diff options
author | YamaArashi <shadow962@live.com> | 2016-02-11 01:12:34 -0800 |
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committer | YamaArashi <shadow962@live.com> | 2016-02-11 01:12:34 -0800 |
commit | b84b6b23fa58beb5674b37279742eb65461ca076 (patch) | |
tree | a85da124cbf9f888a31b750ede3a832c2c6b96aa /gcc/config/v850/v850.h | |
parent | 23e2a17097740709d4466a802e03992116b12900 (diff) |
delete irrelevant configs
Diffstat (limited to 'gcc/config/v850/v850.h')
-rwxr-xr-x | gcc/config/v850/v850.h | 1792 |
1 files changed, 0 insertions, 1792 deletions
diff --git a/gcc/config/v850/v850.h b/gcc/config/v850/v850.h deleted file mode 100755 index 44c8b2a..0000000 --- a/gcc/config/v850/v850.h +++ /dev/null @@ -1,1792 +0,0 @@ -/* Definitions of target machine for GNU compiler. NEC V850 series - Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc. - Contributed by Jeff Law (law@cygnus.com). - -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. */ - -#include "svr4.h" /* Automatically does #undef CPP_PREDEFINES */ - -#undef ASM_SPEC -#define ASM_SPEC "%{mv*:-mv%*}" - -/* CYGNUS LOCAL v850e */ -/* We must pass a -mv850 option to the assembler if no explicit -mv* option - is given, because the assembler's processor default may not be correct. */ - -#ifndef SUBTARGET_ASM_SPEC -#define SUBTARGET_ASM_SPEC "%{!mv*:-mv850}" -#endif - -#undef ASM_SPEC -#define ASM_SPEC "%{mv*:-mv%*} %(subtarget_asm_spec)" - -#ifndef CPP_SPEC -#define CPP_SPEC "%{mv850ea:-D__v850ea__} %{mv850e:-D__v850e__} %{mv850:-D__v850__} %{!mv*:-D__v850__}" -#endif - -#define EXTRA_SPECS { "subtarget_asm_spec", SUBTARGET_ASM_SPEC } -/* END CYGNUS LOCAL */ - -#ifndef CPP_SPEC -#define CPP_SPEC "-D__v850__" -#endif - -#undef ASM_FINAL_SPEC -#undef LIB_SPEC -#undef ENDFILE_SPEC -#undef LINK_SPEC -#undef STARTFILE_SPEC - -/* Names to predefine in the preprocessor for this target machine. */ -#define CPP_PREDEFINES "-D__v851__ -D__v850" - -/* Print subsidiary information on the compiler version in use. */ - -#ifndef TARGET_VERSION -#define TARGET_VERSION fprintf (stderr, " (NEC V850)"); -#endif - - -/* Run-time compilation parameters selecting different hardware subsets. */ - -extern int target_flags; - -/* Target flags bits, see below for an explanation of the bits. */ -#define MASK_GHS 0x00000001 -#define MASK_LONG_CALLS 0x00000002 -#define MASK_EP 0x00000004 -#define MASK_PROLOG_FUNCTION 0x00000008 -#define MASK_DEBUG 0x40000000 - -#define MASK_CPU 0x00000030 -#define MASK_V850 0x00000010 - -/* CYGNUS LOCAL v850e */ -#define MASK_SMALL_SLD 0x00000040 -/* END CYGNUS LOCAL */ -#define MASK_BIG_SWITCH 0x00000100 -/* CYGNUS LOCAL nickc/ghs */ -#define MASK_NO_APP_REGS 0x00000200 -/* END CYGNUS LOCAL */ -/* CYGNUS LOCAL v850e */ -#define MASK_DISABLE_CALLT 0x00000400 -/* END CYGNUS LOCAL */ - -#ifndef MASK_DEFAULT -#define MASK_DEFAULT MASK_V850 -#endif - -#define TARGET_V850 ((target_flags & MASK_CPU) == MASK_V850) - -/* CYGNUS LOCAL nickc/v850e */ -/* This is a development hack. In order to test building - GCC for a V850 toolchain as well as a V850EA toolchain - I want to be able to use the same sources. - This would normally fail because TARGET_V850E is undefined, - so v850.md will not compile. To get around this I define - TARGET_V850E here. In released code this hack, plus the - sections of v850.md where TARGET_V850E are used will - disappear, so noone need ever know what I have done :-) */ - -#ifndef TARGET_V850E -#define MASK_V850E 0x00000020 -#define TARGET_V850E ((target_flags & MASK_CPU) == MASK_V850E) -#endif - -#ifndef TARGET_V850EA -#define MASK_V850EA 0x00000030 -#define TARGET_V850EA ((target_flags & MASK_CPU) == MASK_V850EA) -#endif - -#ifndef EXTRA_SWITCHES -#define EXTRA_SWITCHES { "v850e", MASK_V850E, "Compile for v850e processor" }, \ - { "v850e", -(MASK_V850E ^ MASK_CPU), "" }, /* Make sure that the other bits are cleared. */ \ - { "v850ea", MASK_V850EA, "Compile for v850ea processor" }, -#endif - -/* END CYGNUS LOCAL */ - - -/* Macros used in the machine description to test the flags. */ - -/* The GHS calling convention support doesn't really work, - mostly due to a lack of documentation. Outstanding issues: - - * How do varargs & stdarg really work. How to they handle - passing structures (if at all). - - * Doubles are normally 4 byte aligned, except in argument - lists where they are 8 byte aligned. Is the alignment - in the argument list based on the first parameter, - first stack parameter, etc etc. - - * Passing/returning of large structures probably isn't the same - as GHS. We don't have enough documentation on their conventions - to be compatible. - - * Tests of SETUP_INCOMING_VARARGS need to be made runtime checks - since it depends on TARGET_GHS. */ -#define TARGET_GHS (target_flags & MASK_GHS) - -/* Don't do PC-relative calls, instead load the address of the target - function into a register and perform a register indirect call. */ -#define TARGET_LONG_CALLS (target_flags & MASK_LONG_CALLS) - -/* Whether to optimize space by using ep (r30) for pointers with small offsets - in basic blocks. */ -#define TARGET_EP (target_flags & MASK_EP) - -/* Whether to call out-of-line functions to save registers or not. */ -#define TARGET_PROLOG_FUNCTION (target_flags & MASK_PROLOG_FUNCTION) - -/* CYGNUS LOCAL v850e */ -/* Whether to assume that the SLD.B and SLD.H instructions only have small - displacement fields, thus allowing the generated code to run on any of - the V850 range of processors. */ -#define TARGET_SMALL_SLD (target_flags & MASK_SMALL_SLD) - -/* True if callt will not be used for function prolog & epilog */ -#define TARGET_DISABLE_CALLT (target_flags & MASK_DISABLE_CALLT) -/* END CYGNUS LOCAL */ - -/* Whether to emit 2 byte per entry or 4 byte per entry switch tables. */ -#define TARGET_BIG_SWITCH (target_flags & MASK_BIG_SWITCH) - -/* CYGNUS LOCAL nickc/ghs */ -/* True if r2 and r5 can be used by the compiler. False if r2 and r5 - are to be fixed registers (for compatibility with GHS). */ -#define TARGET_NO_APP_REGS (target_flags & MASK_NO_APP_REGS) -/* END CYGNUS LOCAL */ - -/* General debug flag */ -#define TARGET_DEBUG (target_flags & MASK_DEBUG) - -/* 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. */ - -#define TARGET_SWITCHES \ - {{ "ghs", MASK_GHS, "Support Green Hills ABI" }, \ - { "no-ghs", -MASK_GHS, "" }, \ - { "long-calls", MASK_LONG_CALLS, \ - "Prohibit PC relative function calls" },\ - { "no-long-calls", -MASK_LONG_CALLS, "" }, \ - { "ep", MASK_EP, \ - "Reuse r30 on a per function basis" }, \ - { "no-ep", -MASK_EP, "" }, \ - { "prolog-function", MASK_PROLOG_FUNCTION, \ - "Use stubs for function prologues" }, \ - { "no-prolog-function", -MASK_PROLOG_FUNCTION, "" }, \ - { "space", MASK_EP | MASK_PROLOG_FUNCTION, \ - "Same as: -mep -mprolog-function" }, \ - { "debug", MASK_DEBUG, "Enable backend debugging" }, \ - { "v850", MASK_V850, \ - "Compile for the v850 processor" }, \ - { "v850", -(MASK_V850 ^ MASK_CPU), "" }, \ - { "big-switch", MASK_BIG_SWITCH, \ - "Use 4 byte entries in switch tables" },\ -/* CYGNUS LOCAL nickc/ghs */ \ - { "app-regs", -MASK_NO_APP_REGS, "" }, \ - { "no-app-regs", MASK_NO_APP_REGS, \ - "Do not use registers r2 and r5" }, \ -/* END CYGNUS LOCAL */ \ -/* CYGNUS LOCAL v850e */ \ - { "small-sld", MASK_SMALL_SLD, "" }, \ - { "no-small-sld", -MASK_SMALL_SLD, "" }, \ - { "disable-callt", MASK_DISABLE_CALLT, \ - "Do not use the callt instruction" }, \ - { "no-disable-callt", -MASK_DISABLE_CALLT, "" }, \ -/* END CYGNUS LOCAL */ \ - EXTRA_SWITCHES \ - { "", TARGET_DEFAULT, ""}} - -#ifndef EXTRA_SWITCHES -#define EXTRA_SWITCHES -#endif - -#ifndef TARGET_DEFAULT -#define TARGET_DEFAULT MASK_DEFAULT -#endif - -/* Information about the various small memory areas. */ -struct small_memory_info { - char *name; - char *value; - long max; - long physical_max; -}; - -enum small_memory_type { - /* tiny data area, using EP as base register */ - SMALL_MEMORY_TDA = 0, - /* small data area using dp as base register */ - SMALL_MEMORY_SDA, - /* zero data area using r0 as base register */ - SMALL_MEMORY_ZDA, - SMALL_MEMORY_max -}; - -extern struct small_memory_info small_memory[(int)SMALL_MEMORY_max]; - -/* This macro is similar to `TARGET_SWITCHES' but defines names of - command options that have values. Its definition is an - initializer with a subgrouping for each command option. - - Each subgrouping contains a string constant, that defines the - fixed part of the option name, and the address of a variable. The - variable, type `char *', is set to the variable part of the given - option if the fixed part matches. The actual option name is made - by appending `-m' to the specified name. - - Here is an example which defines `-mshort-data-NUMBER'. If the - given option is `-mshort-data-512', the variable `m88k_short_data' - will be set to the string `"512"'. - - extern char *m88k_short_data; - #define TARGET_OPTIONS \ - { { "short-data-", &m88k_short_data } } */ - -#define TARGET_OPTIONS \ -{ \ - { "tda=", &small_memory[ (int)SMALL_MEMORY_TDA ].value, \ - "Set the max size of data eligible for the TDA area" }, \ - { "tda-", &small_memory[ (int)SMALL_MEMORY_TDA ].value, "" }, \ - { "sda=", &small_memory[ (int)SMALL_MEMORY_SDA ].value, \ - "Set the max size of data eligible for the SDA area" }, \ - { "sda-", &small_memory[ (int)SMALL_MEMORY_SDA ].value, "" }, \ - { "zda=", &small_memory[ (int)SMALL_MEMORY_ZDA ].value, \ - "Set the max size of data eligible for the ZDA area" }, \ - { "zda-", &small_memory[ (int)SMALL_MEMORY_ZDA ].value, "" }, \ -} - -/* 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. */ -#define OVERRIDE_OPTIONS override_options () - - -/* Show we can debug even without a frame pointer. */ -#define CAN_DEBUG_WITHOUT_FP - -/* 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, 0 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 machine-specific optimizations. - - *Do not examine `write_symbols' in this macro!