtl.c: Likewise. - * final.c: Likewise. - * fix-header.c: Likewise. - * gcc.c: Likewise. - * genattr.c: Likewise. - * genattrtab.c: Likewise. - * gencodes.c: Likewise. - * genconfig.c: Likewise. - * genemit.c: Likewise. - * genextract.c: Likewise. - * genflags.c: Likewise. - * genopinit.c: Likewise. - * genoutput.c: Likewise. - * genpeep.c: Likewise. - * genrecog.c: Likewise. - * mips-tfile.c: Likewise. - * prefix.c: Likewise. - * protoize.c: Likewise. - * regmove.c: Likewise. - * toplev.c: Likewise. - * tree.c: Likewise. - -Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz> - - * config/sparc/sparc.c (sparc_override_options): If not - TARGET_FPU, turn off TARGET_VIS. - * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis. - (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS. - * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero. - (movdi_insn_sp64): Add VIS fzero alternative. - (clear_sf, clear_df): New VIS patterns. - (movsf, movdf expanders): Allow fp_zero_operand flat out when - TARGET_VIS. - (one_cmpldi2_sp64): Provide new fnot1 VIS alternative. - -Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com> - - * loop.c (n_times_set, n_times_used, may_not_optimize, - reg_single_usage): Convert to varrays. All uses changed. - (insert_loop_mem): Return a value. - (scan_loop): Tweak AVOID_CC_MODE_COPIES code. - (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if - necessary. - -Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com) - - * From Alexandre: - * configure.in: Do not set thread_file to "irix" since no such - support exists yet. - - * sparc.md (float abs/neg splits): Check reload_completed before - calling alter_subreg. - -Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New - function. - * config/sparc/sparc.h: Declare it. - * config/sparc/sparc.md (float abs/neg splits): Use it. - (all other splits): Handle SUBREGs properly where necessary. - (unnamed (1<<x)-1 V8PLUS pattern): Disable for now. - -Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com) - - * reorg.c (fill_simple_delay_slots): Do not abort if we encounter - an insn on the unfilled_slots_list that has no delay slots. - (fill_eager_delay_slots): Similarly. - -Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com> - - * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX - as an ordinary operand. - -Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com> - - * tree.c (valid_machine_attribute): Don't apply attributes to both - decl and type. - -Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com> - - * reload.c (operands_match_p): Handle rtvecs. - - * i386.c (legitimate_pic_address_disp_p): New. - (legitimate_address_p): Use it. - (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF. - Handle constant pool symbols just like statics. - (emit_pic_move): Use Pmode not SImode for clarity. - (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks. - [UNSPEC]: New, handling what we killed above. - [PLUS]: Detect and abort on invalid symbol arithmetic. - * i386.h (CONSTANT_ADDRESS_P): Remove HIGH. - -Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com> - - * alias.c: Include output.h. - (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as - different if we're in a varargs function. - * Makefile.in (alias.o): Depend on output.h - -Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * sh.h (GIV_SORT_CRITERION): Delete. - -Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com> - - * regclass.c (regclass): Use xmalloc/free instead of alloca. - * stupid.c (stupid_life_analysis): Ditto. - * reload1.c (reload): Ditto. - -Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz> - - * config/sparc/sparc.c (arith_4096_operand, arith_add_operand, - arith_double_4096_operand, arith_double_add_operand): New - predicates. - * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them. - * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use - them to transform add/sub 4096 into add/sub -4096. - -Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * loop.c (scan_loop): Allocate some slop to handle pseudos - generated by move_movables. - (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES - here too. - -Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com> - - * tree.def (DECL_RESULT): Correct documentation. - -Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed - all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR: - conflicts will all RELOAD_FOR_OUTPUT reloads. - - * reload1.c (reload_cse_regs_1): When deleting a no-op move that - loads the function result, substitute with a USE. - -Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu> - - * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64 - when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode. - (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup. - * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4. - (print_operand, cases 'O' and 'T'): Fix typos in lossage strings. - * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT - operand. - (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change - 'o' to 'm' for GPR variant constraints. - -Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com) - - * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES. - - * h8300.h (STRIP_NAME_ENCODING): Fix typo. - - * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect - when the source and destination overlap. - - * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid - clash with global type. - -Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com> - - * fixinc.irix: Add curses.h handling from fixinc.wrap. - - * c-common.c (combine_strings): Also set TREE_READONLY. - Change warn_write_strings to flag_const_strings. - * c-decl.c, c-tree.h: Likewise. - -Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a - CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM - sequence, use SET/IOR instead so CSE can see it. - * config/sparc/sparc.md (movhi_const64_special, - movsi_const64_special): New patterns necessitated by that change. - (movhi_high): Remove. - (movhi_lo_sum): Change to match an IOR. - (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64. - (movdf_insn_v9only): New pattern for when V9 but not ARCH64. - (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64. - (movdf splits): Allow when not V9 or when not ARCH64 and integer - registers are involved. - (snesi_zero_extend split): Remove reload_completed test. - (unnamed plus and minus zero_extend sidi splits): Add it. - -Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com> - - * extend.texi: Remove description of extension to explicit - instantiation that is now endorsed by standard C++. - -Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/arc/arc.c (arc_initialize_pic): Remove. - * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does - nothing on any platform and is invoked by no-one, it does not even - appear in the documentation. - * config/sparc/sparc.h (INITIALIZE_PIC): Likewise. - * config/sparc/sparc.c (initialize_pic): Likewise. - (find_addr_reg): Remove this as well, no longer referenced after - my rewrite. - -Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com) - - * recog.c (validate_replace_rtx_group): New function. - * recog.h (validate_replace_rtx_group): Declare it. - * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo - the entire group of substitutions. - -Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de) - - * loop.c (load_mems): Fix initializers. - -Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sparc.md (TFmode splits): Handle destination - registers being referenced in the address correctly. - - * expmed.c (make_tree) [CONST_INT]: Sign extend even if - TREE_UNSIGNED, when bitsize of type's mode is larger than - HOST_BITS_PER_WIDE_INT. - -Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com> - - * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes. - * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY, - EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New - macros. - * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and - EXIT_BLOCK_EXPR. - -Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com) - - * h8300.c (h8300_encode_label): Use '&' for tiny data items. - * h8300.h (TINY_DATA_NAME_P): Likewise. - (STRIP_NAME_ENCODING): Handle '&'. - - * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the - register (it could be accessed via an outer SUBREG). - (REG_OK_FOR_BASE_P): Likewwise. - (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P. - - * remove.c (optimize_reg_copy_3): Abort instead of silently generating - bogus rtl. - - * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative. - -Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sparc.md (movtf_insn_sp32): All memory operands - must be offsettable so the splits can be made. - -Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com> - - * config/i386/winnt.c: Include system.h, not stdio.h to get - sys/param.h pulled in before rtl.h in case the system defines MIN - and MAX. - -Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu> - - * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX. - -Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com> - - * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for - arrays of bits. - * cpplib.c (cpp_define): Handle macros with parameters. - -Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu> - - * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit. - (output_toc): Use single TOC slot or llong minimal-toc for DFmode - and DImode 64-bit. Use llong for minimal-toc SFmode and - SYMBOL_REF / LABEL_REF 64-bit. - (output_function_profiler): Use llong for profiler label and ld to - load 64-bit label address. - -Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com) - - * config/arm/thumb.md (extendqisi2_insn): Cope with REG + - OFFSET addressing. - -Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com> - - * collect2.c (extract_init_priority): Use atoi instead of strtoul. - -Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se> - - * tm.texi (Misc): Fix typo "teh". - - * tm.texi (PIC): Fix typo "PPIC". - - * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no - effect when -O2 and higher. - * invoke.texi (Optimize Options): Likewise for -fcaller-saves. - -1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz> - - * regclass.c: Changed register set documentation to be consistent - with GCC behaviour. - - * final.c (final_start_function) Removed redundant test for - call_fixed_regs. - -Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com> - - * rtl.h (rtx_function): New type. - (for_each_rtx): New function. - * rtlanal.c (for_each_rtx): Define it. - - * recog.c (change_t): New type. - (change_objects, change_old_codes, change_locs, change_olds): - Replace with ... - (changes): New variable. - (validate_change): Dynamically allocate room for more changes, if - necessary. Uses changes array instead of change_objects, etc. - (apply_change_group): Use changes array instead of - change_objects, etc. - - * loop.c (loop_mem_info): New type. - (loop_mems): New variable. - (loop_mems_idx): Likewise. - (looop_mems_allocated): Likewise. - (scan_loop): Remove nregs parameter. - (next_insn_in_loop): New function. - (load_mems_and_recount_loop_regs_set): Likewise. - (load_mems): Likewise. - (insert_loop_mem): Likewise. - (replace_loop_mem): Likewise. - (replace_label): Likewise. - (INSN_IN_RANGE_P): New macro. - (loop_optimize): Don't pass max_reg_num() to scan_loop. - (scan_loop): Remove nregs parameter, compute it after any new - registers are created by load_mems. Use INSN_IN_RANGE_P and - next_insn_in_loop rather than expanding them inline. Call - load_mems to load memory into pseudos, if appropriate. - (prescan_loop): Figure out whether or not there are jumps from the - loop to targets other than the label immediately following the - loop. Call insert_loop_mem to notice all the MEMs used in the - loop, if it could be safe to pull MEMs into REGs for the duration - of the loop. - (strength_reduce): Use next_insn_in_loop. Tweak comments. - -Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com) - - * arm.c (arm_override_options): Remove lie about ignoring PIC flag. - -Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sparc.c (finalize_pic): Check for the correct - nonlocal_goto_receiver UNSPEC number. - * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment - making note of this dependency existing in sparc.c - (negtf2_notv9 split): Give NEG SFmode. - (negsf2): Fix insn output string. - -Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com> - - * c-common.c (decl_attributes): Issue an error if the argument - to alias is not a string. - -Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com) - - * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last - pending memory flush list. - - * combine.c (can_combine_p): Allow combining insns with REG_RETVAL - notes. - (try_combine): Allow combining insns with REG_LIBCALL notes. - - * expr.c (emit_block_move): Do not call memcpy as a libcall - instead build up a CALL_EXPR and call it like any other - function. - (clear_storage): Similarly for memset. - - * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p - on notes. - - * Makefile.in (cplus-dem.o): Provide explicit rules for building - cplus-dem.o - - * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED - and REG_LIVE_LENGTH as successful substitutions are made. - -Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * config/sparc/sparc.c (ultra_find_type): Add empty semicolon - statement after end of loop label. - -Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sparc.c (ultra_types_avail): New variable. - (ultra_build_types_avail): New function to record mask of insn - types in ready list at this cycle. - (ultrasparc_sched_reorder): Call it. - (ultra_find_type): Use it to quicken the search. Also simplif - dependency check, don't use rtx_equal_p because we know exactly - what we are looking for. - -Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com) - - * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling - for architecture v4. - -Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call - gen_compare_reg. - (movsf_const_intreg, movsf_const_high, movsf_const_lo, - movdf_const_intreg and helper splits): New patterns to move float - constants into integer registers. - (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and - splits. - -Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com) - - * From Graham - * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype - to itype. - * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem. - - * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that - a BASE_REGS register is needed as an intermediate when copying - a symbolic value into any register class other than BASE_REGS. - - * expr.c (move_by_pieces): No longer static. Remove prototype. - * rtl.h (move_by_pieces): Add extern prototype. - * mips.c (expand_block_move): Handle aligned straight line copy by - calling move_by_pieces. - - * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs - and VAR_DECLs. - -Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com> - - * stmt.c (expand_end_loop): Tidy. Allow unconditional - jumps out of the loop to be treated as part of the exit test. - -Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - Jeff Law <law@cygnus.com> - - * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty. - * cplus-dem.c: Delete. - - * Makefile.in (fold-const.o): depend on $(RTL_H). - - * fold-const.c: Include rtl.h to get the prototype for - `set_identifier_local_value'. - - * loop.c (express_from_1): Remove unused variable `tmp'. - (combine_givs): cast the first argument of bzero to char *. - - * toplev.c (display_help): Remove unused variable `looking_for_start'. - - * c-decl.c (init_decl_processing): Remove unneeded &. - - * alpha.h (alpha_initialize_trampoline): Provide