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Diffstat (limited to 'gcc/config/m32r/m32r.h')
| -rwxr-xr-x | gcc/config/m32r/m32r.h | 2408 |
1 files changed, 0 insertions, 2408 deletions
diff --git a/gcc/config/m32r/m32r.h b/gcc/config/m32r/m32r.h deleted file mode 100755 index d6e5f4c..0000000 --- a/gcc/config/m32r/m32r.h +++ /dev/null @@ -1,2408 +0,0 @@ -/* CYGNUS LOCAL -- meissner/m32r work */ -/* Definitions of target machine for GNU compiler, Mitsubishi M32R cpu. - Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc. - -This file is part of GNU CC. - -GNU CC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU CC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -/* ??? Create elf.h and have svr4.h include it. */ -#include "svr4.h" - -#undef SWITCH_TAKES_ARG -#undef WORD_SWITCH_TAKES_ARG -#undef HANDLE_SYSV_PRAGMA -#undef SIZE_TYPE -#undef PTRDIFF_TYPE -#undef WCHAR_TYPE -#undef WCHAR_TYPE_SIZE -#undef ASM_FILE_START -#undef ASM_OUTPUT_EXTERNAL_LIBCALL -#undef TARGET_VERSION -#undef CPP_SPEC -#undef ASM_SPEC -#undef LINK_SPEC -#undef STARTFILE_SPEC -#undef ENDFILE_SPEC -#undef SUBTARGET_SWITCHES - -/* M32R/X overrides */ -/* Print subsidiary information on the compiler version in use. */ -#define TARGET_VERSION fprintf (stderr, " (m32r/x)"); - -/* Additional flags for the preprocessor. */ -#define CPP_CPU_SPEC "%{m32rx:-D__M32RX__} %{m32r:-U__M32RX__}" - -/* Assembler switches */ -#define ASM_CPU_SPEC \ -"%{m32r} %{m32rx} %{!O0: %{O*: -O}} --no-warn-explicit-parallel-conflicts" - -/* Use m32rx specific crt0/crtinit/crtfini files */ -#define STARTFILE_CPU_SPEC "%{!shared:crt0.o%s} %{m32rx:m32rx/crtinit.o%s} %{!m32rx:crtinit.o%s}" -#define ENDFILE_CPU_SPEC "-lgloss %{m32rx:m32rx/crtfini.o%s} %{!m32rx:crtfini.o%s}" - -/* Extra machine dependent switches */ -#define SUBTARGET_SWITCHES \ - { "32rx", TARGET_M32RX_MASK, "Compile for the m32rx" }, \ - { "32r", -TARGET_M32RX_MASK, "" }, - -/* A C expression for the maximum number of instructions to execute via - conditional execution instructions instead of a branch. A value of - BRANCH_COST+1 is the default if the machine does not use cc0, and 1 if it - does use cc0. */ -#define MAX_CONDITIONAL_EXECUTE m32rx_cond_exec - -extern char * m32rx_cond_exec_string; -extern int m32rx_cond_exec; - -/* m32rx specific switches that take values */ -#define SUBTARGET_OPTIONS ,{ "cond-exec=", & m32rx_cond_exec_string, \ - "Maximum number of conditionally executed instructions" } - -/* Define this macro as a C expression for the initializer of an array of - strings to tell the driver program which options are defaults for this - target and thus do not need to be handled specially when using - `MULTILIB_OPTIONS'. */ -#define SUBTARGET_MULTILIB_DEFAULTS , "m32r" - -/* Number of additional registers the subtarget defines. */ -#define SUBTARGET_NUM_REGISTERS 1 - -/* 1 for registers that cannot be allocated. */ -#define SUBTARGET_FIXED_REGISTERS , 1 - -/* 1 for registers that are not available across function calls */ -#define SUBTARGET_CALL_USED_REGISTERS , 1 - -/* Order to allocate model specific registers */ -#define SUBTARGET_REG_ALLOC_ORDER , 19 - -/* Registers which are accumulators */ -#define SUBTARGET_REG_CLASS_ACCUM 0x80000 - -/* All registers added */ -#define SUBTARGET_REG_CLASS_ALL SUBTARGET_REG_CLASS_ACCUM - -/* Additional accumulator registers */ -#define SUBTARGET_ACCUM_P(REGNO) ((REGNO) == 19) - -/* Define additional register names */ -#define SUBTARGET_REGISTER_NAMES , "a1" -/* end M32R/X overrides */ - - -/* Print subsidiary information on the compiler version in use. */ -#ifndef TARGET_VERSION -#define TARGET_VERSION fprintf (stderr, " (m32r)") -#endif - -/* Switch Recognition by gcc.c. Add -G xx support */ - -#define SWITCH_TAKES_ARG(CHAR) \ -(DEFAULT_SWITCH_TAKES_ARG (CHAR) || (CHAR) == 'G') - -/* Names to predefine in the preprocessor for this target machine. */ -/* __M32R__ is defined by the existing compiler so we use that. */ -#define CPP_PREDEFINES "-Acpu(m32r) -Amachine(m32r) -D__M32R__" - -/* This macro defines names of additional specifications to put in the specs - that can be used in various specifications like CC1_SPEC. Its definition - is an initializer with a subgrouping for each command option. - - Each subgrouping contains a string constant, that defines the - specification name, and a string constant that used by the GNU CC driver - program. - - Do not define this macro if it does not need to do anything. */ - -#ifndef SUBTARGET_EXTRA_SPECS -#define SUBTARGET_EXTRA_SPECS -#endif - -#ifndef ASM_CPU_SPEC -#define ASM_CPU_SPEC "" -#endif - -#ifndef CPP_CPU_SPEC -#define CPP_CPU_SPEC "" -#endif - -#ifndef CC1_CPU_SPEC -#define CC1_CPU_SPEC "" -#endif - -#ifndef LINK_CPU_SPEC -#define LINK_CPU_SPEC "" -#endif - -#ifndef STARTFILE_CPU_SPEC -#define STARTFILE_CPU_SPEC "%{!shared:crt0.o%s} crtinit.o%s" -#endif - -#ifndef ENDFILE_CPU_SPEC -#define ENDFILE_CPU_SPEC "-lgloss crtfini.o%s" -#endif - -#ifndef RELAX_SPEC -#if 0 /* not supported yet */ -#define RELAX_SPEC "%{mrelax:-relax}" -#else -#define RELAX_SPEC "" -#endif -#endif - -#define EXTRA_SPECS \ - { "asm_cpu", ASM_CPU_SPEC }, \ - { "cpp_cpu", CPP_CPU_SPEC }, \ - { "cc1_cpu", CC1_CPU_SPEC }, \ - { "link_cpu", LINK_CPU_SPEC }, \ - { "startfile_cpu", STARTFILE_CPU_SPEC }, \ - { "endfile_cpu", ENDFILE_CPU_SPEC }, \ - { "relax", RELAX_SPEC }, \ - SUBTARGET_EXTRA_SPECS - -#define CC1_SPEC "%{G*} %(cc1_cpu)" - -/* Options to pass on to the assembler. */ -#define ASM_SPEC "%{v} %(asm_cpu) %(relax)" -#undef ASM_FINAL_SPEC - -#define LINK_SPEC "%{v} %(link_cpu) %(relax)" - -#define STARTFILE_SPEC "%(startfile_cpu)" -#define ENDFILE_SPEC "%(endfile_cpu)" - -#undef LIB_SPEC - -/* Run-time compilation parameters selecting different hardware subsets. */ - -extern int target_flags; - -/* If non-zero, tell the linker to do relaxing. - We don't do anything with the option, other than recognize it. - LINK_SPEC handles passing -relax to the linker. - This can cause incorrect debugging information as line numbers may - turn out wrong. This shouldn't be specified unless accompanied with -O2 - [where the user expects debugging information to be less accurate]. */ -#define TARGET_RELAX_MASK 1 - -/* For miscellaneous debugging purposes. */ -#define TARGET_DEBUG_MASK (1 << 1) -#define TARGET_DEBUG (target_flags & TARGET_DEBUG_MASK) - -/* Align loops to 32 byte boundaries (cache line size). */ -/* ??? This option is experimental and is not documented. */ -#define TARGET_ALIGN_LOOPS_MASK (1 << 2) -#define TARGET_ALIGN_LOOPS (target_flags & TARGET_ALIGN_LOOPS_MASK) - -/* Change issue rate */ -#define TARGET_ISSUE_RATE_MASK (1 << 3) -#define TARGET_ISSUE_RATE (target_flags & TARGET_ISSUE_RATE_MASK) - -/* Target machine to compile for. */ -#define TARGET_M32R 1 - -/* Support extended instruction set. */ -#define TARGET_M32RX_MASK (1 << 4) -#define TARGET_M32RX (target_flags & TARGET_M32RX_MASK) -#undef TARGET_M32R -#define TARGET_M32R (! TARGET_M32RX) - -/* Change branch cost */ -#define TARGET_BRANCH_COST_MASK (1 << 5) -#define TARGET_BRANCH_COST (target_flags & TARGET_BRANCH_COST_MASK) - -/* Macro to define tables used to set the flags. - This is a list in braces of pairs in braces, - each pair being { "NAME", VALUE } - where VALUE is the bits to set or minus the bits to clear. - An empty string NAME is used to identify the default VALUE. */ - -#ifndef SUBTARGET_SWITCHES -#define SUBTARGET_SWITCHES -#endif - -#ifndef TARGET_DEFAULT -#define TARGET_DEFAULT 0 -#endif - -#define TARGET_SWITCHES \ -{ \ -/* { "relax", TARGET_RELAX_MASK }, \ - { "no-relax", -TARGET_RELAX_MASK },*/ \ - { "debug", TARGET_DEBUG_MASK, \ - "Display compile time statistics" }, \ - { "align-loops", TARGET_ALIGN_LOOPS_MASK, \ - "Align all loops to 32 byte boundary" }, \ - { "no-align-loops", -TARGET_ALIGN_LOOPS_MASK, "" }, \ - { "issue-rate=1", TARGET_ISSUE_RATE_MASK, \ - "Only issue one instruction per cycle" }, \ - { "issue-rate=2", -TARGET_ISSUE_RATE_MASK, "" }, \ - { "branch-cost=1", TARGET_BRANCH_COST_MASK, \ - "Prefer branches over conditional execution" }, \ - { "branch-cost=2", -TARGET_BRANCH_COST_MASK, "" }, \ - SUBTARGET_SWITCHES \ - { "", TARGET_DEFAULT } \ -} - -extern char * m32r_model_string; -extern char * m32r_sdata_string; - -#define TARGET_OPTIONS \ -{ \ - { "model=", & m32r_model_string, "Code size: small, medium or large" },\ - { "sdata=", & m32r_sdata_string, "Small data area: none, sdata, use" } \ - SUBTARGET_OPTIONS \ -} - -/* Code Models - - Code models are used to select between two choices of two separate - possibilities (address space size, call insn to use): - - small: addresses use 24 bits, use bl to make calls - medium: addresses use 32 bits, use bl to make calls (*1) - large: addresses use 32 bits, use seth/add3/jl to make calls (*2) - - The fourth is "addresses use 24 bits, use seth/add3/jl to make calls" but - using this one doesn't make much sense. - - (*1) The linker may eventually be able to relax seth/add3 -> ld24. - (*2) The linker may eventually be able to relax seth/add3/jl -> bl. - - Internally these are recorded as TARGET_ADDR{24,32} and - TARGET_CALL{26,32}. - - The __model__ attribute can be used to select the code model to use when - accessing particular objects. */ - -enum m32r_model -{ - M32R_MODEL_SMALL, - M32R_MODEL_MEDIUM, - M32R_MODEL_LARGE -}; - -extern enum m32r_model m32r_model; -#define TARGET_MODEL_SMALL (m32r_model == M32R_MODEL_SMALL) -#define TARGET_MODEL_MEDIUM (m32r_model == M32R_MODEL_MEDIUM) -#define TARGET_MODEL_LARGE (m32r_model == M32R_MODEL_LARGE) -#define TARGET_ADDR24 (m32r_model == M32R_MODEL_SMALL) -#define TARGET_ADDR32 (! TARGET_ADDR24) -#define TARGET_CALL26 (! TARGET_CALL32) -#define TARGET_CALL32 (m32r_model == M32R_MODEL_LARGE) - -/* The default is the small model. */ -#ifndef M32R_MODEL_DEFAULT -#define M32R_MODEL_DEFAULT "small" -#endif - -/* Small Data Area - - The SDA consists of sections .sdata, .sbss, and .scommon. - .scommon isn't a real section, symbols in it have their section index - set to SHN_M32R_SCOMMON, though support for it exists in the linker script. - - Two switches control the SDA: - - -G NNN - specifies the maximum size of variable to go in the SDA - - -msdata=foo - specifies how such variables are handled - - -msdata=none - small data area is disabled - - -msdata=sdata - small data goes in the SDA, special code isn't - generated to use it, and special relocs aren't - generated - - -msdata=use - small data goes in the SDA, special code is generated - to use the SDA and special relocs are generated - - The SDA is not multilib'd, it isn't necessary. - MULTILIB_EXTRA_OPTS is set in tmake_file to -msdata=sdata so multilib'd - libraries have small data in .sdata/SHN_M32R_SCOMMON so programs that use - -msdata=use will successfully link with them (references in header files - will cause the compiler to emit code that refers to library objects in - .data). ??? There can be a problem if the user passes a -G value greater - than the default and a library object in a header file is that size. - The default is 8 so this should be rare - if it occurs the user - is required to rebuild the libraries or use a smaller value for -G. -*/ - -/* Maximum