* The debugging - options are not supposed to alter the generated code. */ - -#define OPTIMIZATION_OPTIONS(LEVEL,SIZE) \ -{ \ - if (LEVEL) \ - target_flags |= (MASK_EP | MASK_PROLOG_FUNCTION); \ -} - - -/* Target machine storage layout */ - -/* Define this if most significant bit is lowest numbered - in instructions that operate on numbered bit-fields. - This is not true on the NEC V850. */ -#define BITS_BIG_ENDIAN 0 - -/* Define this if most significant byte of a word is the lowest numbered. */ -/* This is not true on the NEC V850. */ -#define BYTES_BIG_ENDIAN 0 - -/* Define this if most significant word of a multiword number is lowest - numbered. - This is not true on the NEC V850. */ -#define WORDS_BIG_ENDIAN 0 - -/* 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 - -/* Width in bits of a pointer. - See also the macro `Pmode' defined below. */ -#define POINTER_SIZE 32 - -/* 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. - - Some simple experiments have shown that leaving UNSIGNEDP alone - generates the best overall code. */ - -#define PROMOTE_MODE(MODE,UNSIGNEDP,TYPE) \ - if (GET_MODE_CLASS (MODE) == MODE_INT \ - && GET_MODE_SIZE (MODE) < 4) \ - { (MODE) = SImode; } - -/* Allocation boundary (in *bits*) for storing arguments in argument list. */ -#define PARM_BOUNDARY 32 - -/* The stack goes in 32 bit lumps. */ -#define STACK_BOUNDARY 32 - -/* Allocation boundary (in *bits*) for the code of a function. - 16 is the minimum boundary; 32 would give better performance. */ -#define FUNCTION_BOUNDARY 16 - -/* No data type wants to be aligned rounder than this. */ -#define BIGGEST_ALIGNMENT 32 - -/* Alignment of field after `int : 0' in a structure. */ -#define EMPTY_FIELD_BOUNDARY 32 - -/* No structure field wants to be aligned rounder than this. */ -#define BIGGEST_FIELD_ALIGNMENT 32 - -/* Define this if move instructions will actually fail to work - when given unaligned data. */ -#define STRICT_ALIGNMENT 1 - -/* Define this as 1 if `char' should by default be signed; else as 0. - - On the NEC V850, loads do sign extension, so make this default. */ -#define DEFAULT_SIGNED_CHAR 1 - -/* 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 FIRST_PSEUDO_REGISTER 34 - -/* 1 for registers that have pervasive standard uses - and are not available for the register allocator. */ - -#define FIXED_REGISTERS \ - { 1, 1, 0, 1, 1, 0, 0, 0, \ - 0, 0, 0, 0, 0, 0, 0, 0, \ - 0, 0, 0, 0, 0, 0, 0, 0, \ - 0, 0, 0, 0, 0, 0, 1, 0, \ - 1, 1} - -/* 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. */ - -#define CALL_USED_REGISTERS \ - { 1, 1, 0, 1, 1, 1, 1, 1, \ - 1, 1, 1, 1, 1, 1, 1, 1, \ - 1, 1, 1, 1, 0, 0, 0, 0, \ - 0, 0, 0, 0, 0, 0, 1, 1, \ - 1, 1} - -/* List the order in which to allocate registers. Each register must be - listed once, even those in FIXED_REGISTERS. - - On the 850, we make the return registers first, then all of the volatile - registers, then the saved registers in reverse order to better save the - registers with an out of line function, and finally the fixed - registers. */ - -#define REG_ALLOC_ORDER \ -{ \ - 10, 11, /* return registers */ \ - 12, 13, 14, 15, 16, 17, 18, 19, /* scratch registers */ \ - 6, 7, 8, 9, 31, /* argument registers */ \ - 29, 28, 27, 26, 25, 24, 23, 22, /* saved registers */ \ - 21, 20, 2, \ - 0, 1, 3, 4, 5, 30, 32, 33 /* fixed registers */ \ -} - -/* CYGNUS LOCAL nickc/ghs */ -/* If TARGET_NO_APP_REGS is not defined then add r2 and r5 to - the pool of fixed registers. See PR 14505. */ -#define CONDITIONAL_REGISTER_USAGE \ -{ \ - if (TARGET_NO_APP_REGS) \ - { \ - fixed_regs[2] = 1; call_used_regs[2] = 1; \ - fixed_regs[5] = 1; call_used_regs[5] = 1; \ - } \ -} -/* END CYGNUS LOCAL */ - -/* 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. */ - -#define HARD_REGNO_MODE_OK(REGNO, MODE) \ - ((((REGNO) & 1) == 0) || (GET_MODE_SIZE (MODE) <= 4)) - -/* Value is 1 if it is a good idea to tie two pseudo registers - when one has mode MODE1 and one has mode MODE2. - If HARD_REGNO_MODE_OK could produce different values for MODE1 and MODE2, - for any hard reg, then this must be 0 for correct output. */ -#define MODES_TIEABLE_P(MODE1, MODE2) \ - (MODE1 == MODE2 || GET_MODE_SIZE (MODE1) <= 4 && GET_MODE_SIZE (MODE2) <= 4) - - -/* 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. */ - -enum reg_class -{ - NO_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", "GENERAL_REGS", "ALL_REGS", "LIM_REGS" } - -/* Define which registers fit in which classes. - This is an initializer for a vector of HARD_REG_SET - of length N_REG_CLASSES. */ - -#define REG_CLASS_CONTENTS \ -{ 0x00000000, /* No regs */ \ - 0xffffffff, /* GENERAL_REGS */ \ - 0xffffffff, /* ALL_REGS */ \ -} - -/* 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. */ - -#define REGNO_REG_CLASS(REGNO) GENERAL_REGS - -/* The class value for index registers, and the one for base regs. */ - -#define INDEX_REG_CLASS NO_REGS -#define BASE_REG_CLASS GENERAL_REGS - -/* Get reg_class from a letter such as appears in the machine description. */ - -#define REG_CLASS_FROM_LETTER(C) (NO_REGS) - -/* Macros to check register numbers against specific register classes. */ - -/* 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 || reg_renumber[regno] >= 0) - -#define REGNO_OK_FOR_INDEX_P(regno) 0 - -/* 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. */ - -#define INT_7_BITS(VALUE) ((unsigned) (VALUE) + 0x40 < 0x80) -#define INT_8_BITS(VALUE) ((unsigned) (VALUE) + 0x80 < 0x100) -/* zero */ -#define CONST_OK_FOR_I(VALUE) ((VALUE) == 0) -/* 5 bit signed immediate */ -#define CONST_OK_FOR_J(VALUE) ((unsigned) (VALUE) + 0x10 < 0x20) -/* 16 bit signed immediate */ -#define CONST_OK_FOR_K(VALUE) ((unsigned) (VALUE) + 0x8000 < 0x10000) -/* valid constant for movhi instruction. */ -#define CONST_OK_FOR_L(VALUE) \ - (((unsigned) ((int) (VALUE) >> 16) + 0x8000 < 0x10000) \ - && CONST_OK_FOR_I ((VALUE & 0xffff))) -/* 16 bit unsigned immediate */ -#define CONST_OK_FOR_M(VALUE) ((unsigned)(VALUE) < 0x10000) -/* 5 bit unsigned immediate in shift instructions */ -#define CONST_OK_FOR_N(VALUE) ((unsigned) (VALUE) <= 31) - -#define CONST_OK_FOR_O(VALUE) 0 -#define CONST_OK_FOR_P(VALUE) 0 - -/* CYGNUS LOCAL v850e */ -#undef CONST_OK_FOR_O -/* 9 bit signed immediate for word multiply instruction. */ -#define CONST_OK_FOR_O(VALUE) ((unsigned) (VALUE) + 0x10000 < 0x20000) -/* END CYGNUS LOCAL */ - -#define CONST_OK_FOR_LETTER_P(VALUE, C) \ - ((C) == 'I' ? CONST_OK_FOR_I (VALUE) : \ - (C) == 'J' ? CONST_OK_FOR_J (VALUE) : \ - (C) == 'K' ? CONST_OK_FOR_K (VALUE) : \ - (C) == 'L' ? CONST_OK_FOR_L (VALUE) : \ - (C) == 'M' ? CONST_OK_FOR_M (VALUE) : \ - (C) == 'N' ? CONST_OK_FOR_N (VALUE) : \ - (C) == 'O' ? CONST_OK_FOR_O (VALUE) : \ - (C) == 'P' ? CONST_OK_FOR_P (VALUE) : \ - 0) - -/* Similar, but for floating constants, and defining letters G and H. - Here VALUE is the CONST_DOUBLE rtx itself. - - `G' is