prototype. - - * except.c (set_exception_lang_code, set_exception_version_code): - Change parameter from `short' to `int' to avoid using a gcc - extension. - - * except.h (set_exception_lang_code, set_exception_version_code): - Likewise for prototypes. - - * flow.c (count_reg_references): Remove unused variables `regno' - and `i'. - - * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'. - - * prefix.c (translate_name): Cast the result of `alloca'. - - * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement. - -Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> - - * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>. - Include "toplev.h". - (valid_dbcc_comparison_p): Mark mode argument as unused. - (symbolic_operand): Likewise. - (legitimize_pic_address): Likewise. - (const_uint32_operand): Likewise. - (const_sint32_operand): Likewise. - * sched.c [!INSN_SCHEDULING]: Define only dummy function - schedule_insns and comment out rest of file. - - * m68k.c (output_move_simode_const): Use subl to move a zero into an - address register. - (output_move_[hq]imode): Likewise. - -Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com) - - * toplev.c (main): Enable -fstrict-aliasing for -O2 and above. - * invoke.texi: Corresponding changes. - -Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com> - - * regclass.c (allocate_reg_info): Respect MIN when clearing data. - -Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sparc.c (ultra_code_from_mask, - ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists, - ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline, - ultrasparc_sched_init, ultrasparc_variable_issue, - ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New - functions to describe UltraSPARC pipeline exactly to Haifa. - (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost, - as there is nothing the scheduler can do about it. Indicate that - REG_DEP_OUTPUT's collide. Fixup formatting. - * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and - divide costs on Ultra for DImode. - (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE): - Define. - * config/sparc/sparc.md (ieu_unnamed function unit): Rename to - ieuN and add call_no_delay_slot to type list. - (cti function unit): New unit for branches on UltraSPARC. - (subx/addx insns): Set type to misc. - (sidi zero/sign extension insns on arch64): Set type to shift. - (sign_extendhidi2_insn): Set type to sload. - -Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu> - - * rs6000.c (rs6000_stack_info): Use if == 0 for sizes. - (output_epilog): Use if != 0 for offset. - (rs6000_fatal_bad_address): Prepare for Intl. - * rs6000.h (rs6000_fatal_bad_address): Declare. - * rs6000.md (movsfcc, movdfcc): Use else if. - (elf_high): Use {liu|lis}. - (elf_low): Use {cal|la}. Remove %a template from old mnemonics. - (movsi): Use rs6000_fatal_bad_address. - -Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com> - - * reload.c (find_equiv_reg): Reject equivalences separated - by a volatile instruction. - -Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> - - * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define. - -Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com> - - * alpha.md (movsicc): Fix mode mismatch. - -Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org) - - * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated - return type. - * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise. - -Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove - write-only modifier from operand 1 constraint. - -Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If - emitting a XOR of -1 at the end, emit a NOT instead for combine's - sake. - (sparc_emit_set_const64): Likewise, also when computing trailing - bits do not negate low_bits and make fast_int an int. - -Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com) - - * loop.c (add_label_notes): Do not ignore references to labels - before dispatch tables. Mirrors Apr 8 change to mark_jump_label. - * gcse.c (add_label_notes): Similarly. - - * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding. - - * m68k.md (adddi_dilshr32): One of the operands must be a register. - (adddi_dishl32): Similarly. - -Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com> - - * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings. - * alias.c (memrefs_conflict_p): Add braces to shut up warnings. - * cse.c (cse_basic_block): Add parens to shut up warnings. - -Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sparc.c (sparc_emit_set_const64_quick2, - sparc_emit_set_const64_longway, const64_is_2insns, - create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs - in 64-bit constant formation. - * config/sparc/sparc.md (snesi_zero_extend split): Generate - rtl for addx not subx. - (define_insn movdi_const64_special): Make available even when - HOST_BITS_PER_WIDE_INT is not 64. - (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove. - (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand. - (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both - instances of operand 1 inside a QI subreg. - (xordi3_sp64_dbl): Remove '%' constraint for op1. - (one_cmpldi2_sp64): Fix output string. - (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra - alternative case. - (unnamed arch64 ashift DI): Truncate shift count if greater than - 63, not 31. - -Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk> - - * expr.c (store_expr): Don't optimize away load-store pair - when either source or destination have a side effect. - -Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu> - - * genrecog.c (add_to_sequence): Fatal error if the modes of the - operands of SET are incompatible. - - * alpha.md: Fix max and min patterns so modes of SET operands match. - -Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com> - - * configure.in: Avoid [[ by using test and changequote. - * configure: Rebuild. - -Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * rtl.def (CONSTANT_P_RTX): Fix typo in string name. - - * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc, - seqsi_special_extend, snesi_special_extend, snesi_zero_extend and - split, snedi_zero_trunc and split, seqsi_zero_extend and split, - seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di, - movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and - split, addx_extend_sp64, subx_extend_sp64, subx_extend and split): - Fix mismatching modes in SET operands. - (conditional move patterns): Fix formatting. - (unnamed subx arch64 pattern): Remove duplicate insn. - -Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sparc.c (const64_operand, const64_high_operand): - Get it right when HOST_BITS_PER_WIDE_INT is not 64. - (input_operand): Fixup test for what we accept for constant - integers. - (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give - set VOIDmode. - (safe_constDI): Remove. - (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64, - gen_safe_XOR64): New functions. - (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2, - sparc_emit_set_const64_longway, sparc_emit_set_const64): Use - them. - * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make - available when HOST_BITS_PER_WIDE_INT is not 64. - (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and - move before movdi_insn_sp64 pattern. - (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove. - (define_insn sethi_di_medlow, seth44, setm44, sethh): Use - symbolic_operand as predicate for second operand. - (DImode minus split on arch32, negsi2 expander, one_cmplsi2 - expander): Give set VOIDmode. - -Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu> - - * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define. - -Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au> - - * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker. - -Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com) - - * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating - point. - (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly. - -Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com> - - * install.texi: Various SCO OpenServer tweaks. - -Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com> - - * reload1.c (eliminate_regs_in_insn): Handle another case when - eliminating the frame pointer to the hard frame pointer. Add - missing ep->to_rtx check to one existing case. - - * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI. - -Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com> - - * tree.h: De-conditionalize init_priority code. - - * mips.h (NM_FLAGS): Change from -Bp to -Bn. - * collect2.c (NM_FLAGS): Change from -p to -n. - - * configure.in: Turn on collect2 for mipstx39-elf. - Handle use_collect2=no properly. - - * c-common.c: De-conditionalize init_priority code. - * collect2.c (extract_init_priority, sort_ids): New fns. - (main): Call sort_ids. - Move sequence_number to file scope. - - * configure.in: Handle --enable-init-priority. - * c-common.c (attrs): Add A_INIT_PRIORITY. - (init_attributes, decl_attributes): Likewise. - * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros. - * tree.c (get_file_function_name_long): Split out... - (get_file_function_name): ...from here. - -Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de> - - * expr.c (safe_from_p): Change code to ERROR_MARK only when not - accessing nodes. - -Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com> - - * toplev.c (display_help): Add braces to shut up warnings. - * tree.c (simple_cst_equal): Likewise. - - * fold-const.c (non_lvalue): Don't deal with null pointer - constants here. - (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR. - - * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0 - of any size to a pointer. - -Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com> - - * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED. - -Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com) - - * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers - which will be saved. - * mn10300.md (prologue insn): Only save registers which need saving. - (epilogue insn): Similarly. - - * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register" - optimizations. - -Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com> - - * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for - VAR_DECL's in gp addressable sections. - -Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu> - - * sparc.c: Change return <exp> to <exp>; return; in functions - returning void. - * sparc.md: Add empty semicolon statement after final label in - move expanders. - -Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sparc.md (define_insn addx_extend): Rename to - addx_extend_sp64, only allow when TARGET_ARCH64. - (define_insn addx_extend_sp32 and split): Version that works when - not TARGET_ARCH64. - (define_insn subx_extend): Likewise. - (define_split adddi3 and subdi3 with zero extension): Fixup and - correct bugs when not TARGET_ARCH64. - -Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu> - - * except.c (set_exception_lang_code, set_exception_version_code): - Use prototype-style definition if __STDC__, to match declaration - in except.h. - - * genemit.c: Change FAIL and DONE macros not to use loops. - -Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com> - - * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use - ASM_OUTPUT_DWARF2_ADDR_CONST if defined. - - * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16. - -Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk> - - * README.g77: Update from Craig. - -Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of - type HOST_WIDE_INT. - (safe_constDI sparc_emit_set_const64_quick1, - sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway, - analyze_64bit_constant, const64_is_2insns, - create_simple_focus_bits): Fix some bugs when compiled on real - 64-bit hosts. - (function_arg_record_value_3, function_arg_record_value_2, - function_arg_record_value): Add fully prototyped forward decls. - * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back - to cmpsi_insn and use on both 64 and 32 bit targets. - (define_insn cmpsi_insn_sp64): Remove. - (define_expand zero_extendsidi2): Allow for 32-bit target too. - (define_insn zero_extendsidi2_insn): Rename to - zero_extendsidi2_insn_sp64. - (define_insn zero_extendsidi2_insn_sp32): New pattern and - assosciated forced split for it. - - * config/sparc/sparc.c (const64_operand, const64_high_operand): - New predicates. - * config/sparc/sparc.h: Declare them. - (PREDICATE_CODES): Add them. - * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl, - movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them. - -Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu> - - * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt - in v9 case as the latter makes the Solaris assembler crash. - -Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM - for TFmode when !v9. We require offsettable memory addresses. - * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to - DFmode register number conversions. - * config/sparc/sparc.md (define_split DFmode moves): If register - is a SUBREG do alter_subreg on it before using. - (define_expand movtf): Fixup comment about alignment on v9. - (define_split TFmode moves): Don't use gen_{high,low}part, create - explicit SUBREGs instead. - -Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu> - - * Makefile.in (mbchar.o): Depend on mbchar.c. - -Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - Richard Henderson <rth@cygnus.com> - - Rewrite Sparc backend for better code generation and - improved sparc64 support. - * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to - zero. - * config/sparc/sysv4.h: Likewise. - * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand, - move_operand, v8plus_regcmp_op, emit_move_sequence, - singlemove_string, doublemove_string, mem_aligned_8, - output_move_double, output_move_quad, output_fp_move_double, - move_quad_direction, output_fp_move_quad, output_scc_insn): - Remove. - (small_int_or_double): New predicate. - (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission. - (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of - old pic_{sethi,lo_sum}_si patterns. - (mem_min_alignment): New generic function to replace - mem_aligned_8, which uses REGNO_POINTER_ALIGN information when - available and can test for arbitrary alignments. All callers - changed. - (save_regs, restore_regs, build_big_number, - output_function_prologue, output_cbranch, output_return, - sparc_flat_save_restore, sparc_flat_output_function_prologue, - sparc_flat_output_function_epilogue): Prettify - insn output. - (output_function_epilogue): Likewise and add code to output - deferred case vectors. - (output_v9branch): Likewise, add new arg INSN and use it to tack - on branch prediction settings. All callers changed. - (print_operand): Likewise and output %l44 for LO_SUMs when - TARGET_CM_MEDMID. - (sparc_splitdi_legitimate): New function to make sure DImode - splits can be run properly when !arch64. - (sparc_initialize_trampoline, sparc64_initialize_trampoline): - Reformat example code in comments. - (set_extends): Remove UNSPEC/v8plus_clear_high case. - (sparc_addr_diff_list, sparc_addr_list): New statics to keep track - of deferred case vectors we need to output. - (sparc_defer_case_vector): Record a case vector. - (sparc_output_addr_vec, sparc_output_addr_diff_vec, - sparc_output_deferred_case_vectors): New functions to output them. - (sparc_emit_set_const32): New function to form 32-bit constants in - registers when that requires more than one instruction. - (safe_constDI, sparc_emit_set_const64_quick1, - sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway, - analyze_64bit_constant, const64_is_2insns, - create_simple_focus_bits, sparc_emit_set_const64): New functions - which do the same for 64-bit constants when arch64. - (sparc_emit_set_symbolic_const64): New