size of variables that go in .sdata/.sbss. - The -msdata=foo switch also controls how small variables are handled. */ -#ifndef SDATA_DEFAULT_SIZE -#define SDATA_DEFAULT_SIZE 8 -#endif - -extern int g_switch_value; /* value of the -G xx switch */ -extern int g_switch_set; /* whether -G xx was passed. */ - -enum m32r_sdata -{ - M32R_SDATA_NONE, - M32R_SDATA_SDATA, - M32R_SDATA_USE -}; - -extern enum m32r_sdata m32r_sdata; -#define TARGET_SDATA_NONE (m32r_sdata == M32R_SDATA_NONE) -#define TARGET_SDATA_SDATA (m32r_sdata == M32R_SDATA_SDATA) -#define TARGET_SDATA_USE (m32r_sdata == M32R_SDATA_USE) - -/* Default is to disable the SDA - [for upward compatibility with previous toolchains]. */ -#ifndef M32R_SDATA_DEFAULT -#define M32R_SDATA_DEFAULT "none" -#endif - -/* Define this macro as a C expression for the initializer of an array of - strings to tell the driver program which options are defaults for this - target and thus do not need to be handled specially when using - `MULTILIB_OPTIONS'. */ -#ifndef SUBTARGET_MULTILIB_DEFAULTS -#define SUBTARGET_MULTILIB_DEFAULTS -#endif - -#ifndef MULTILIB_DEFAULTS -#define MULTILIB_DEFAULTS { "mmodel=small" SUBTARGET_MULTILIB_DEFAULTS } -#endif - -/* Sometimes certain combinations of command options do not make - sense on a particular target machine. You can define a macro - `OVERRIDE_OPTIONS' to take account of this. This macro, if - defined, is executed once just after all the command options have - been parsed. - - Don't use this macro to turn on various extra optimizations for - `-O'. That is what `OPTIMIZATION_OPTIONS' is for. */ - -#ifndef SUBTARGET_OVERRIDE_OPTIONS -#define SUBTARGET_OVERRIDE_OPTIONS -#endif - -#define OVERRIDE_OPTIONS \ -do { \ - /* These need to be done at start up. \ - It's convenient to do them here. */ \ - m32r_init (); \ - SUBTARGET_OVERRIDE_OPTIONS \ -} while (0) - -/* Some machines may desire to change what optimizations are - performed for various optimization levels. This macro, if - defined, is executed once just after the optimization level is - determined and before the remainder of the command options have - been parsed. Values set in this macro are used as the default - values for the other command line options. - - LEVEL is the optimization level specified; 2 if `-O2' is - specified, 1 if `-O' is specified, and 0 if neither is specified. - - SIZE is non-zero if `-Os' is specified and zero otherwise. - - You should not use this macro to change options that are not - machine-specific. These should uniformly selected by the same - optimization level on all supported machines. Use this macro to - enable machbine-specific optimizations. - - *Do not examine `write_symbols' in this macro!* The debugging - options are not supposed to alter the generated code. */ -#ifndef SUBTARGET_OPTIMIZATION_OPTIONS -#define SUBTARGET_OPTIMIZATION_OPTIONS -#endif - -#define OPTIMIZATION_OPTIONS(LEVEL, SIZE) \ -do { \ - if (LEVEL == 1) \ - flag_regmove = TRUE; \ - \ - if (SIZE) \ - { \ - flag_omit_frame_pointer = TRUE; \ - flag_strength_reduce = FALSE; \ - } \ - \ - SUBTARGET_OPTIMIZATION_OPTIONS \ -} while (0) - -/* Define this macro if debugging can be performed even without a frame - pointer. If this macro is defined, GNU CC will turn on the - `-fomit-frame-pointer' option whenever `-O' is specified. This is disabled - because the debugger cannot find the start of a function when optimization - is specified. */ -/* #define CAN_DEBUG_WITHOUT_FP */ - - -/* Target machine storage layout. */ - -/* Define to use software floating point emulator for REAL_ARITHMETIC and - decimal <-> binary conversion. */ -#define REAL_ARITHMETIC - -/* Define this if most significant bit is lowest numbered - in instructions that operate on numbered bit-fields. */ -#define BITS_BIG_ENDIAN 1 - -/* Define this if most significant byte of a word is the lowest numbered. */ -#define BYTES_BIG_ENDIAN 1 - -/* Define this if most significant word of a multiword number is the lowest - numbered. */ -#define WORDS_BIG_ENDIAN 1 - -/* Define this macro if WORDS_BIG_ENDIAN is not constant. This must - be a constant value with the same meaning as WORDS_BIG_ENDIAN, - which will be used only when compiling libgcc2.c. Typically the - value will be set based on preprocessor defines. */ -/*#define LIBGCC2_WORDS_BIG_ENDIAN 1*/ - -/* Number of bits in an addressable storage unit. */ -#define BITS_PER_UNIT 8 - -/* Width in bits of a "word", which is the contents of a machine register. - Note that this is not necessarily the width of data type `int'; - if using 16-bit ints on a 68000, this would still be 32. - But on a machine with 16-bit registers, this would be 16. */ -#define BITS_PER_WORD 32 - -/* Width of a word, in units (bytes). */ -#define UNITS_PER_WORD 4 - -/* Define this macro if it is advisable to hold scalars in registers - in a wider mode than that declared by the program. In such cases, - the value is constrained to be within the bounds of the declared - type, but kept valid in the wider mode. The signedness of the - extension may differ from that of the type. */ -#define PROMOTE_MODE(MODE,UNSIGNEDP,TYPE) \ -if (GET_MODE_CLASS (MODE) == MODE_INT \ - && GET_MODE_SIZE (MODE) < UNITS_PER_WORD) \ -{ \ - (MODE) = SImode; \ -} - -/* Define this macro if the promotion described by `PROMOTE_MODE' - should also be done for outgoing function arguments. */ -/*#define PROMOTE_FUNCTION_ARGS*/ - -/* Likewise, if the function return value is promoted. - If defined, FUNCTION_VALUE must perform the same promotions done by - PROMOTE_MODE. */ -/*#define PROMOTE_FUNCTION_RETURN*/ - -/* Width in bits of a pointer. - See also the macro `Pmode' defined below. */ -#define POINTER_SIZE 32 - -/* Allocation boundary (in *bits*) for storing arguments in argument list. */ -#define PARM_BOUNDARY 32 - -/* Boundary (in *bits*) on which stack pointer should be aligned. */ -#define STACK_BOUNDARY 32 - -/* ALIGN FRAMES on word boundaries */ -#define M32R_STACK_ALIGN(LOC) (((LOC)+3) & ~3) - -/* Allocation boundary (in *bits*) for the code of a function. */ -#define FUNCTION_BOUNDARY 32 - -/* Alignment of field after `int : 0' in a structure. */ -#define EMPTY_FIELD_BOUNDARY 32 - -/* Every structure's size must be a multiple of this. */ -#define STRUCTURE_SIZE_BOUNDARY 8 - -/* A bitfield declared as `int' forces `int' alignment for the struct. */ -#define PCC_BITFIELD_TYPE_MATTERS 1 - -/* No data type wants to be aligned rounder than this. */ -#define BIGGEST_ALIGNMENT 32 - -/* The best alignment to use in cases where we have a choice. */ -#define FASTEST_ALIGNMENT 32 - -/* Make strings word-aligned so strcpy from constants will be faster. */ -#define CONSTANT_ALIGNMENT(EXP, ALIGN) \ - ((TREE_CODE (EXP) == STRING_CST \ - && (ALIGN) < FASTEST_ALIGNMENT) \ - ? FASTEST_ALIGNMENT : (ALIGN)) - -/* Make arrays of chars word-aligned for the same reasons. */ -#define DATA_ALIGNMENT(TYPE, ALIGN) \ - (TREE_CODE (TYPE) == ARRAY_TYPE \ - && TYPE_MODE (TREE_TYPE (TYPE)) == QImode \ - && (ALIGN) < FASTEST_ALIGNMENT ? FASTEST_ALIGNMENT : (ALIGN)) - -/* Set this nonzero if move instructions will actually fail to work - when given unaligned data. */ -#define STRICT_ALIGNMENT 1 - -/* Layout of source language data types. */ - -#define SHORT_TYPE_SIZE 16 -#define INT_TYPE_SIZE 32 -#define LONG_TYPE_SIZE 32 -#define LONG_LONG_TYPE_SIZE 64 -#define FLOAT_TYPE_SIZE 32 -#define DOUBLE_TYPE_SIZE 64 -#define LONG_DOUBLE_TYPE_SIZE 64 - -/* Define this as 1 if `char' should by default be signed; else as 0. */ -#define DEFAULT_SIGNED_CHAR 1 - -#define SIZE_TYPE "long unsigned int" -#define PTRDIFF_TYPE "long int" -#define WCHAR_TYPE "short unsigned int" -#define WCHAR_TYPE_SIZE 16 - -/* Define results of standard character escape sequences. */ -#define TARGET_BELL 007 -#define TARGET_BS 010 -#define TARGET_TAB 011 -#define TARGET_NEWLINE 012 -#define TARGET_VT 013 -#define TARGET_FF 014 -#define TARGET_CR 015 - -/* Standard register usage. */ - -/* Number of actual hardware registers. - The hardware registers are assigned numbers for the compiler - from 0 to just below FIRST_PSEUDO_REGISTER. - All registers that the compiler knows about must be given numbers, - even those that are not normally considered general registers. */ - -#define M32R_NUM_REGISTERS 19 - -#ifndef SUBTARGET_NUM_REGISTERS -#define SUBTARGET_NUM_REGISTERS 0 -#endif - -#define FIRST_PSEUDO_REGISTER (M32R_NUM_REGISTERS + SUBTARGET_NUM_REGISTERS) - -/* 1 for registers that have pervasive standard uses - and are not available for the register allocator. - - 0-3 - arguments/results - 4-5 - call used [4 is used as a tmp during prologue/epilogue generation] - 6 - call used, gptmp - 7 - call used, static chain pointer - 8-11 - call saved - 12 - call saved [reserved for global pointer] - 13 - frame pointer - 14 - subroutine link register - 15 - stack pointer - 16 - arg pointer - 17 - carry flag - 18 - accumulator - 19 - accumulator 1 in the m32r/x - - By default, the extension registers are not available. */ - -#ifndef SUBTARGET_FIXED_REGISTERS -#define SUBTARGET_FIXED_REGISTERS -#endif - -#define FIXED_REGISTERS \ -{ \ - 0, 0, 0, 0, 0, 0, 0, 0, \ - 0, 0, 0, 0, 0, 0, 0, 1, \ - 1, 1, 1 \ - SUBTARGET_FIXED_REGISTERS \ -} - -/* 1 for registers not available across function calls. - These must include the FIXED_REGISTERS and also any - registers that can be used without being saved. - The latter must include the registers where values are returned - and the register where structure-value addresses are passed. - Aside from that, you can include as many other registers as you like. */ - -#ifndef SUBTARGET_CALL_USED_REGISTERS -#define SUBTARGET_CALL_USED_REGISTERS -#endif - -#define CALL_USED_REGISTERS \ -{ \ - 1, 1, 1, 1, 1, 1, 1, 1, \ - 0, 0, 0, 0, 0, 0, 1, 1, \ - 1, 1, 1 \ - SUBTARGET_CALL_USED_REGISTERS \ -} - -/* Zero or more C statements that may conditionally modify two variables - `fixed_regs' and `call_used_regs' (both of type `char []') after they - have been initialized from the two preceding macros. - - This is necessary in case the fixed or call-clobbered registers depend - on target flags. - - You need not define this macro if it has no work to do. */ - -#ifdef SUBTARGET_CONDITIONAL_REGISTER_USAGE -#define CONDITIONAL_REGISTER_USAGE SUBTARGET_CONDITIONAL_REGISTER_USAGE -#endif - -/* If defined, an initializer for a vector of integers, containing the - numbers of hard registers in the order in which GNU CC should - prefer to use them (from most preferred to least). */ - -#ifndef SUBTARGET_REG_ALLOC_ORDER -#define SUBTARGET_REG_ALLOC_ORDER -#endif - -#if 1 /* better for int code */ -#define REG_ALLOC_ORDER \ -{ \ - 4, 5, 6, 7, 2, 3, 8, 9, 10, \ - 11, 12, 13, 14, 0, 1, 15, 16, 17, 18 \ - SUBTARGET_REG_ALLOC_ORDER \ -} - -#else /* better for fp code at expense of int code */ -#define REG_ALLOC_ORDER \ -{ \ - 0, 1, 2, 3, 4, 5, 6, 7, 8, \ - 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 \ - SUBTARGET_REG_ALLOC_ORDER \ -} -#endif - -/* Return number of consecutive hard regs needed starting at reg REGNO - to hold something of mode MODE. - This is ordinarily the length in words of a value of mode MODE - but can be less for certain modes in special long registers. */ -#define HARD_REGNO_NREGS(REGNO, MODE) \ -((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD) - -/* Value is 1 if hard register REGNO can hold a value of machine-mode MODE. */ -extern unsigned int m32r_hard_regno_mode_ok[]; -extern unsigned int m32r_mode_class[]; -#define HARD_REGNO_MODE_OK(REGNO, MODE) \ -((m32r_hard_regno_mode_ok[REGNO] & m32r_mode_class[MODE]) != 0) - -/* A C expression that is nonzero if it is desirable to choose - register allocation so as to avoid move instructions between a - value of mode MODE1 and a value of mode MODE2. - - If `HARD_REGNO_MODE_OK (R, MODE1)' and `HARD_REGNO_MODE_OK (R, - MODE2)' are ever different for any R, then `MODES_TIEABLE_P (MODE1, - MODE2)' must be zero. */ - -/* Tie QI/HI/SI modes together. */ -#define MODES_TIEABLE_P(MODE1, MODE2) \ -(GET_MODE_CLASS (MODE1) == MODE_INT \ - && GET_MODE_CLASS (MODE2) == MODE_INT \ - && GET_MODE_SIZE (MODE1) <= UNITS_PER_WORD \ - && GET_MODE_SIZE (MODE2) <= UNITS_PER_WORD) - -/* Register classes and constants. */ - -/* Define the classes of registers for register constraints in the - machine description. Also define ranges of constants. - - One of the classes must always be named ALL_REGS and include all hard regs. - If there is more than one class, another class must be named NO_REGS - and contain no registers. - - The name GENERAL_REGS must be the name of a class (or an alias for - another name such as ALL_REGS). This is the class of registers - that is allowed by "g" or "r" in a register constraint. - Also, registers outside this class are allocated only when - instructions express preferences for them. - - The classes must be numbered in nondecreasing order; that is, - a larger-numbered class must never be contained completely - in a smaller-numbered class. - - For any two classes, it is very desirable that there be another - class that represents their union. - - It is important that any condition codes have class NO_REGS. - See `register_operand'. */ - -enum reg_class -{ - NO_REGS, - CARRY_REG, - ACCUM_REGS, - GENERAL_REGS, - ALL_REGS, - LIM_REG_CLASSES -}; - -#define N_REG_CLASSES ((int) LIM_REG_CLASSES) - -/* Give names of register classes as strings for dump file. */ -#define REG_CLASS_NAMES \ -{ \ - "NO_REGS", \ - "CARRY_REG", \ - "ACCUM_REGS", \ - "GENERAL_REGS", \ - "ALL_REGS" \ -} - -/* Define which registers fit in which classes. - This is an initializer for a vector of HARD_REG_SET - of length N_REG_CLASSES. */ - -#ifndef SUBTARGET_REG_CLASS_CARRY -#define SUBTARGET_REG_CLASS_CARRY 0 -#endif - -#ifndef SUBTARGET_REG_CLASS_ACCUM -#define SUBTARGET_REG_CLASS_ACCUM 0 -#endif - -#ifndef SUBTARGET_REG_CLASS_GENERAL -#define SUBTARGET_REG_CLASS_GENERAL 0 -#endif - -#ifndef SUBTARGET_REG_CLASS_ALL -#define SUBTARGET_REG_CLASS_ALL 0 -#endif - -#define REG_CLASS_CONTENTS \ -{ \ - { 0x00000 }, \ - { 0x20000 | SUBTARGET_REG_CLASS_CARRY }, \ - { 0x40000 | SUBTARGET_REG_CLASS_ACCUM }, \ - { 0x1ffff | SUBTARGET_REG_CLASS_GENERAL }, \ - { 0x7ffff | SUBTARGET_REG_CLASS_ALL }, \ -} - -/* The same information, inverted: - Return the class number of the smallest class containing - reg number REGNO. This could be a conditional expression - or could index an array. */ -extern enum reg_class m32r_regno_reg_class[FIRST_PSEUDO_REGISTER]; -#define REGNO_REG_CLASS(REGNO) (m32r_regno_reg_class[REGNO]) - -/* The class value for index registers, and the one for base regs. */ -#define INDEX_REG_CLASS GENERAL_REGS -#define BASE_REG_CLASS GENERAL_REGS - -/* A C expression which defines the machine-dependent operand constraint - letters for register classes. If CHAR is such a letter, the value should be - the register class corresponding to it. Otherwise, the value should be - `NO_REGS'. The register letter `r', corresponding to class `GENERAL_REGS', - will not be passed to this macro; you do not need to handle it. - - The following letters are unavailable, due to being used as - constraints: - '0'..'9' - '<', '>' - 'E', 'F', 'G', 'H' - 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P' - 'Q', 'R', 'S', 'T', 'U' - 'V', 'X' - 'g', 'i', 'm', 'n', 'o', 'p', 'r', 's' */ - -#define REG_CLASS_FROM_LETTER(C) \ -((C) == 'c' ? CARRY_REG \ - : (C) == 'a' ? ACCUM_REGS \ - : NO_REGS) - -/* These assume that REGNO is a hard or pseudo reg number. - They give nonzero only if REGNO is a hard reg of the suitable class - or a pseudo reg currently allocated to a suitable hard reg. - Since they use reg_renumber, they are safe only once reg_renumber - has been allocated, which happens in local-alloc.c. */ -#define REGNO_OK_FOR_BASE_P(REGNO) \ -((REGNO) < FIRST_PSEUDO_REGISTER \ - ? GPR_P (REGNO) || (REGNO) == ARG_POINTER_REGNUM \ - : GPR_P (reg_renumber[REGNO])) -#define REGNO_OK_FOR_INDEX_P(REGNO) REGNO_OK_FOR_BASE_P(REGNO) - -/* Given an rtx X being reloaded into a reg required to be - in class CLASS, return the class of reg to actually use. - In general this is just CLASS; but on some machines - in some cases it is preferable to use a more restrictive class. */ -#define PREFERRED_RELOAD_CLASS(X,CLASS) \ -(CLASS) - -/* Return the maximum number of consecutive registers - needed to represent mode MODE in a register of class CLASS. */ -#define CLASS_MAX_NREGS(CLASS, MODE) \ -((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD) - -/* The letters I, J, K, L, M, N, O, P in a register constraint string - can be used to stand for particular ranges of immediate operands. - This macro defines what the ranges are. - C is the letter, and VALUE is a constant value. - Return 1 if VALUE is in the range specified by C. */ -/* 'I' is used for 8 bit signed immediates. - 'J' is used for 16 bit signed immediates. - 'K' is used for 16 bit unsigned immediates. - 'L' is used for 16 bit immediates left shifted by 16 (sign ???). - 'M' is used for 24 bit unsigned immediates. - 'N' is used for any 32 bit non-symbolic value. - 'O' is used for 5 bit unsigned immediates (shift count). - 'P' is used for 16 bit signed immediates for compares - (values in the range -32767 to +32768). */ - -/* Return true if a value is inside a range */ -#define IN_RANGE_P(VALUE, LOW, HIGH) \ - (((unsigned HOST_WIDE_INT)((VALUE) - (LOW))) \ - <= ((unsigned HOST_WIDE_INT)((HIGH) - (LOW)))) - -#define INT8_P(X) IN_RANGE_P (X, -128, 127) -#define INT16_P(X) IN_RANGE_P (X, -32768, 32767) -#define CMP_INT16_P(X) IN_RANGE_P (X, -32769, 32766) -#define UINT16_P(X) IN_RANGE_P (X, 0, 65535) -#define UPPER16_P(X) (((X) & ~0xffff0000) == 0) -#define UINT24_P(X) IN_RANGE_P (X, 0, 0xffffff) -#if HOST_BITS_PER_LONG > 32 -#define INT32_P(X) IN_RANGE_P (X, (-2147483647L-1), 2147483647L) -#else -#define INT32_P(X) 1 -#endif -#define UINT5_P(X) IN_RANGE_P (X, 0, 31) -#define INVERTED_SIGNED_8BIT(X) IN_RANGE_P (X, -127, 128) - -#define CONST_OK_FOR_LETTER_P(VALUE, C) \ -((C) == 'I' ? INT8_P (VALUE) \ - : (C) == 'J' ? INT16_P (VALUE) \ - : (C) == 'K' ? UINT16_P (VALUE) \ - : (C) == 'L' ? UPPER16_P (VALUE) \ - : (C) == 'M' ? UINT24_P (VALUE) \ - : (C) == 'N' ? INVERTED_SIGNED_8BIT (VALUE) \ - : (C) == 'O' ? UINT5_P (VALUE) \ - : (C) == 'P' ? CMP_INT16_P (VALUE) \ - : 0) - -/* Similar, but for floating constants, and defining letters G and H. - Here VALUE is the CONST_DOUBLE rtx itself. - For the m32r, handle a few constants inline. - ??? We needn't treat DI and DF modes differently, but for now we do. */ -#define CONST_DOUBLE_OK_FOR_LETTER_P(VALUE, C) \ -((C) == 'G' ? easy_di_const (VALUE) \ - : (C) == 'H' ? easy_df_const (VALUE) \ - : 0) - -/* A C expression that defines the optional machine-dependent constraint - letters that can be used to segregate specific types of operands, - usually memory references, for the target machine. It should return 1 if - VALUE corresponds to the operand type represented by the constraint letter - C. If C is not defined as an extra constraint, the value returned should - be 0 regardless of VALUE. */ -/* Q is for symbolic addresses loadable with ld24. - R is for symbolic addresses when ld24 can't be used. - S is for stores with pre {inc,dec}rement - T is for indirect of a pointer. - U is for loads with post increment. */ - -#define EXTRA_CONSTRAINT(VALUE, C) \ -((C) == 'Q' ? ((TARGET_ADDR24 && GET_CODE (VALUE) == LABEL_REF) \ - || addr24_operand (VALUE, VOIDmode)) \ - : (C) == 'R' ? ((TARGET_ADDR32 && GET_CODE (VALUE) == LABEL_REF) \ - || addr32_operand (VALUE, VOIDmode)) \ - : (C) == 'S' ? (GET_CODE (VALUE) == MEM \ - && STORE_PREINC_PREDEC_P (GET_MODE (VALUE), \ - XEXP (VALUE, 0))) \ - : (C) == 'T' ? (GET_CODE (VALUE) == MEM \ - && memreg_operand (VALUE, GET_MODE (VALUE))) \ - : (C) == 'U' ? (GET_CODE (VALUE) == MEM \ - && LOAD_POSTINC_P (GET_MODE (VALUE), \ - XEXP (VALUE, 0))) \ - : 0) - - -/* Stack layout and stack pointer usage. */ - -/* Define this macro if pushing a word onto the stack moves the stack - pointer to a smaller address. */ -#define STACK_GROWS_DOWNWARD - -/* Define this if the nominal address of the stack frame - is at the high-address end of the local variables; - that is, each additional local variable allocated - goes at a more negative offset from the frame pointer. */ -/*#define FRAME_GROWS_DOWNWARD*/ - -/* Offset from frame pointer to start allocating local variables at. - If FRAME_GROWS_DOWNWARD, this is the offset to the END of the - first local allocated. Otherwise, it is the offset to the BEGINNING - of the first local allocated. */ -/* The frame pointer points at the same place as the stack pointer, except if - alloca has been called. */ -#define STARTING_FRAME_OFFSET \ -M32R_STACK_ALIGN (current_function_outgoing_args_size) - -/* Offset from the stack pointer register to the first location at which - outgoing arguments are placed. */ -#define STACK_POINTER_OFFSET 0 - -/* Offset of first parameter from the argument pointer register value. */ -#define FIRST_PARM_OFFSET(FNDECL) 0 - -/* A C expression whose value is RTL representing the address in a - stack frame where the pointer to the caller's frame is stored. - Assume that FRAMEADDR is an RTL expression for the address of the - stack frame itself. - - If you don't define this macro, the default is to return the value - of FRAMEADDR--that is, the stack frame address is also the address - of the stack word that points to the previous frame. */ -/*define DYNAMIC_CHAIN_ADDRESS (FRAMEADDR)*/ - -/* A C expression whose value is RTL representing the value of the - return address for the frame COUNT steps up from the current frame. - FRAMEADDR is the frame pointer of the COUNT frame, or the frame - pointer of the COUNT - 1 frame if `RETURN_ADDR_IN_PREVIOUS_FRAME' - is defined. */ -/* The current return address is in r14. */ -#if 0 /* The default value should work. */ -#define RETURN_ADDR_RTX(COUNT, FRAME) \ -(((COUNT) == -1) \ - ? gen_rtx (REG, Pmode, 14) \ - : copy_to_reg (gen_rtx (MEM, Pmode, \ - memory_address (Pmode, plus_constant ((FRAME), UNITS_PER_WORD))))) -#endif - -/* Register to use for pushing function arguments. */ -#define STACK_POINTER_REGNUM 15 - -/* Base register for access to local variables of the function. */ -#define FRAME_POINTER_REGNUM 13 - -/* Base register for access to arguments of the function. */ -#define ARG_POINTER_REGNUM 16 - -/* The register number of the return