a zero of some form. */ - -#define CONST_DOUBLE_OK_FOR_G(VALUE) \ - ((GET_MODE_CLASS (GET_MODE (VALUE)) == MODE_FLOAT \ - && (VALUE) == CONST0_RTX (GET_MODE (VALUE))) \ - || (GET_MODE_CLASS (GET_MODE (VALUE)) == MODE_INT \ - && CONST_DOUBLE_LOW (VALUE) == 0 \ - && CONST_DOUBLE_HIGH (VALUE) == 0)) - -#define CONST_DOUBLE_OK_FOR_H(VALUE) 0 - -#define CONST_DOUBLE_OK_FOR_LETTER_P(VALUE, C) \ - ((C) == 'G' ? CONST_DOUBLE_OK_FOR_G (VALUE) \ - : (C) == 'H' ? CONST_DOUBLE_OK_FOR_H (VALUE) \ - : 0) - - -/* Stack layout; function entry, exit and calling. */ - -/* Define this if pushing a word on the stack - makes the stack pointer 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 in the frame. */ - -#define FRAME_GROWS_DOWNWARD - -/* Offset within stack frame 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. */ - -#define STARTING_FRAME_OFFSET 0 - -/* Offset of first parameter from the argument pointer register value. */ -/* Is equal to the size of the saved fp + pc, even if an fp isn't - saved since the value is used before we know. */ - -#define FIRST_PARM_OFFSET(FNDECL) 0 - -/* Specify the registers used for certain standard purposes. - The values of these macros are register numbers. */ - -/* Register to use for pushing function arguments. */ -#define STACK_POINTER_REGNUM 3 - -/* Base register for access to local variables of the function. */ -#define FRAME_POINTER_REGNUM 32 - -/* Register containing return address from latest function call. */ -#define LINK_POINTER_REGNUM 31 - -/* On some machines the offset between the frame pointer and starting - offset of the automatic variables is not known until after register - allocation has been done (for example, because the saved registers - are between these two locations). On those machines, define - `FRAME_POINTER_REGNUM' the number of a special, fixed register to - be used internally until the offset is known, and define - `HARD_FRAME_POINTER_REGNUM' to be actual the hard register number - used for the frame pointer. - - You should define this macro only in the very rare circumstances - when it is not possible to calculate the offset between the frame - pointer and the automatic variables until after register - allocation has been completed. When this macro is defined, you - must also indicate in your definition of `ELIMINABLE_REGS' how to - eliminate `FRAME_POINTER_REGNUM' into either - `HARD_FRAME_POINTER_REGNUM' or `STACK_POINTER_REGNUM'. - - Do not define this macro if it would be the same as - `FRAME_POINTER_REGNUM'. */ -#undef HARD_FRAME_POINTER_REGNUM -#define HARD_FRAME_POINTER_REGNUM 29 - -/* Base register for access to arguments of the function. */ -#define ARG_POINTER_REGNUM 33 - -/* Register in which static-chain is passed to a function. */ -#define STATIC_CHAIN_REGNUM 20 - -/* Value should be nonzero if functions must have frame pointers. - Zero means the frame pointer need not be set up (and parms - may be accessed via the stack pointer) in functions that seem suitable. - This is computed in `reload', in reload1.c. */ -#define FRAME_POINTER_REQUIRED 0 - -/* 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. - - The definition of this macro is a list of structure - initializations, each of which specifies an original and - replacement register. - - On some machines, the position of the argument pointer is not - known until the compilation