function to emit address - loading for all code models on v9. - * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make - %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0. - (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1. - (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix - inaccuracies in comments, add symbolic and text_segment operands - when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use - GENERAL_REGS in these cases as a temp REG is needed to load these - addresses into a register properly. - (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it - is no longer used. - (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp - quads are guarenteed to have 16-byte alignment. - (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use - copy_to_suggested_reg instead of explicit LO_SUM and HIGH. - (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for - deferred case vector implementation. - (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline. - (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls. - Generate "internal label - label" instead of "label - 1b". - (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID. - (PREDICATE_CODES): Remove sparc_operand, move_operand, - v8plus_regcmp_op. Add small_int_or_double, input_operand, and - zero_operand. - (doublemove_string, output_block_move, output_fp_move_double, - output_fp_move_quad, output_move_double, output_move_quad, - output_scc_insn, singlemove_string, mem_aligned_8, move_operand, - sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs. - (sparc_emit_set_const32, sparc_emit_set_const64, - sparc_emit_set_symbolic_const64, input_operand, zero_operand, - mem_min_alignment, small_int_or_double): Add externs. - * config/sparc/sparc.md: Document the many uses of UNSPEC and - UNSPEC_VOLATILE in this backend. - (define_function_unit ieu): Rename to ieu_unnamed. Add move and - unary to types which execute in it. - (define_function_unit ieu_shift): Rename to ieu0. - (define_function_unit ieu1): New, executes compare, call, and - uncond_branch type insns. - (define_function_units for type fdivs, fdivd, fsqrt): These - execute in the fpu multiply unit not the adder on UltraSparc. - (define_expand cmpdi): Disallow TARGET_V8PLUS. - (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32. - (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it - allows the arith_double_operand predicate and rHI constraint when - TARGET_ARCH64. - (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe, - cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn, - neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn, - sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu, - sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64, - movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64, - movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64, - movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64, - movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn, - cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn, - sign_extendqihi2_insn, sign_extendqisi2_insn, - sign_extendqidi2_insn, sign_extendhidi2_insn, - extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2, - trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2, - floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2, - fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2, - adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64, - subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3, - muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus, - const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3, - smulsi3_highpart_v8plus, unnamed subreg mult, - const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32, - const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32, - const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus, - const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32, - const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3, - udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64, - andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3, - or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64, - xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op, - cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not, - cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not, - cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set, - cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg, - cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not, - cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3, - addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3, - muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2, - negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2, - ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1, - cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt, - ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt, - lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32, - call_symbolic_sp32, call_address_sp64, call_symbolic_sp64, - call_address_struct_value_sp32, call_symbolic_struct_value_sp32, - call_address_untyped_struct_value_sp32, - call_symbolic_untyped_struct_value_sp32, call_value_address_sp32, - call_value_symbolic_sp32, call_value_address_sp64, - call_value_symbolic_sp64, branch_sp32, branch_sp64, - flush_register_windows, goto_handler_and_restore, - goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64, - flush, all ldd/std peepholes, return_qi, return_hi, return_si, - return_addsi, return_di, return_adddi, return_sf, all call+jump - peepholes, trap, unnamed trap insns): Prettify output strings. - (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32, - or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2): - Likewise and force + implement splits for integer cases. - (define_insn return_sf_no_fpu): Likewise and allow to match when - no-fpu because of our subreg SFmode splits. - (define_insn zero_extendqihi2, zero_extendqisi2_insn, - zero_extendqidi2_insn, zero_extendhidi2_insn, - zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use - input_operand for second operand. - (cmp_minus_cc, cmp_minus_cc_set): Likewise and use - reg_or_0_operand for operand 2 so new splits can use it. - (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus, - cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0 - too. - (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow - CONST_DOUBLEs for operand 2. - (define_insn move_label_di): Likewise and label distance - optimization because it no longer works with new deferred case - vector scheme. To be revisited. - (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise - and allow reg_or_0_operand and J constraint for second operand. - (define_insn jump): Set branch predict taken on V9. - (define_insn tablejump): Emit LABEL_REF + PLUS memory address for - new deferred case vector scheme. - (define_insn pic_tablejump_32, pic_tablejump_64): Remove. - (define_insn negdi2_sp32): Force + implement splits. - (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and - one_cmplsi2_not_liveg0 respectively, and create expander of original - names which emit special rtl for TARGET_LIVE_G0. - (define_insn cmpdi_v8plus, scc_si, scc_di): Remove. - (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do - gen_compare_reg, FAIL instead. - (define_insn sgtu, sleu): Likewise and check gen_s*() return - values when trying to reverse condition codes, if they FAIL then - do likewise. - (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend, - snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero, - neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero, - seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0, - x_minus_i_eq_0): Add new splits to perform these multi-insn cases, - set output string to # to indicate they are mandatory