address pointer register, which - is used to access the current function's return address from the - stack. On some machines, the return address is not at a fixed - offset from the frame pointer or stack pointer or argument - pointer. This register can be defined to point to the return - address on the stack, and then be converted by `ELIMINABLE_REGS' - into either the frame pointer or stack pointer. - - Do not define this macro unless there is no other way to get the - return address from the stack. */ -/* ??? revisit */ -/* #define RETURN_ADDRESS_POINTER_REGNUM */ - -/* Register in which static-chain is passed to a function. This must - not be a register used by the prologue. */ -#define STATIC_CHAIN_REGNUM 7 - -/* These aren't official macros. */ -#define PROLOGUE_TMP_REGNUM 4 -#define RETURN_ADDR_REGNUM 14 -/* #define GP_REGNUM 12 */ -#define CARRY_REGNUM 17 -#define ACCUM_REGNUM 18 -#define M32R_MAX_INT_REGS 16 - -#ifndef SUBTARGET_GPR_P -#define SUBTARGET_GPR_P(REGNO) 0 -#endif - -#ifndef SUBTARGET_ACCUM_P -#define SUBTARGET_ACCUM_P(REGNO) 0 -#endif - -#ifndef SUBTARGET_CARRY_P -#define SUBTARGET_CARRY_P(REGNO) 0 -#endif - -#define GPR_P(REGNO) IN_RANGE_P ((REGNO), 0, 15) || SUBTARGET_GPR_P (REGNO) -#define ACCUM_P(REGNO) ((REGNO) == ACCUM_REGNUM || SUBTARGET_ACCUM_P (REGNO)) -#define CARRY_P(REGNO) ((REGNO) == CARRY_REGNUM || SUBTARGET_CARRY_P (REGNO)) - - -/* Eliminating the frame and arg pointers. */ - -/* A C expression which is nonzero if a function must have and use a - frame pointer. This expression is evaluated in the reload pass. - If its value is nonzero the function will have a frame pointer. */ -#define FRAME_POINTER_REQUIRED \ -(current_function_calls_alloca) - -#if 0 -/* C statement to store the difference between the frame pointer - and the stack pointer values immediately after the function prologue. - If `ELIMINABLE_REGS' is defined, this macro will be not be used and - need not be defined. */ -#define INITIAL_FRAME_POINTER_OFFSET(VAR) \ -((VAR) = m32r_compute_frame_size (get_frame_size ())) -#endif - -/* If defined, this macro specifies a table of register pairs used to - eliminate unneeded registers that point into the stack frame. If - it is not defined, the only elimination attempted by the compiler - is to replace references to the frame pointer with references to - the stack pointer. - - Note that the elimination of the argument pointer with the stack - pointer is specified first since that is the preferred elimination. */ - -#define ELIMINABLE_REGS \ -{{ FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM }, \ - { ARG_POINTER_REGNUM, STACK_POINTER_REGNUM }, \ - { ARG_POINTER_REGNUM, FRAME_POINTER_REGNUM }} \ - -/* A C expression that returns non-zero if the compiler is allowed to - try to replace register number FROM-REG with register number - TO-REG. This macro need only be defined if `ELIMINABLE_REGS' is - defined, and will usually be the constant 1, since most of the - cases preventing register elimination are things that the compiler - already knows about. */ - -#define CAN_ELIMINATE(FROM, TO) \ -((FROM) == ARG_POINTER_REGNUM && (TO) == STACK_POINTER_REGNUM \ - ? ! frame_pointer_needed \ - : 1) - -/* This macro is similar to `INITIAL_FRAME_POINTER_OFFSET'. It - specifies the initial difference between the specified pair of - registers. This macro must be defined if `ELIMINABLE_REGS' is - defined. */ - -#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \ -{ \ - int size = m32r_compute_frame_size (get_frame_size ()); \ - \ - if ((FROM) == FRAME_POINTER_REGNUM && (TO) == STACK_POINTER_REGNUM) \ - (OFFSET) = 0; \ - else if ((FROM) == ARG_POINTER_REGNUM && (TO) == FRAME_POINTER_REGNUM) \ - (OFFSET) = size - current_function_pretend_args_size; \ - else if ((FROM) == ARG_POINTER_REGNUM && (TO) == STACK_POINTER_REGNUM) \ - (OFFSET) = size - current_function_pretend_args_size; \ - else \ - abort (); \ -} - -/* Function argument passing. */ - -/* When a prototype says `char' or `short', really pass an `int'. */ -#define PROMOTE_PROTOTYPES - -/* If defined, the maximum amount of space required for outgoing - arguments will be computed and placed into the variable - `current_function_outgoing_args_size'. No space will be pushed - onto the stack for each call; instead, the function prologue should - increase the stack frame size by this amount. */ -#define ACCUMULATE_OUTGOING_ARGS - -/* Define this macro if functions should assume that stack space has - been allocated for arguments even when their values are passed in - registers. - - The value of this macro is the size, in bytes, of the area - reserved for arguments passed in registers for the function - represented by FNDECL. - - This space can be allocated by the caller, or be a part of the - machine-dependent stack frame: `OUTGOING_REG_PARM_STACK_SPACE' says - which. */ -#if 0 -#define REG_PARM_STACK_SPACE(FNDECL) \ -(M32R_MAX_PARM_REGS * UNITS_PER_WORD) -#endif - -/* Value is the number of bytes of arguments automatically - popped when returning from a subroutine call. - FUNDECL is the declaration node of the function (as a tree), - FUNTYPE is the data type of the function (as a tree), - or for a library call it is an identifier node for the subroutine name. - SIZE is the number of bytes of arguments passed on the stack. */ -#define RETURN_POPS_ARGS(DECL, FUNTYPE, SIZE) 0 - -/* Nonzero if we do not know how to pass TYPE solely in registers. */ -#define MUST_PASS_IN_STACK(MODE,TYPE) \ - ((TYPE) != 0 \ - && (TREE_CODE (TYPE_SIZE (TYPE)) != INTEGER_CST \ - || TREE_ADDRESSABLE (TYPE))) - -/* Define a data type for recording info about an argument list - during the scan of that argument list. This data type should - hold all necessary information about the function itself - and about the args processed so far, enough to enable macros - such as FUNCTION_ARG to determine where the next arg should go. */ -#define CUMULATIVE_ARGS int - -/* Initialize a variable CUM of type CUMULATIVE_ARGS - for a call to a function whose data type is FNTYPE. - For a library call, FNTYPE is 0. */ -#define INIT_CUMULATIVE_ARGS(CUM,FNTYPE,LIBNAME,INDIRECT) \ -((CUM) = 0) - -/* The number of registers used for parameter passing. Local to this file. */ -#define M32R_MAX_PARM_REGS 4 - -/* 1 if N is a possible register number for function argument passing. */ -#define FUNCTION_ARG_REGNO_P(N) \ -((unsigned) (N) < M32R_MAX_PARM_REGS) - -/* The ROUND_ADVANCE* macros are local to this file. */ -/* Round SIZE up to a word boundary. */ -#define ROUND_ADVANCE(SIZE) \ -(((SIZE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD) - -/* Round arg MODE/TYPE up to the next word boundary. */ -#define ROUND_ADVANCE_ARG(MODE, TYPE) \ -((MODE) == BLKmode \ - ? ROUND_ADVANCE (int_size_in_bytes (TYPE)) \ - : ROUND_ADVANCE (GET_MODE_SIZE (MODE))) - -/* Round CUM up to the necessary point for argument MODE/TYPE. */ -#if 0 -#define ROUND_ADVANCE_CUM(CUM, MODE, TYPE) \ -((((MODE) == BLKmode ? TYPE_ALIGN (TYPE) : GET_MODE_BITSIZE (MODE)) \ - > BITS_PER_WORD) \ - ? ((CUM) + 1 & ~1) \ - : (CUM)) -#else -#define ROUND_ADVANCE_CUM(CUM, MODE, TYPE) (CUM) -#endif - -/* Return boolean indicating arg of type TYPE and mode MODE will be passed in - a reg. This includes arguments that have to be passed by reference as the - pointer to them is passed in a reg if one is available (and that is what - we're given). - This macro is only used in this file. */ -#define PASS_IN_REG_P(CUM, MODE, TYPE, NAMED) \ -(ROUND_ADVANCE_CUM ((CUM), (MODE), (TYPE)) < M32R_MAX_PARM_REGS) - -/* Determine where to put an argument to a function. - Value is zero to push the argument on the stack, - or a hard register in which to store the argument. - - MODE is the argument's machine mode. - TYPE is the data type of the argument (as a tree). - This is null for libcalls where that information may - not be available. - CUM is a variable of type CUMULATIVE_ARGS which gives info about - the preceding args and about the function being called. - NAMED is nonzero if this argument is a named parameter - (otherwise it is an extra parameter matching an ellipsis). */ -/* On the M32R the first M32R_MAX_PARM_REGS args are normally in registers - and the rest are pushed. */ -#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \ -(PASS_IN_REG_P ((CUM), (MODE), (TYPE), (NAMED)) \ - ? gen_rtx (REG, (MODE), ROUND_ADVANCE_CUM ((CUM), (MODE), (TYPE))) \ - : 0) - -/* ??? Quick hack to try to get varargs working the normal way. */ -#define FUNCTION_INCOMING_ARG(CUM, MODE, TYPE, NAMED) \ -(((! current_function_varargs || (NAMED)) \ - && PASS_IN_REG_P ((CUM), (MODE), (TYPE), (NAMED))) \ - ? gen_rtx (REG, (MODE), ROUND_ADVANCE_CUM ((CUM), (MODE), (TYPE))) \ - : 0) - -/* A C expression for the number of words, at the beginning of an - argument, must be put in registers. The value must be zero for - arguments that are passed entirely in registers or that are entirely - pushed on the stack. - - On some machines, certain arguments must be passed partially in - registers and partially in memory. On these machines, typically the - first @var{n} words of arguments are passed in registers, and the rest - on the stack. If a multi-word argument (a @code{double} or a - structure) crosses that boundary, its first few words must be passed - in registers and the rest must be pushed. This macro tells the - compiler when this occurs, and how many of the words should go in - registers. */ -#define FUNCTION_ARG_PARTIAL_NREGS(CUM, MODE, TYPE, NAMED) \ - function_arg_partial_nregs (&CUM, (int)MODE, TYPE, NAMED) - -/* A C expression that indicates when an argument must be passed by - reference. If nonzero for an argument, a copy of that argument is - made in memory and a pointer to the argument is passed instead of - the argument itself. The pointer is passed in whatever way is - appropriate for passing a pointer to that type. */ -/* All arguments greater than 8 bytes are passed this way. */ -#define FUNCTION_ARG_PASS_BY_REFERENCE(CUM, MODE, TYPE, NAMED) \ -((TYPE) && int_size_in_bytes (TYPE) > 8) - -/* Update the data in CUM to advance over an argument - of mode MODE and data type TYPE. - (TYPE is null for libcalls where that information may not be available.) */ -#define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED) \ -((CUM) = (ROUND_ADVANCE_CUM ((CUM), (MODE), (TYPE)) \ - + ROUND_ADVANCE_ARG ((MODE), (TYPE)))) - -/* If defined, a C expression that gives the alignment boundary, in bits, - of an argument with the specified mode and type. If it is not defined, - PARM_BOUNDARY is used for all arguments. */ -#if 0 -/* We assume PARM_BOUNDARY == UNITS_PER_WORD here. */ -#define FUNCTION_ARG_BOUNDARY(MODE, TYPE) \ -(((TYPE) ? TYPE_ALIGN (TYPE) : GET_MODE_BITSIZE (MODE)) <= PARM_BOUNDARY \ - ? PARM_BOUNDARY \ - : 2 * PARM_BOUNDARY) -#endif - -#if 0 -/* If defined, is a C expression that produces the machine-specific - code for a call to `__builtin_saveregs'. This code will be moved - to the very beginning of the function, before any parameter access - are made. The return value of this function should be an RTX that - contains the value to use as the return of `__builtin_saveregs'. - - The argument ARGS is a `tree_list' containing the