is completed. In such a case, a - separate hard register must be used for the argument pointer. - This register can be eliminated by replacing it with either the - frame pointer or the argument pointer, depending on whether or not - the frame pointer has been eliminated. - - In this case, you might specify: - #define ELIMINABLE_REGS \ - {{ARG_POINTER_REGNUM, STACK_POINTER_REGNUM}, \ - {ARG_POINTER_REGNUM, FRAME_POINTER_REGNUM}, \ - {FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM}} - - 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 }, \ - { FRAME_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM }, \ - { ARG_POINTER_REGNUM, STACK_POINTER_REGNUM }, \ - { ARG_POINTER_REGNUM, HARD_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) \ - ((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) \ -{ \ - if ((FROM) == FRAME_POINTER_REGNUM) \ - (OFFSET) = get_frame_size () + current_function_outgoing_args_size; \ - else if ((FROM) == ARG_POINTER_REGNUM) \ - (OFFSET) = compute_frame_size (get_frame_size (), (long *)0); \ - else \ - abort (); \ -} - -/* A guess for the V850. */ -#define PROMOTE_PROTOTYPES 1 - -/* Keep the stack pointer constant throughout the function. */ -#define ACCUMULATE_OUTGOING_ARGS - -/* 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(FUNDECL,FUNTYPE,SIZE) 0 - - -/* 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 struct cum_arg -struct cum_arg { int nbytes; }; - -/* Define where to put the arguments 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). */ - -#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \ - function_arg (&CUM, MODE, TYPE, NAMED) - -#define FUNCTION_ARG_PARTIAL_NREGS(CUM, MODE, TYPE, NAMED) \ - function_arg_partial_nregs (&CUM, MODE, TYPE, NAMED) - -/* 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).nbytes = 0) - -/* 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).nbytes += ((MODE) != BLKmode \ - ? (GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) & -UNITS_PER_WORD \ - : (int_size_in_bytes (TYPE) + UNITS_PER_WORD - 1) & -UNITS_PER_WORD)) - -/* When a parameter is passed in a register, stack space is still - allocated for it. */ -#define REG_PARM_STACK_SPACE(DECL) (!TARGET_GHS ? 16 : 0) - -/* Define this if the above stack space is to be considered part of the - space allocated by the caller. */ -#define OUTGOING_REG_PARM_STACK_SPACE - -extern int current_function_anonymous_args; -/* Do any setup necessary for varargs/stdargs functions. */ -#define SETUP_INCOMING_VARARGS(CUM, MODE, TYPE, PAS, SECOND) \ - current_function_anonymous_args = (!TARGET_GHS ? 1 : 0); - -#define FUNCTION_ARG_PASS_BY_REFERENCE(CUM, MODE, TYPE, NAMED) \ - ((TYPE) && int_size_in_bytes (TYPE) > 8) - -#define FUNCTION_ARG_CALLEE_COPIES(CUM, MODE, TYPE, NAMED) \ - ((TYPE) && int_size_in_bytes (TYPE) > 8) - -/* 1 if N is a possible register number for function argument passing. */ - -#define FUNCTION_ARG_REGNO_P(N) (N >= 6 && N <= 9) - -/* 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), 10) - -/* 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, 10) - -/* 1 if N is a possible register number for a function value. */ - -#define FUNCTION_VALUE_REGNO_P(N) ((N) == 10) - -/* Return values > 8 bytes in length in memory. */ -#define DEFAULT_PCC_STRUCT_RETURN 0 -#define RETURN_IN_MEMORY(TYPE) \ - (int_size_in_bytes (TYPE) > 8 || TYPE_MODE (TYPE) == BLKmode) - -/* Register in which address to store a structure value - is passed to a function. On the V850 it's passed as - the first parameter. */ - -#define STRUCT_VALUE 0 - -/* 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 - -/* Output assembler code to FILE to increment profiler label # LABELNO - for profiling a function entry. */ - -#define FUNCTION_PROFILER(FILE, LABELNO) ; - -#define TRAMPOLINE_TEMPLATE(FILE) \ - do { \ - fprintf (FILE, "\tjarl .