splits. - (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di, - pic_sethi_di, move_pic_label_si): Remove. - (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic, - movsi_high_pic, movsi_pic_label_reg): New patterns to take their - place. - (define_expand movsi_pic_label_ref, define_insn - movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New - expander and insns to handle PIC label references and deferred - case vectors. - (define_insn get_pc_via_rdpc): Comment out as it is no longer - used. - (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf): - Rewrite to not use emit_move_sequence, make use of new constant - formation code, and new splits for all multi-insn cases. - (define_insn movqi_insn): Remove sethi case, it can never happen. - Use reg_or_zero_operand instead of const0_rtx explicit test, - use input_operand instead of move_operand for source, and use - general_operand now for dest. - (define_insn movhi_insn): Similar but leave sethi case. - (define_insn lo_sum_qi, store_qi, store_hi): Remove. - (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and - movhi_lo_sum respectively, prettify output string. - (define_insn movsi_zero_liveg0): New pattern to put zero into a - register when needed on TARGET_LIVE_G0. - (define_insn movsi_insn): Use general_operand and input_operand - for dest and src respectively. Simplify applicability test. - Prettify output strings, and add clr alternative for J - constraint. - (define_insn movdi_sp32_v9, movdi_sp32, define_splits for - deprecated std and reg-reg DI moves): Remove and... - (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new - implementation which uses forced splits for all non-single insn - cases. - (define_split DI move cases on !arch64): New splits to handle all - situations of 64-bit double register DImode on 32bit, and - unaligned registers and memory addresses for all subtargets. - (define_insn movsf_const_insn, movdf_const_insn, store_sf): - Remove. - (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and - input_operand for dest and src respectively, prettify output - strings. - (define_insn movdf_insn, movdf_no_e_insn, store_df, - movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove - and... - (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32, - movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn, - movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64, - movtf_no_e_insn_sp64) Replace with new - implementation which uses forced splits for all non-single insn - cases. - (define_split DF move cases): New splits in similar vein to DI - move counterparts. - (define_insn sethi_di_medlow, sethi_di_medium_pic, - sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64, - movdi_sp64_insn): Remove old v9 code model and constant loading - support insns and.. - (define_insn pic_lo_sum_di, pic_sethi_di, - sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow, - seth44, setm44, setl44, sethh, setlm, sethm, setlo, - embmedany_sethi, embmedany_losum, embmedany_brsum, - embmedany_textuhi, embmedany_texthi, embmedany_textulo, - embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl, - movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new - scheme, using unspecs, secondary reloads, and one to one sparc - insn to rtl insn mapping for better scheduling and code gen. - (define_expand reload_indi, reload_outdi): Reload helpers for - MEDANY and EMBMEDANY symbol address loading cases which require a - temporary register. - (define_expand movsicc): Remove v8plus_regcmp cases. - (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, - cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc, - cmp_diqi_trunc_set): New patterns used by some of the new scc - splits on arch64. - (define_insn xordi3_sp64_dbl): New pattern used for constant - formation when crossing from 32-bit targets. - (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper - split): Remove. - (define_insn addx, subx): Make visible and prettify. - (define_insn adddi3_insn_sp32): Likewise and force split. - (define_insn addx_extend, subx_extend, unnamed): New patterns for - 64bit scc split usage. - (define_insn unnamed plusDI zero_extend, unnamed minusDI - zero_extend, subdi3): Force and implement splits. - - * final.c (final_scan_insn): Don't output labels if target - specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations - instead. - - * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end, - don't forget to walk inside SEQUENCESs too as these are what the - delay slot scheduler will create. - -Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com> - - * alpha.md (extxl+1,+2): New patterns to work around - combine lossage. - -Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org) - - * rs6000.c (rs6000_allocate_stack_space) Fix typo which - caused bad assembly code to be generated. - -Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com) - - * netbsd.h: Fix typo. - -Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com> - - * config.sub: Fix typo. - -Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se> - - * invoke.texi (Environment Variables): Typo: Change "ascpects" - into "aspects". - (Running Protoize): Typo: Change "ther" into "other". - -Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com) - - * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO. - * m68k/netbsd.h: Likewise. - * ns32k/netbsd.h: Likewise. - * sparc/netbsd.h: Likewise. - -Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com> - - * ginclude/va-alpha.h (va_list): Use a typedef, not a define. - * ginclude/va-clipper.h (va_list): Likewise. - -Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com> - - * rs6000.c (rs6000_override_options): If big endian and -Os, use - load/store multiple instructions unless user overrides. - -Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com) - - * ns32k/netbsd.h: Fix typo. - -Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com> - - * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number - labels with .debugsym if no parallel insns. - -Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com> - - * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN. - (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap. - -Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu> - - * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete. - (AR_FOR_TARGET): Define. - -Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com> - - * dyn-string.h: New file. - * dyn-string.c: Likewise. - * Makefile.in (OBJS): Add dyn-string.o. - (dwarf2out.o): Add dyn-string.h dependency. - (dyn-string.o): List dependencies. - * dwarf2out.c: Include dyn-string.h. - (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy. - (addr_const_to_string): Take a dyn_string_t, not a char* as a - prototype. Use dyn_string_append rather than strcat, throughout. - (addr_to_string): Use dyn_string_t. - -Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com> - - Function entry/exit profiling instrumentation: - * expr.h (profile_function_entry_libfunc, - profile_function_exit_libfunc): Declare new variables. - * optabs.c: Define them here. - (init_optabs): Initialize them. - * tree.h (struct tree_decl): New flag - no_instrument_function_entry_exit. - (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro. - * c-decl.c (duplicate_decls): Merge it. - * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION. - (init_attributes): Use it for "no_instrument_function". - (decl_attributes): Handle it, for functions that have not yet been - compiled. Set decl flag. - * flags.h (flag_instrument_function_entry_exit): Declare new - variable. - * toplev.c (flag_instrument_function_entry_exit): Define it here. - (f_options): New option "instrument-functions". - * function.h (struct function): New field instrument_entry_exit. - * function.c (current_function_instrument_entry_exit): New - variable. - (push_function_context_to, pop_function_context_from): Save and - restore. - (expand_function_start): Set current_ variable, maybe emit return - label and entry profile