arguments that - were passed to `__builtin_saveregs'. - - If this macro is not defined, the compiler will output an ordinary - call to the library function `__builtin_saveregs'. */ -extern struct rtx *m32r_expand_builtin_savergs (); -#define EXPAND_BUILTIN_SAVEREGS(ARGS) m32r_expand_builtin_saveregs (ARGS) -#endif - -/* This macro offers an alternative - to using `__builtin_saveregs' and defining the macro - `EXPAND_BUILTIN_SAVEREGS'. Use it to store the anonymous register - arguments into the stack so that all the arguments appear to have - been passed consecutively on the stack. Once this is done, you - can use the standard implementation of varargs that works for - machines that pass all their arguments on the stack. - - The argument ARGS_SO_FAR is the `CUMULATIVE_ARGS' data structure, - containing the values that obtain after processing of the named - arguments. The arguments MODE and TYPE describe the last named - argument--its machine mode and its data type as a tree node. - - The macro implementation should do two things: first, push onto the - stack all the argument registers *not* used for the named - arguments, and second, store the size of the data thus pushed into - the `int'-valued variable whose name is supplied as the argument - PRETEND_SIZE. The value that you store here will serve as - additional offset for setting up the stack frame. - - If the argument NO_RTL is nonzero, it means that the - arguments of the function are being analyzed for the second time. - This happens for an inline function, which is not actually - compiled until the end of the source file. The macro - `SETUP_INCOMING_VARARGS' should not generate any instructions in - this case. */ - -#define SETUP_INCOMING_VARARGS(ARGS_SO_FAR, MODE, TYPE, PRETEND_SIZE, NO_RTL) \ -m32r_setup_incoming_varargs (&ARGS_SO_FAR, MODE, TYPE, &PRETEND_SIZE, NO_RTL) - -/* Function results. */ - -/* Define how to find the value returned by a function. - VALTYPE is the data type of the value (as a tree). - If the precise function being called is known, FUNC is its FUNCTION_DECL; - otherwise, FUNC is 0. */ -#define FUNCTION_VALUE(VALTYPE, FUNC) gen_rtx (REG, TYPE_MODE (VALTYPE), 0) - -/* Define how to find the value returned by a library function - assuming the value has mode MODE. */ -#define LIBCALL_VALUE(MODE) gen_rtx (REG, MODE, 0) - -/* 1 if N is a possible register number for a function value - as seen by the caller. */ -/* ??? What about r1 in DI/DF values. */ -#define FUNCTION_VALUE_REGNO_P(N) ((N) == 0) - -/* A C expression which can inhibit the returning of certain function - values in registers, based on the type of value. A nonzero value says - to return the function value in memory, just as large structures are - always returned. Here TYPE will be a C expression of type `tree', - representing the data type of the value. */ -#define RETURN_IN_MEMORY(TYPE) \ -(int_size_in_bytes (TYPE) > 8) - -/* Tell GCC to use RETURN_IN_MEMORY. */ -#define DEFAULT_PCC_STRUCT_RETURN 0 - -/* Register in which address to store a structure value - is passed to a function, or 0 to use `invisible' first argument. */ -#define STRUCT_VALUE 0 - -/* Function entry and exit. */ - -/* Initialize data used by insn expanders. This is called from - init_emit, once for each function, before code is generated. */ -#define INIT_EXPANDERS m32r_init_expanders () - -/* This macro generates the assembly code for function entry. - FILE is a stdio stream to output the code to. - SIZE is an int: how many units of temporary storage to allocate. - Refer to the array `regs_ever_live' to determine which registers - to save; `regs_ever_live[I]' is nonzero if register number I - is ever used in the function. This macro is responsible for - knowing which registers should not be saved even if used. */ -#define FUNCTION_PROLOGUE(FILE, SIZE) \ -m32r_output_function_prologue (FILE, SIZE) - -/* EXIT_IGNORE_STACK should be nonzero if, when returning from a function, - the stack pointer does not matter. The value is tested only in - functions that have frame pointers. - No definition is equivalent to always zero. */ -#define EXIT_IGNORE_STACK 1 - -/* This macro generates the assembly code for function exit, - on machines that need it. If FUNCTION_EPILOGUE is not defined - then individual return instructions are generated for each - return statement. Args are same as for FUNCTION_PROLOGUE. - - The function epilogue should not depend on the current stack pointer! - It should use the frame pointer only. This is mandatory because - of alloca; we also take advantage of it to omit stack adjustments - before returning. */ -#define FUNCTION_EPILOGUE(FILE, SIZE) \ -m32r_output_function_epilogue (FILE, SIZE) - -/* Output assembler code to FILE to increment profiler label # LABELNO - for profiling a function entry. */ -#define FUNCTION_PROFILER(FILE, LABELNO) abort () - -/* Trampolines. */ - -/* On the M32R, the trampoline is - - ld24 r7,STATIC - ld24 r6,FUNCTION - jmp r6 - nop - - ??? Need addr32 support. -*/ - -/* Length in bytes of the trampoline for entering a nested function. */ -#define TRAMPOLINE_SIZE 12 - -/* Emit RTL insns to initialize the variable parts of a trampoline. - FNADDR is an RTX for the address of the function's pure code. - CXT is an RTX for the static chain value for the function. */ -#define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \ -do { \ - emit_move_insn (gen_rtx (MEM, SImode, plus_constant (TRAMP, 0)), \ - plus_constant ((CXT), 0xe7000000)); \ - emit_move_insn (gen_rtx (MEM, SImode, plus_constant (TRAMP, 4)), \ - plus_constant ((FNADDR), 0xe6000000)); \ - emit_move_insn (gen_rtx (MEM, SImode, plus_constant (TRAMP, 8)), \ - GEN_INT (0x1fc67000)); \ - emit_insn (gen_flush_icache (validize_mem (gen_rtx (MEM, SImode, \ - TRAMP)))); \ -} while (0) - -/* Library calls. */ - -/* Generate calls to memcpy, memcmp and memset. */ -#define TARGET_MEM_FUNCTIONS - -/* Addressing modes, and classification of registers for them. */ - -/* Maximum number of registers that can appear in a valid memory address. */ -#define MAX_REGS_PER_ADDRESS 1 - -/* We have post-inc load and pre-dec,pre-inc store, - but only for 4 byte vals. */ -#define HAVE_PRE_DECREMENT 1 -#define HAVE_PRE_INCREMENT 1 -#define HAVE_POST_INCREMENT 1 - -/* Recognize any constant value that is a valid address. */ -#define CONSTANT_ADDRESS_P(X) \ -(GET_CODE (X) == LABEL_REF || GET_CODE (X) == SYMBOL_REF \ - || GET_CODE (X) == CONST_INT || GET_CODE (X) == CONST) - -/* Nonzero if the constant value X is a legitimate general operand. - We don't allow (plus symbol large-constant) as the relocations can't - describe it. INTVAL > 32767 handles both 16 bit and 24 bit relocations. - We allow all CONST_DOUBLE's as the md file patterns will force the - constant to memory if they can't handle them. */ - -#define LEGITIMATE_CONSTANT_P(X) \ -(! (GET_CODE (X) == CONST \ - && GET_CODE (XEXP (X, 0)) == PLUS \ - && GET_CODE (XEXP (XEXP (X, 0), 0)) == SYMBOL_REF \ - && GET_CODE (XEXP (XEXP (X, 0), 1)) == CONST_INT \ - && (unsigned HOST_WIDE_INT) INTVAL (XEXP (XEXP (X, 0), 1)) > 32767)) - -/* The macros REG_OK_FOR..._P assume that the arg is a REG rtx - and check its validity for a certain class. - We have two alternate definitions for each of them. - The usual definition accepts all pseudo regs; the other rejects - them unless they have been allocated suitable hard regs. - The symbol REG_OK_STRICT causes the latter definition to be used. - - Most source files want to accept pseudo regs in the hope that - they will get allocated to the class that the insn wants them to be in. - Source files for reload pass need to be strict. - After reload, it makes no difference, since pseudo regs have - been eliminated by then. */ - -#ifdef REG_OK_STRICT - -/* Nonzero if X is a hard reg that can be used as a base reg. */ -#define REG_OK_FOR_BASE_P(X) GPR_P (REGNO (X)) -/* Nonzero if X is a hard reg that can be used as an index. */ -#define REG_OK_FOR_INDEX_P(X) REG_OK_FOR_BASE_P (X) - -#else - -/* Nonzero if X is a hard reg that can be used as a base reg - or if it is a pseudo reg. */ -#define REG_OK_FOR_BASE_P(X) \ -(GPR_P (REGNO (X)) \ - || (REGNO (X)) == ARG_POINTER_REGNUM \ - || REGNO (X) >= FIRST_PSEUDO_REGISTER) -/* Nonzero if X is a hard reg that can be used as an index - or if it is a pseudo reg. */ -#define REG_OK_FOR_INDEX_P(X) REG_OK_FOR_BASE_P (X) - -#endif - -/* GO_IF_LEGITIMATE_ADDRESS recognizes an RTL expression - that is a valid memory address for an instruction. - The MODE argument is the machine mode for the MEM expression - that wants to use this address. */ - -/* local to this file */ -#define RTX_OK_FOR_BASE_P(X) (REG_P (X) && REG_OK_FOR_BASE_P (X)) - -/* local to this file */ -#define RTX_OK_FOR_OFFSET_P(X) \ -(GET_CODE (X) == CONST_INT && INT16_P (INTVAL (X))) - -/* local to this file */ -#define LEGITIMATE_OFFSET_ADDRESS_P(MODE, X) \ -(GET_CODE (X) == PLUS \ - && RTX_OK_FOR_BASE_P (XEXP (X, 0)) \ - && RTX_OK_FOR_OFFSET_P (XEXP (X, 1))) - -/* local to this file */ -/* For LO_SUM addresses, do not allow them if the MODE is > 1 word, - since more than one instruction will be required. */ -#define LEGITIMATE_LO_SUM_ADDRESS_P(MODE, X) \ -(GET_CODE (X) == LO_SUM \ - && (MODE != BLKmode && GET_MODE_SIZE (MODE) <= UNITS_PER_WORD) \ - && RTX_OK_FOR_BASE_P (XEXP (X, 0)) \ - && CONSTANT_P (XEXP (X, 1))) - -/* local to this file */ -/* Is this a load and increment operation. */ -#define LOAD_POSTINC_P(MODE, X) \ -(((MODE) == SImode || (MODE) == SFmode) \ - && GET_CODE (X) == POST_INC \ - && GET_CODE (XEXP (X, 0)) == REG \ - && RTX_OK_FOR_BASE_P (XEXP (X, 0))) - -/* local to this file */ -/* Is this a increment/decrement and store operation. */ -#define STORE_PREINC_PREDEC_P(MODE, X) \ -(((MODE) == SImode || (MODE) == SFmode) \ - && (GET_CODE (X) == PRE_INC || GET_CODE (X) == PRE_DEC) \ - && GET_CODE (XEXP (X, 0)) == REG \ - && RTX_OK_FOR_BASE_P (XEXP (X, 0))) - -#define GO_IF_LEGITIMATE_ADDRESS(MODE, X, ADDR) \ -{ if (RTX_OK_FOR_BASE_P (X)) \ - goto ADDR; \ - if (LEGITIMATE_OFFSET_ADDRESS_P ((MODE), (X))) \ - goto ADDR; \ - if (LEGITIMATE_LO_SUM_ADDRESS_P ((MODE), (X))) \ - goto ADDR; \ - if (LOAD_POSTINC_P ((MODE), (X))) \ - goto ADDR; \ - if (STORE_PREINC_PREDEC_P ((MODE), (X))) \ - goto ADDR; \ -} - -/* Try machine-dependent ways of modifying an illegitimate address - to be legitimate. If we find one, return the new, valid address. - This macro is used in only one place: `memory_address' in explow.c. - - OLDX is the address as it was before break_out_memory_refs was called. - In some cases it is useful to look at this to decide what needs to be done. - - MODE and WIN are passed so that this macro can use - GO_IF_LEGITIMATE_ADDRESS. - - It is always safe for this macro to do nothing. It exists to recognize - opportunities to optimize the output. - - ??? Is there anything useful we can do here for the M32R? */ - -#define LEGITIMIZE_ADDRESS(X, OLDX, MODE, WIN) - -/* Go to LABEL if ADDR (a legitimate address expression) - has an effect that depends on the machine mode it is used for. */ -#define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR, LABEL) \ -do { \ - if (GET_CODE (ADDR) == PRE_DEC \ - || GET_CODE (ADDR) == PRE_INC \ - || GET_CODE (ADDR) == POST_INC \ - || GET_CODE (ADDR) == LO_SUM) \ - goto LABEL; \ -} while (0) - -/* Condition code usage. */ - -/* Given a comparison code (EQ, NE, etc.) and the first operand of a COMPARE, - return the mode to be used for the comparison. */ -#define SELECT_CC_MODE(OP, X, Y) \ -((enum machine_mode)m32r_select_cc_mode ((int)OP, X, Y)) - -/* Return non-zero if SELECT_CC_MODE will never return MODE for a - floating point inequality comparison. */ -#define REVERSIBLE_CC_MODE(MODE) 1 /*???