call. - (expand_function_end): Maybe emit exit profile call. - -Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com) - - * i386.md (movqi): When optimizing a load of (const_int 1) into a - NON_QI_REG_P, pretend the register is SImode. - -Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org> - - * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist). - Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any - manufacturer id for ns32k. - * configure: Regenerated. - * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too. - * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc. - * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0. - * config/m68k/netbsd.h: Same. - * config/ns32k/netbsd.h: Same. - * config/sparc/netbsd.h: Same. - -Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com) - - * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO - or UNROLL_COMPLETELY loop that starts with a jump to its - exit code. - -Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu> - - * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS. - * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT. - (print_operand, case 'B'): Don't fall through. - (print_operand, case 'S'): Correct mask begin/end computation. - Use HOST_BITS_PER_WIDE_INT. - * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG. - (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT. - * rs6000/aix41.h (CPP_PREDEFINES): Same. - * rs6000/aix43.h (CPP_PREDEFINES): Same. - -Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com> - - * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber - constraint from second alternative. - -Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com> - - * configure.in: Fix --without/--disable cases for local-prefix, - gxx-include-dir and checking. - -Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * configure.in (enable_haifa): Set by default for sparc64 too. - configure: Rebuilt. - -Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com> - - * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro. - * i386/winnt.c (associated_type): New fn. - (i386_pe_valid_type_attribute_p): New fn. - (i386_pe_check_vtable_importexport): Remove. - (i386_pe_dllexport_p): Use associated_type. - (i386_pe_dllimport_p): Likewise. - - From Antonio M. O. Neto <anmendes@cruzeironet.com.br>: - * i386.c (i386_valid_type_attribute_p): Also accept - attributes for METHOD_TYPEs. - -Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de> - - * tree.c (build_range_type): Copy TYPE_SIZE_UNIT. - -Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org> - - * gcc.c: Fix commentary describing %g, %u, %U, and %O. - - * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent - them from generating a new base name for each occurence of - a specific suffix. - -1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com> - - * cse.c (cse_insn): Enable subsitution inside libcall only for REG, - SUBREG, MEM. - * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE. - - - - * cplus-dem.c (type_kind_t): New type. - (demangle_template_value_parm): Add type_kind_t parameter. Rely - on this paramter, rather than demangling the type again. - (demangle_integral_value): Pass tk_integral. - (demangle_template_: Pass the value returned from do_type. - (do_type): Return a type_kind_t. Pass tk_integral to - demangle_template_value_parm for array bounds. - (demangle_fund_type): Likewise. - -Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com> - - * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are - identical. - -Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com) - - * pa.c (move_operand): Accept CONSTANT_P_RTX. - -Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com> - - * stor-layout.c (layout_type): Handle arrays of bits, for Chill. - - * expr.c (get_inner_reference): Handle zero-based, unsigned, array - index conversion. - -Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com) - - * mn10300.h (DEBUGGER_AUTO_OFFSET): Define. - (DEBUGGER_ARG_OFFSET): Likewise. - - * mn10300.md (movsf): Remove last change. Not needed. - -Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com> - - * c-lex.c (yylex): Fix boundary conditions in character literal and - string literal loops. - -Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com> - - * longlong.h (count_leading_zeros): Sparclite scan instruction was - being invoked incorrectly. - - * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation. - * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE): - Add -pg support. - * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration. - * configure.in: Added i[34567]86-*-win32 - * config.sub: Ditto. - * configure: Rebuilt. - -Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org) - - * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating - the frame pointer and compiling PIC code and reload has not completed. - - * i386.c (output_to_reg): Add code to emulate non-popping DImode - case. - -Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com) - - * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head. - -Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> - - * Makefile.in (install-info): Only try to update the info - directory file if it exists in the first place. - -Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de> - - * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete. - -Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com) - - * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle - CONST_DOUBLE source. - -Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com> - - * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm - strings as the insertion of USER_LABEL_PREFIX. - * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a - valid code. - * config/arm/thumb.md: Use %_ as a prefix to gcc library function - calls. - -Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com> - - * dbxout.c (dbxout_range_type): Only call dbxout_type_index for - already defined type. - -Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com) - - * expr.c (check_max_integer_computation_mode): Allow conversions - of constant integers to MAX_INTEGER_COMPUTATION_MODE. - (expand_expr): Likewise. - -Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com> - - * expr.c (expand_expr): Expand RETURN_EXPR. - -Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com> - - * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION. - -Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com> - - * dwarf2out.c (output_aranges): Call stripattributes - for TEXT_SECTION references. - (output_line_info): Likewise. - -Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * profile.c (branch_prob): Call allocate_reg_info after outputting - profile rtl in instrument_arcs. - -Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com> - - * fixinc.irix (math.h): Install wrapper instead of copying. - -Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com> - - * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression - so WFL are expanded correctly when contained in a COMPOUND_EXPR. - * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use - lang_flag_0. Added documentation in the flag table. - -Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de> - - * cccp.c (do_include): Fix vax c style include handling. - -Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com> - - * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays. - -Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com> - - * fold-const.c (non_lvalue): Don't deal with null pointer - constants here. - (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR. - -Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu> - - * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX. - * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX. - * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX. - (u_short_cint_operand): Same. - (reg_or_cint_operand): Same. - (logical_operand): Same. - (input_operand): Same. - (reg_or_short_operand): Use u_short_cint_operand. - -Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com> - - * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands, - but keep the insns and splits. Adjust so when the ultimate destination - is memory, use cvtql. - -Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com> - - * flow.c (regno_uninitialized): Fixed regs are never uninitialized. - -Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com) - - * gcc.c (do_spec): Call "error" not "warning". - - * configure.in: Fix minor problems with gas feature detection code. - * configure: Rebuilt. - - * gcc.c (do_spec): Issue a warning for '%[]' usage. - - * Undo this change. - * gcc.c: Delete %[spec] support. - (do_spec_1, case '('): Likewise. - (do_spec_1, case '['): Call error. - -Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com> - - * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget. - (CPP_SUBTARGET_SPEC): Default to empty string. - (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New. - (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New. - * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker). - * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New. - (LIB_SPEC): Tidy. - * alpha/linux.h (CPP_PREDEFINES): Tidy. - * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New. - * alpha/netbsd.h (CPP_PREDEFINES): Tidy. - * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC. - * alpha/win-nt.h (CPP_PREDEFINES): Likewise. - * alpha/vsf.h (CPP_PREDEFINES): Likewise. - (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC. - * alpha/vxworks.h: Likewise. - -Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com> - - * mips.md (reload_outsi): Added missing REGNO call. - (smulsi3_highpart, umulsi3_highpart): Provide prototype for - function pointer. - (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use - another match_operator and compare the codes. - - * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero. - - * MIPS multiply pattern fixes: - * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): - Add union classes for HI, LO, or HILO plus general registers. - (GENERATE_MADD): Deleted. - * mips.md (mulsi3_mult3): Don't disparage output-LO alternative. - Add TARGET_MAD to condition. - (mulsi3): Test HAVE_mulsi3_mult3, not specific flags. - (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use - "*d" for accumulator, to give preference to LO initially but not - during reload. - -Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com> - - * configure.in (enable_c_mbchar): New configure option. - (extra_cpp_objs): Always available now. - - * cexp.y (mbchar.h): #include it. - (yylex): Handle Multibyte characters in character literals. - - * cccp.c (mbchar.h): #include it. - (main): Set character set based on LANG environment variable. - (rescan): Handle multibyte characters in comments. - (skip_if_group): See above. - (validate_else): See above. - (skip_to_end_of_comment): See above. - (macarg1): See above. - (discard_comments): See above. - (rescan): Handle multibyte characters in string and character literals. - (collect_expansion): See above. - (skip_quoted_string): See above. - (macroexpand): See above. - (macarg1): See above. - (discard_comments): See above. - (change_newlines): See above. - - * c-lex.c (mbchar.h): #include it. - (GET_ENVIRONMENT): New macro. - (init_lex): Set character set based on LANG environment variable. - (yylex): Handle multibyte characters in character literals. - (yylex): Handle multibyte characters in string literals. - - * Makefile.in (mbchar.o): New target. - (cccp$(exeext)): @extra_cpp_objs@ is always available. - (cppmain$(exeext)): @extra_cpp_objs@ is always available. - - * mbchar.[ch]: New files for multibyte character handling. - -Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com> - - * jump.c (jump_optimize): When simplifying noop moves and - PUSH_ROUNDING, fix thinko so we use same criterion for identifying - the PUSHes to rewrite in second loop as we did in the first. - -Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * cplus-dem.c (demangle_nested_args): Make function definition - static to match the prototype. - -Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com> - - * alloca.c: Respect USE_C_ALLOCA. - * gencheck.c (xmalloc): Ignore __GNUC__ for definition. - * gengenrtl.c (xmalloc): Likewise. - -Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com> - - * loop.h (struct induction): Add no_const_addval. - * loop.c (the_movables, reg_address_cost): New variables. - (init_loop): Init reg_address_cost. - (loop_optimize): Call end_alias_analysis. - (scan_loop): Init the_movables. - (record_giv): Init induction->no_const_addval. - (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==. - [REG]: Rearrange loop search test to catch more cases. - (general_induction_var): Return success not benefit; take an extra - argument for that. Change all callers. - (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus. - [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants. - [default]: Search the_movables for additional combinations. - (sge_plus_constant, sge_plus): New functions. - (express_from_1): New function. - (express_from): Always define. Rewrite using express_from_1. - (combine_givs_p): Handle more cases. Ignore address cost. - (cmp_combine_givs_stats): New function. - (combine_givs_used_once, combine_givs_benefit_from): New functions. - (combine_givs): Rewrite to do best-fit combination. - - * fold-const.c (operand_equal_p): Handle RTL_EXPR. - (fold): Do a complete (A*C)+(B*C) association check. - -Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com> - - * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT. - -Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com) - - * mn10300.c (MODES_TIEABLE_P): Fix typo. - -Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com) - - * tree.c (valid_machine_attribute): Only create a new type variant if - there is a decl to use it. - -Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com> - - * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have - a suffix. - -Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se> - - * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may - be deleted" - -Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com) - - * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed. - Simplify tests for clearing an address register. - (expand_prologue): Corresponding changes. - - * mn10300.md (movXX patterns): Make sure the destination is an - ADDRESS_REG when substituting "zero_areg" for (const_int 0). - (logical patterns): Split into expanders + patterns - (zero and sign extension patterns): Similarly. - (shift patterns): Similarly. - -Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com> - - * loop.c (emit_iv_add_mult): Scan the entire insn list generated - for the sequence, recording base values. - -Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com> - - * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix). - -Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com> - - * gcc.c: Remove ANSI-C ism from --help code. - - * toplev.c: Support --help with USE_CPPLIB. - -Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com) - - * configure.in: Rework gas feature code to work with symlink based - source trees. - - * extend.texi: Clarify some issues related to local variables - assigned to explicit registers. - - * mn10300.md (mulsi): Turn into expander + pattern. - - * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a - alternative. - -Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com) - - * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h. - -Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com) - - * version.c: Bump again to distinguish mainline tree from the - egcs-1.1 branch. - -See ChangeLog.0 for earlier changes. - -Local Variables: -add-log-time-format: current-time-string -End: |