*/ - -/* Costs. */ - -/* ??? I'm quite sure I don't understand enough of the subtleties involved - in choosing the right numbers to use here, but there doesn't seem to be - enough documentation on this. What I've done is define an insn to cost - 4 "units" and work from there. COSTS_N_INSNS (N) is defined as (N) * 4 - 2 - so that seems reasonable. Some values are supposed to be defined relative - to each other and thus aren't necessarily related to COSTS_N_INSNS. */ - -/* Compute the cost of computing a constant rtl expression RTX - whose rtx-code is CODE. The body of this macro is a portion - of a switch statement. If the code is computed here, - return it with a return statement. Otherwise, break from the switch. */ -/* Small integers are as cheap as registers. 4 byte values can be fetched - as immediate constants - let's give that the cost of an extra insn. */ -#define CONST_COSTS(X, CODE, OUTER_CODE) \ - case CONST_INT : \ - if (INT16_P (INTVAL (X))) \ - return 0; \ - /* fall through */ \ - case CONST : \ - case LABEL_REF : \ - case SYMBOL_REF : \ - return 4; \ - case CONST_DOUBLE : \ - { \ - rtx high, low; \ - split_double (X, &high, &low); \ - return 4 * (!INT16_P (INTVAL (high)) \ - + !INT16_P (INTVAL (low))); \ - } - -/* Compute the cost of an address. */ -#define ADDRESS_COST(ADDR) m32r_address_cost (ADDR) - -/* Compute extra cost of moving data between one register class - and another. */ -#define REGISTER_MOVE_COST(CLASS1, CLASS2) 2 - -/* Compute the cost of moving data between registers and memory. */ -/* Memory is 3 times as expensive as registers. - ??? Is that the right way to look at it? */ -#define MEMORY_MOVE_COST(MODE,CLASS,IN_P) \ -(GET_MODE_SIZE (MODE) <= UNITS_PER_WORD ? 6 : 12) - -/* The cost of a branch insn. */ -/* A value of 2 here causes GCC to avoid using branches in comparisons like - while (a < N && a). Branches aren't that expensive on the M32R so - we define this as 1. Defining it as 2 had a heavy hit in fp-bit.c. */ -#define BRANCH_COST ((TARGET_BRANCH_COST) ? 2 : 1) - -/* Provide the costs of a rtl expression. This is in the body of a - switch on CODE. The purpose for the cost of MULT is to encourage - `synth_mult' to find a synthetic multiply when reasonable. - - If we need more than 12 insns to do a multiply, then go out-of-line, - since the call overhead will be < 10% of the cost of the multiply. */ -#define RTX_COSTS(X, CODE, OUTER_CODE) \ - case MULT : \ - return COSTS_N_INSNS (3); \ - case DIV : \ - case UDIV : \ - case MOD : \ - case UMOD : \ - return COSTS_N_INSNS (10); - -/* Nonzero if access to memory by bytes is slow and undesirable. - For RISC chips, it means that access to memory by bytes is no - better than access by words when possible, so grab a whole word - and maybe make use of that. */ -#define SLOW_BYTE_ACCESS 1 - -/* Define this macro if it is as good or better to call a constant - function address than to call an address kept in a register. */ -#define NO_FUNCTION_CSE - -/* Define this macro if it is as good or better for a function to call - itself with an explicit address than to call an address kept in a - register. */ -#define NO_RECURSIVE_FUNCTION_CSE - -/* A C statement (sans semicolon) to update the integer variable COST based on - the relationship between INSN that is dependent on DEP_INSN through the - dependence LINK. The default is to make no adjustment to COST. This can be - used for example to specify to the scheduler that an output- or - anti-dependence does not incur the same cost as a data-dependence. */ - -#define ADJUST_COST(INSN,LINK,DEP_INSN,COST) \ - (COST) = m32r_adjust_cost (INSN, LINK, DEP_INSN, COST) - -/* A C statement (sans semicolon) to update the integer scheduling - priority `INSN_PRIORITY(INSN)'. Reduce the priority to execute - the INSN earlier, increase the priority to execute INSN later. - Do not define this macro if you do not need to adjust the - scheduling priorities of insns. */ -#define ADJUST_PRIORITY(INSN) \ - INSN_PRIORITY (INSN) = m32r_adjust_priority (INSN, INSN_PRIORITY (INSN)) - -/* Macro to determine whether the Haifa scheduler is used. */ -#ifdef HAIFA -#define HAIFA_P 1 -#else -#define HAIFA_P 0 -#endif - -/* Indicate how many instructions can be issued at the same time. - This is sort of a lie. The m32r can issue only 1 long insn at - once, but it can issue 2 short insns. The default therefore is - set at 2, but this can be overridden by the command line option - -missue-rate=1 */ -#define ISSUE_RATE ((TARGET_ISSUE_RATE) ? 1 : 2) - -/* If we have a machine that can issue a variable # of instructions - per cycle, indicate how many more instructions can be issued - after the current one. */ -#define MD_SCHED_VARIABLE_ISSUE(STREAM, VERBOSE, INSN, HOW_MANY) \ -(HOW_MANY) = m32r_sched_variable_issue (STREAM, VERBOSE, INSN, HOW_MANY) - -/* Whether we are on an odd word boundary while scheduling. */ -extern int m32r_sched_odd_word_p; - -/* Hook to run before scheduling a block of insns. */ -#define MD_SCHED_INIT(STREAM, VERBOSE) m32r_sched_init (STREAM, VERBOSE) - -/* Hook to reorder the list of ready instructions. */ -#define MD_SCHED_REORDER(STREAM, VERBOSE, READY, N_READY) \ -m32r_sched_reorder (STREAM, VERBOSE, READY, N_READY) - -/* When the `length' insn attribute is used, this macro specifies the - value to be assigned to the address of the first insn in a - function. If not specified, 0 is used. */ -#define FIRST_INSN_ADDRESS m32r_first_insn_address () - - -/* Section selection. */ - -#define TEXT_SECTION_ASM_OP "\t.section .text" -#define DATA_SECTION_ASM_OP "\t.section .data" -#define RODATA_SECTION_ASM_OP "\t.section .rodata" -#define BSS_SECTION_ASM_OP "\t.section .bss" -#define SDATA_SECTION_ASM_OP "\t.section .sdata" -#define SBSS_SECTION_ASM_OP "\t.section .sbss" -/* This one is for svr4.h. */ -#undef CONST_SECTION_ASM_OP -#define CONST_SECTION_ASM_OP "\t.section .rodata" - -/* A list of names for sections other than the standard two, which are - `in_text' and `in_data'. You need not define this macro - on a system with no other sections (that GCC needs to use). */ -#undef EXTRA_SECTIONS -#define EXTRA_SECTIONS in_sdata, in_sbss, in_const, in_ctors, in_dtors - -/* One or more functions to be defined in "varasm.c". These - functions should do jobs analogous to those of `text_section' and - `data_section', for your additional sections. Do not define this - macro if you do not define `EXTRA_SECTIONS'. */ -#undef EXTRA_SECTION_FUNCTIONS -#define EXTRA_SECTION_FUNCTIONS \ -CONST_SECTION_FUNCTION \ -CTORS_SECTION_FUNCTION \ -DTORS_SECTION_FUNCTION \ -SDATA_SECTION_FUNCTION \ -SBSS_SECTION_FUNCTION - -#define SDATA_SECTION_FUNCTION \ -void \ -sdata_section () \ -{ \ - if (in_section != in_sdata) \ - { \ - fprintf (asm_out_file, "%s\n", SDATA_SECTION_ASM_OP); \ - in_section = in_sdata; \ - } \ -} \ - -#define SBSS_SECTION_FUNCTION \ -void \ -sbss_section () \ -{ \ - if (in_section != in_sbss) \ - { \ - fprintf (asm_out_file, "%s\n", SBSS_SECTION_ASM_OP); \ - in_section = in_sbss; \ - } \ -} \ - -/* A C statement or statements to switch to the appropriate section for - output of EXP. You can assume that EXP is either a `VAR_DECL' node - or a constant of some sort. RELOC indicates whether the initial value - of EXP requires link-time relocations. */ -extern void m32r_select_section (); -#undef SELECT_SECTION -#define SELECT_SECTION(EXP, RELOC) m32r_select_section ((EXP), (RELOC)) - -/* A C statement or statements to switch to the appropriate section for - output of RTX in mode MODE. You can assume that RTX - is some kind of constant in RTL. The argument MODE is redundant - except in the case of a `const_int' rtx. Select the section by - calling `text_section' or one of the alternatives for other - sections. - - Do not define this macro if you put all constants in the read-only - data section. */ - -#undef SELECT_RTX_SECTION - -/* Define this macro if jump tables (for tablejump insns) should be - output in the text section, along with the assembler instructions. - Otherwise, the readonly data section is used. - This macro is irrelevant if there is no separate readonly data section. */ -/*#define JUMP_TABLES_IN_TEXT_SECTION*/ - -/* Define this macro if references to a symbol must be treated - differently depending on something about the variable or - function named by the symbol (such as what section it is in). - - The macro definition, if any, is executed immediately after the - rtl for DECL or other node is created. - The value of the rtl will be a `mem' whose address is a - `symbol_ref'. - - The usual thing for this macro to do is to store a flag in the - `symbol_ref' (such as `SYMBOL_REF_FLAG') or to store a modified - name string in the `symbol_ref' (if one bit is not enough - information). */ - -#define SDATA_FLAG_CHAR '@' -/* Small objects are recorded with no prefix for space efficiency since - they'll be the most common. This isn't the case if the user passes - -mmodel={medium|large} and one could choose to not mark symbols that - are the default, but that complicates things. */ -/*#define SMALL_FLAG_CHAR '#'*/ -#define MEDIUM_FLAG_CHAR '%' -#define LARGE_FLAG_CHAR '&' - -#define SDATA_NAME_P(NAME) (*(NAME) == SDATA_FLAG_CHAR) -/*#define SMALL_NAME_P(NAME) (*(NAME) == SMALL_FLAG_CHAR)*/ -#define SMALL_NAME_P(NAME) (! ENCODED_NAME_P (NAME) && ! LIT_NAME_P (NAME)) -#define MEDIUM_NAME_P(NAME) (*(NAME) == MEDIUM_FLAG_CHAR) -#define LARGE_NAME_P(NAME) (*(NAME) == LARGE_FLAG_CHAR) -/* For string literals, etc. */ -#define LIT_NAME_P(NAME) ((NAME)[0] == '*' && (NAME)[1] == '.') - -#define ENCODED_NAME_P(SYMBOL_NAME) \ -(SDATA_NAME_P (SYMBOL_NAME) \ - /*|| SMALL_NAME_P (SYMBOL_NAME)*/ \ - || MEDIUM_NAME_P (SYMBOL_NAME) \ - || LARGE_NAME_P (SYMBOL_NAME)) - -#define ENCODE_SECTION_INFO(DECL) m32r_encode_section_info (DECL) - -/* Decode SYM_NAME and store the real name part in VAR, sans - the characters that encode section info. Define this macro if - ENCODE_SECTION_INFO alters the symbol's name string. */ -/* Note that we have to handle symbols like "%*start". */ -#define STRIP_NAME_ENCODING(VAR, SYMBOL_NAME) \ -do { \ - (VAR) = (SYMBOL_NAME) + ENCODED_NAME_P (SYMBOL_NAME); \ - (VAR) += *(VAR) == '*'; \ -} while (0) - -/* PIC */ - -/* The register number of the register used to address a table of static - data addresses in memory. In some cases this register is defined by a - processor's ``application binary interface'' (ABI). When this macro - is defined, RTL is generated for this register once, as with the stack - pointer and frame pointer registers. If this macro is not defined, it - is up to the machine-dependent files to allocate such a register (if - necessary). */ -/*#define PIC_OFFSET_TABLE_REGNUM 12*/ - -/* Define this macro if the register defined by PIC_OFFSET_TABLE_REGNUM is - clobbered by calls. Do not define this macro if PIC_OFFSET_TABLE_REGNUM - is not defined. */ -/* This register is call-saved on the M32R. */ -/*#define PIC_OFFSET_TABLE_REG_CALL_CLOBBERED*/ - -/* By generating position-independent code, when two different programs (A - and B) share a common library (libC.a), the text of the library can be - shared whether or not the library is linked at the same address for both - programs. In some of these environments, position-independent code - requires not only the use of different addressing modes, but also - special code to enable the use of these addressing modes. - - The FINALIZE_PIC macro serves as a hook to emit these special - codes once the function is being compiled into assembly code, but not - before. (It is not done before, because in the case of compiling an - inline function, it would lead to multiple PIC prologues being - included in functions which used inline functions and were compiled to - assembly language.) */ - -/*#define FINALIZE_PIC m32r_finalize_pic ()*/ - -/* A C expression that is nonzero if X is a legitimate immediate - operand on the target machine when generating position independent code. - You can assume that X satisfies CONSTANT_P, so you need not - check this. You can also assume `flag_pic' is true, so you need not - check it either. You need not define this macro if all constants - (including SYMBOL_REF) can be immediate operands when generating - position independent code. */ -/*#define LEGITIMATE_PIC_OPERAND_P(X)*/ - -/* Control the assembler format that we output. */ - -/* Output at beginning of assembler file. */ -#define ASM_FILE_START(FILE) m32r_asm_file_start (FILE) - -/* A C string constant describing how to begin a comment in the target - assembler language. The compiler assumes that the comment will - end at the end of the line. */ -#define ASM_COMMENT_START ";" - -/* Output to assembler file text saying following lines - may contain character constants, extra white space, comments, etc. */ -#define ASM_APP_ON "" - -/* Output to assembler file text saying following lines - no longer contain unusual constructs. */ -#define ASM_APP_OFF "" - -/* This is how to output an assembler line defining a `char' constant. */ -#define ASM_OUTPUT_CHAR(FILE, VALUE) \ -do { \ - fprintf (FILE, "\t.byte\t"); \ - output_addr_const (FILE, (VALUE)); \ - fprintf (FILE, "\n"); \ -} while (0) - -/* This is how to output an assembler line defining a `short' constant. */ -#define ASM_OUTPUT_SHORT(FILE, VALUE) \ -do { \ - fprintf (FILE, "\t.hword\t"); \ - output_addr_const (FILE, (VALUE)); \ - fprintf (FILE, "\n"); \ -} while (0) - -/* This is how to output an assembler line defining an `int' constant. - We also handle symbol output here. */ -#define ASM_OUTPUT_INT(FILE, VALUE) \ -do { \ - fprintf (FILE, "\t.word\t"); \ - output_addr_const (FILE, (VALUE)); \ - fprintf (FILE, "\n"); \ -} while (0) - -/* This is how to output an assembler line defining a `float' constant. */ -#define ASM_OUTPUT_FLOAT(FILE, VALUE) \ -do { \ - long t; \ - char str[30]; \ - REAL_VALUE_TO_TARGET_SINGLE ((VALUE), t); \ - REAL_VALUE_TO_DECIMAL ((VALUE), "%.20e", str); \ - fprintf (FILE, "\t.word\t0x%lx %s %s\n", \ - t, ASM_COMMENT_START, str); \ -} while (0) - -/* This is how to output an assembler line defining a `double' constant. */ -#define ASM_OUTPUT_DOUBLE(FILE, VALUE) \ -do { \ - long t[2]; \ - char str[30]; \ - REAL_VALUE_TO_TARGET_DOUBLE ((VALUE), t); \ - REAL_VALUE_TO_DECIMAL ((VALUE), "%.20e", str); \ - fprintf (FILE, "\t.word\t0x%lx %s %s\n\t.word\t0x%lx\n", \ - t[0], ASM_COMMENT_START, str, t[1]); \ -} while (0) - -/* This is how to output an assembler line for a numeric constant byte. */ -#define ASM_OUTPUT_BYTE(FILE, VALUE) \ - fprintf (FILE, "\t%s\t0x%x\n", ASM_BYTE_OP, (VALUE)) - -/* The assembler's parentheses characters. */ -#define ASM_OPEN_PAREN "(" -#define ASM_CLOSE_PAREN ")" - -/* This is how to output the definition of a user-level label named NAME, - such as the label on a static function or variable NAME. */ -/* On the M32R we need to ensure the next instruction starts on a 32 bit - boundary [the previous insn must either be 2 16 bit insns or 1 32 bit]. */ -#define ASM_OUTPUT_LABEL(FILE, NAME) \ -do { \ - assemble_name (FILE, NAME); \ - fputs (":\n", FILE); \ -} while (0) - -/* This is how to output a command to make the user-level label named NAME - defined for reference from other files. */ -#define ASM_GLOBALIZE_LABEL(FILE, NAME) \ -do { \ - fputs ("\t.global\t", FILE); \ - assemble_name (FILE, NAME); \ - fputs ("\n", FILE); \ -} while (0) - -/* This is how to output a reference to a user-level label named NAME. - `assemble_name' uses this. */ -#undef ASM_OUTPUT_LABELREF -#define ASM_OUTPUT_LABELREF(FILE, NAME) \ -do { \ - char * real_name; \ - STRIP_NAME_ENCODING (real_name, (NAME)); \ - asm_fprintf (FILE, "%U%s", real_name); \ -} while (0) - -/* If -Os, don't force line number labels to begin at the beginning of - the word; we still want the assembler to try to put things in parallel, - should that be possible. - For m32r/d, instructions are never in parallel (other than with a nop) - and the simulator and stub both handle a breakpoint in the middle of - a word so don't ever force line number labels to begin at the beginning - of a word. */ - -#undef ASM_OUTPUT_SOURCE_LINE -#define ASM_OUTPUT_SOURCE_LINE(file, line) \ -do \ - { \ - static int sym_lineno = 1; \ - fprintf (file, ".stabn 68,0,%d,.LM%d-", \ - line, sym_lineno); \ - assemble_name (file, \ - XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0));\ - fprintf (file, \ - (optimize_size || TARGET_M32R) \ - ? "\n\t.debugsym .LM%d\n" \ - : "\n.LM%d:\n", \ - sym_lineno); \ - sym_lineno += 1; \ - } \ -while (0) - -/* Store in OUTPUT a string (made with alloca) containing - an assembler-name for a local static variable named NAME. - LABELNO is an integer which is different for each call. */ -#define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \ -do { \ - (OUTPUT) = (char *) alloca (strlen ((NAME)) + 10); \ - sprintf ((OUTPUT), "%s.%d", (NAME), (LABELNO)); \ -} while (0) - -/* How to refer to registers in assembler output. - This sequence is indexed by compiler's hard-register-number (see above). */ -#ifndef SUBTARGET_REGISTER_NAMES -#define SUBTARGET_REGISTER_NAMES -#endif - -#define REGISTER_NAMES \ -{ \ - "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \ - "r8", "r9", "r10", "r11", "r12", "fp", "lr", "sp", \ - "ap", "cbit", "a0" \ - SUBTARGET_REGISTER_NAMES \ -} - -/* If defined, a C initializer for an array of structures containing - a name and a register number. This macro defines additional names - for hard registers, thus allowing the `asm' option in declarations - to refer to registers using alternate names. */ -#ifndef SUBTARGET_ADDITIONAL_REGISTER_NAMES -#define SUBTARGET_ADDITIONAL_REGISTER_NAMES -#endif - -#define ADDITIONAL_REGISTER_NAMES \ -{ \ - /*{ "gp", GP_REGNUM },*/ \ - { "r13", FRAME_POINTER_REGNUM }, \ - { "r14", RETURN_ADDR_REGNUM }, \ - { "r15", STACK_POINTER_REGNUM }, \ - SUBTARGET_ADDITIONAL_REGISTER_NAMES \ -} - -/* A C expression which evaluates to true if CODE is a valid - punctuation character for use in the `PRINT_OPERAND' macro. */ -extern char m32r_punct_chars[]; -#define PRINT_OPERAND_PUNCT_VALID_P(CHAR) \ -m32r_punct_chars[(unsigned char) (CHAR)] - -/* Print operand X (an rtx) in assembler syntax to file FILE. - CODE is a letter or dot (`z' in `%z0') or 0 if no letter was specified. - For `%' followed by punctuation, CODE is the punctuation and X is null. */ -#define PRINT_OPERAND(FILE, X, CODE) \ -m32r_print_operand (FILE, X, CODE) - -/* A C compound statement to output to stdio stream STREAM the - assembler syntax for an instruction operand that is a memory - reference whose address is ADDR. ADDR is an RTL expression. - - On some machines, the syntax for a symbolic address depends on - the section that the address refers to. On these machines, - define the macro `ENCODE_SECTION_INFO' to store the information - into the `symbol_ref', and then check for it here. */ -#define PRINT_OPERAND_ADDRESS(FILE, ADDR) \ -m32r_print_operand_address (FILE, ADDR) - -/* If defined, C string expressions to be used for the `%R', `%L', - `%U', and `%I' options of `asm_fprintf' (see `final.c'). These - are useful when a single `md' file must support multiple assembler - formats. In that case, the various `tm.h' files can define these - macros differently. */ -#define REGISTER_PREFIX "" -#define LOCAL_LABEL_PREFIX ".L" -#define USER_LABEL_PREFIX "" -#define IMMEDIATE_PREFIX "#" - -/* This is how to output an element of a case-vector that is absolute. */ -#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \ -do { \ - char label[30]; \ - ASM_GENERATE_INTERNAL_LABEL (label, "L", VALUE); \ - fprintf (FILE, "\t.word\t"); \ - assemble_name (FILE, label); \ - fprintf (FILE, "\n"); \ -} while (0) - -/* This is how to output an element of a case-vector that is relative. */ -#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \ -do { \ - char label[30]; \ - ASM_GENERATE_INTERNAL_LABEL (label, "L", VALUE); \ - fprintf (FILE, "\t.word\t"); \ - assemble_name (FILE, label); \ - fprintf (FILE, "-"); \ - ASM_GENERATE_INTERNAL_LABEL (label, "L", REL); \ - assemble_name (FILE, label); \ - fprintf (FILE, ")\n"); \ -} while (0) - -/* The desired alignment for the location counter at the beginning - of a loop. */ -/* On the M32R, align loops to 32 byte boundaries (cache line size) - if -malign-loops. */ -#define LOOP_ALIGN(LABEL) (TARGET_ALIGN_LOOPS ? 5 : 0) - -/* Define this to be the maximum number of insns to move around when moving - a loop test from the top of a loop to the bottom - and seeing whether to duplicate it. The default is thirty. - - Loop unrolling currently doesn't like this optimization, so - disable doing if we are unrolling loops and saving space. */ -#define LOOP_TEST_THRESHOLD (optimize_size \ - && !flag_unroll_loops \ - && !flag_unroll_all_loops ? 2 : 30) - -/* This is how to output an assembler line - that says to advance the location counter - to a multiple of 2**LOG bytes. */ -/* .balign is used to avoid confusion. */ -#define ASM_OUTPUT_ALIGN(FILE,LOG) \ -do { \ - if ((LOG) != 0) \ - fprintf (FILE, "\t.balign %d\n", 1 << (LOG)); \ -} while (0) - -/* Like `ASM_OUTPUT_COMMON' except takes the required alignment as a - separate, explicit argument. If you define this macro, it is used in - place of `ASM_OUTPUT_COMMON', and gives you more flexibility in - handling the required alignment of the variable. The alignment is - specified as the number of bits. */ - -#define SCOMMON_ASM_OP ".scomm" - -#undef ASM_OUTPUT_ALIGNED_COMMON -#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \ -do { \ - if (! TARGET_SDATA_NONE \ - && (SIZE) > 0 && (SIZE) <= g_switch_value) \ - fprintf ((FILE), "\t%s\t", SCOMMON_ASM_OP); \ - else \ - fprintf ((FILE), "\t%s\t", COMMON_ASM_OP); \ - assemble_name ((FILE), (NAME)); \ - fprintf ((FILE), ",%u,%u\n", (SIZE), (ALIGN) / BITS_PER_UNIT); \ -} while (0) - -/* Like `ASM_OUTPUT_BSS' except takes the required alignment as a - separate, explicit argument. If you define this macro, it is used in - place of `ASM_OUTPUT_BSS', and gives you more flexibility in - handling the required alignment of the variable. The alignment is - specified as the number of bits. - - For the M32R we need sbss support. */ - -#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ -do { \ - ASM_GLOBALIZE_LABEL (FILE, NAME); \ - ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \ -} while (0) - -/* Debugging information. */ - -/* Generate DBX and DWARF debugging information. */ -#undef DBX_DEBUGGING_INFO -#undef DWARF_DEBUGGING_INFO -#undef DWARF2_DEBUGGING_INFO - -#define DBX_DEBUGGING_INFO -#define DWARF_DEBUGGING_INFO -#define DWARF2_DEBUGGING_INFO - -/* Prefer STABS (for now). */ -#undef PREFERRED_DEBUGGING_TYPE -#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG - -/* How to renumber registers for dbx and gdb. */ -#define DBX_REGISTER_NUMBER(REGNO) (REGNO) - -/* Turn off splitting of long stabs. */ -#define DBX_CONTIN_LENGTH 0 - -/* Miscellaneous. */ - -/* Specify the machine mode that this machine uses - for the index in the tablejump instruction. */ -#define CASE_VECTOR_MODE Pmode - -/* Define as C expression which evaluates to nonzero if the tablejump - instruction expects the table to contain offsets from the address of the - table. - Do not define this if the table should contain absolute addresses. */ -/* It's not clear what PIC will look like or whether we want to use -fpic - for the embedded form currently being talked about. For now require -fpic - to get pc relative switch tables. */ -/*#define CASE_VECTOR_PC_RELATIVE 1 */ - -/* Define if operations between registers always perform the operation - on the full register even if a narrower mode is specified. */ -#define WORD_REGISTER_OPERATIONS - -/* Define if loading in MODE, an integral mode narrower than BITS_PER_WORD - will either zero-extend or sign-extend. The value of this macro should - be the code that says which one of the two operations is implicitly - done, NIL if none. */ -#define LOAD_EXTEND_OP(MODE) ZERO_EXTEND - -/* Specify the tree operation to be used to convert reals to integers. */ -#define IMPLICIT_FIX_EXPR FIX_ROUND_EXPR - -/* This is the kind of divide that is easiest to do in the general case. */ -#define EASY_DIV_EXPR TRUNC_DIV_EXPR - -/* Max number of bytes we can move from memory to memory - in one reasonably fast instruction. */ -#define MOVE_MAX 4 - -/* Define this to be nonzero if shift instructions ignore all but the low-order - few bits. */ -#define SHIFT_COUNT_TRUNCATED 1 - -/* Value is 1 if truncating an integer of INPREC bits to OUTPREC bits - is done just by pretending it is already truncated. */ -#define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 1 - -/* We assume that the store-condition-codes instructions store 0 for false - and some other value for true. This is the value stored for true. */ -#define STORE_FLAG_VALUE 1 - -/* Specify the machine mode that pointers have. - After generation of rtl, the compiler makes no further distinction - between pointers and any other objects of this machine mode. */ -/* ??? The M32R doesn't have full 32 bit pointers, but making this PSImode has - it's own problems (you have to add extendpsisi2 and truncsipsi2). - Try to avoid it. */ -#define Pmode SImode - -/* A function address in a call instruction. */ -#define FUNCTION_MODE SImode - -/* A C expression whose value is nonzero if IDENTIFIER with arguments ARGS - is a valid machine specific attribute for DECL. - The attributes in ATTRIBUTES have previously been assigned to TYPE. */ -#define VALID_MACHINE_DECL_ATTRIBUTE(DECL, ATTRIBUTES, IDENTIFIER, ARGS) \ -m32r_valid_machine_decl_attribute (DECL, ATTRIBUTES, IDENTIFIER, ARGS) - -/* A C expression that returns zero if the attributes on TYPE1 and TYPE2 are - incompatible, one if they are compatible, and two if they are - nearly compatible (which causes a warning to be generated). */ -#define COMP_TYPE_ATTRIBUTES(TYPE1, TYPE2) \ -m32r_comp_type_attributes (TYPE1, TYPE2) - -/* Give newly defined TYPE some default attributes. */ -#define SET_DEFAULT_TYPE_ATTRIBUTES(TYPE) \ -m32r_set_default_type_attributes (TYPE) - -/* Define the information needed to generate branch and scc insns. This is - stored from the compare operation. Note that we can't use "rtx" here - since it hasn't been defined! */ -extern struct rtx_def * m32r_compare_op0; -extern struct rtx_def * m32r_compare_op1; - -/* M32R function types. */ -enum m32r_function_type -{ - M32R_FUNCTION_UNKNOWN, - M32R_FUNCTION_NORMAL, - M32R_FUNCTION_INTERRUPT -}; - -#define M32R_INTERRUPT_P(TYPE) ((TYPE) == M32R_FUNCTION_INTERRUPT) - -/* Define this if you have defined special-purpose predicates in the - file `MACHINE.c'. This macro is called within an initializer of an - array of structures. The first field in the structure is the name - of a predicate and the second field is an array of rtl codes. For - each predicate, list all rtl codes that can be in expressions - matched by the predicate. The list should have a trailing comma. */ - -#define PREDICATE_CODES \ -{ "conditional_compare_operand",{ EQ, NE }}, \ -{ "binary_parallel_operator", { PLUS, MINUS, MULT, AND, IOR, XOR }}, \ -{ "unary_parallel_operator", { NOT, NEG }}, \ -{ "reg_or_zero_operand", { REG, SUBREG, CONST_INT }}, \ -{ "carry_compare_operand", { EQ, NE }}, \ -{ "eqne_comparison_operator", { EQ, NE }}, \ -{ "signed_comparison_operator", { EQ, NE, LT, LE, GT, GE }}, \ -{ "move_dest_operand", { REG, SUBREG, MEM }}, \ -{ "move_src_operand", { REG, SUBREG, MEM, CONST_INT, \ - CONST_DOUBLE, LABEL_REF, CONST, \ - SYMBOL_REF }}, \ -{ "move_double_src_operand", { REG, SUBREG, MEM, CONST_INT, \ - CONST_DOUBLE }}, \ -{ "two_insn_const_operand", { CONST_INT }}, \ -{ "symbolic_operand", { SYMBOL_REF, LABEL_REF, CONST }}, \ -{ "seth_add3_operand", { SYMBOL_REF, LABEL_REF, CONST }}, \ -{ "int8_operand", { CONST_INT }}, \ -{ "uint16_operand", { CONST_INT }}, \ -{ "reg_or_int16_operand", { REG, SUBREG, CONST_INT }}, \ -{ "reg_or_uint16_operand", { REG, SUBREG, CONST_INT }}, \ -{ "reg_or_cmp_int16_operand", { REG, SUBREG, CONST_INT }}, \ -{ "reg_or_eq_int16_operand", { REG, SUBREG, CONST_INT }}, \ -{ "cmp_int16_operand", { CONST_INT }}, \ -{ "call_address_operand", { SYMBOL_REF, LABEL_REF, CONST }}, \ -{ "extend_operand", { REG, SUBREG, MEM }}, \ -{ "small_insn_p", { INSN, CALL_INSN, JUMP_INSN }}, \ -{ "m32r_not_same_reg", { REG, SUBREG }}, \ -{ "m32r_block_immediate_operand",{ CONST_INT }}, \ -{ "large_insn_p", { INSN, CALL_INSN, JUMP_INSN }}, - -/* Functions declared in m32r.c */ -#ifndef PROTO -#if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__) -#define PROTO(ARGS) ARGS -#else -#define PROTO(ARGS) () -#endif -#endif - -#ifdef BUFSIZ /* stdio.h has been included, ok to use FILE * */ -#define STDIO_PROTO(ARGS) PROTO(ARGS) -#else -#define STDIO_PROTO(ARGS) () -#endif - -#ifndef TREE_CODE -union tree_node; -#define Tree union tree_node * -#else -#define Tree tree -#endif - -#ifndef RTX_CODE -struct rtx_def; -#define Rtx struct rtx_def * -#else -#define Rtx rtx -#endif - -extern void sbss_section PROTO((void)); -extern void sdata_section PROTO((void)); -extern void m32r_init PROTO((void)); -extern int m32r_valid_machine_decl_attribute PROTO((Tree, Tree, Tree, Tree)); -extern int m32r_comp_type_attributes PROTO((Tree, Tree)); -extern void m32r_select_section PROTO((Tree, int)); -extern void m32r_encode_section_info PROTO((Tree)); -extern void m32r_init_expanders PROTO((void)); -extern int call_address_operand PROTO((Rtx, int)); -extern int call_operand PROTO((Rtx, int)); -extern int symbolic_operand PROTO((Rtx, int)); -extern int small_data_operand PROTO((Rtx, int)); -extern int addr24_operand PROTO((Rtx, int)); -extern int addr32_operand PROTO((Rtx, int)); -extern int call26_operand PROTO((Rtx, int)); -extern int seth_add3_operand PROTO((Rtx, int)); -extern int int8_operand PROTO((Rtx, int)); -extern int cmp_int16_operand PROTO((Rtx, int)); -extern int uint16_operand PROTO((Rtx, int)); -extern int reg_or_int16_operand PROTO((Rtx, int)); -extern int reg_or_uint16_operand PROTO((Rtx, int)); -extern int reg_or_cmp_nt16_operand PROTO((Rtx, int)); -extern int reg_or_eqne_nt16_operand PROTO((Rtx, int)); -extern int two_insn_const_operand PROTO((Rtx, int)); -extern int move_src_operand PROTO((Rtx, int)); -extern int move_double_src_operand PROTO((Rtx, int)); -extern int move_dest_operand PROTO((Rtx, int)); -extern int easy_di_const PROTO((Rtx)); -extern int easy_df_const PROTO((Rtx)); -extern int eqne_comparison_operator PROTO((Rtx, int)); -extern int signed_comparison_operator PROTO((Rtx, int)); -extern int memreg_operand PROTO((Rtx, int)); -extern int extend_operand PROTO((Rtx, int)); -extern int reg_or_zero_operand PROTO((Rtx, int)); -extern int small_insn_p PROTO((Rtx, int)); -extern int large_insn_p PROTO((Rtx, int)); -extern int direct_return PROTO((void)); -extern int m32r_select_cc_mode PROTO((int, Rtx, Rtx)); -extern Rtx gen_compare PROTO((int, Rtx, Rtx, Rtx)); -extern Rtx gen_split_move_double PROTO((Rtx *)); -extern int function_arg_partial_nregs PROTO((CUMULATIVE_ARGS *, - int, Tree, int)); -extern void m32r_setup_incoming_varargs PROTO((CUMULATIVE_ARGS *, - int, Tree, int *, - int)); -extern int m32r_address_cost PROTO((Rtx)); -extern int m32r_adjust_cost PROTO((Rtx, Rtx, Rtx, int)); -extern int m32r_adjust_priority PROTO((Rtx, int)); -extern void m32r_sched_init STDIO_PROTO((FILE *, int)); -extern void m32r_sched_reorder STDIO_PROTO((FILE *, int, Rtx *, int)); -extern int m32r_sched_variable_issue STDIO_PROTO((FILE *, int, Rtx, int)); -extern enum m32r_function_type m32r_compute_function_type - PROTO((Tree)); -extern unsigned m32r_compute_frame_size PROTO((int)); -extern int m32r_first_insn_address PROTO((void)); -extern void m32r_expand_prologue PROTO((void)); -extern void m32r_output_function_prologue STDIO_PROTO((FILE *, int)); -extern void m32r_output_function_epilogue STDIO_PROTO((FILE *, int)); -extern void m32r_finalize_pic PROTO((void)); -extern void m32r_initialize_trampoline PROTO((Rtx, Rtx, Rtx)); -extern void m32r_asm_file_start STDIO_PROTO((FILE *)); -extern void m32r_print_operand STDIO_PROTO((FILE *, Rtx, int)); -extern void m32r_print_operand_address STDIO_PROTO((FILE *, Rtx)); -extern int zero_and_one PROTO((Rtx, Rtx)); -extern int conditional_move_operand PROTO((Rtx, int)); -extern int carry_compare_operand PROTO((Rtx, int)); -extern char *emit_cond_move PROTO((Rtx *, Rtx)); -extern int conditional_compare_operand PROTO((Rtx, int)); -extern int binary_parallel_operand PROTO((Rtx, int)); -extern int unary_parallel_operand PROTO((Rtx, int)); -extern char *emit_binary_cond_exec PROTO((Rtx *, int)); -extern char *emit_unary_cond_exec PROTO((Rtx *, int)); - -/* Externals that are referenced, but may not have the proper include file - dragged in. */ -extern int optimize; -extern int optimize_size; - -/* END CYGNUS LOCAL -- meissner/m32r work */ - -extern int m32r_not_same_reg PROTO((Rtx, Rtx)); -extern char * m32r_output_block_move PROTO((Rtx, Rtx *)); -extern int m32r_block_immediate_operand PROTO((Rtx, int)); -extern void m32r_expand_block_move PROTO((Rtx *)); |