+4,r12\n"); \ - fprintf (FILE, "\tld.w 12[r12],r5\n"); \ - fprintf (FILE, "\tld.w 16[r12],r12\n"); \ - fprintf (FILE, "\tjmp [r12]\n"); \ - fprintf (FILE, "\tnop\n"); \ - fprintf (FILE, "\t.long 0\n"); \ - fprintf (FILE, "\t.long 0\n"); \ - } while (0) - -/* Length in units of the trampoline for entering a nested function. */ - -#define TRAMPOLINE_SIZE 24 - -/* 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) \ -{ \ - emit_move_insn (gen_rtx (MEM, SImode, plus_constant ((TRAMP), 16)), \ - (CXT)); \ - emit_move_insn (gen_rtx (MEM, SImode, plus_constant ((TRAMP), 20)), \ - (FNADDR)); \ -} - -/* Addressing modes, and classification of registers for them. */ - - -/* 1 if X is an rtx for a constant that is a valid address. */ - -/* ??? This seems too exclusive. May get better code by accepting more - possibilities here, in particular, should accept ZDA_NAME SYMBOL_REFs. */ - -#define CONSTANT_ADDRESS_P(X) \ - (GET_CODE (X) == CONST_INT \ - && CONST_OK_FOR_K (INTVAL (X))) - -/* Maximum number of registers that can appear in a valid memory address. */ - -#define MAX_REGS_PER_ADDRESS 1 - -/* 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. */ - -#ifndef REG_OK_STRICT - -/* 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) 0 -/* 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) 1 -#define REG_OK_FOR_INDEX_P_STRICT(X) 0 -#define REG_OK_FOR_BASE_P_STRICT(X) REGNO_OK_FOR_BASE_P (REGNO (X)) -#define STRICT 0 - -#else - -/* Nonzero if X is a hard reg that can be used as an index. */ -#define REG_OK_FOR_INDEX_P(X) 0 -/* Nonzero if X is a hard reg that can be used as a base reg. */ -#define REG_OK_FOR_BASE_P(X) REGNO_OK_FOR_BASE_P (REGNO (X)) -#define STRICT 1 - -#endif - -/* 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. - Normally this macro will not be defined. If it is required for a - particular 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. - - For example, on the ROMP, load instructions cannot have their - output in r0 if the memory reference contains a symbolic address. - Constraint letter `Q' is defined as representing a memory address - that does *not* contain a symbolic address. An alternative is - specified with a `Q' constraint on the input and `r' on the - output. The next alternative specifies `m' on the input and a - register class that does not include r0 on the output. */ - -/* CYGNUS LOCAL nickc */ -#define EXTRA_CONSTRAINT(OP, C) \ - ((C) == 'Q' ? ep_memory_operand (OP, GET_MODE (OP), FALSE) \ - : (C) == 'R' ? special_symbolref_operand (OP, VOIDmode) \ - : (C) == 'S' ? (GET_CODE (OP) == SYMBOL_REF && ! ZDA_NAME_P (XSTR (OP, 0))) \ - : (C) == 'T' ? ep_memory_operand (OP, GET_MODE (OP), TRUE) \ - : (C) == 'U' ? ((GET_CODE (OP) == SYMBOL_REF && ZDA_NAME_P (XSTR (OP, 0))) \ - || (GET_CODE (OP) == CONST \ - && GET_CODE (XEXP (OP, 0)) == PLUS \ - && GET_CODE (XEXP (XEXP (OP, 0), 0)) == SYMBOL_REF \ - && ZDA_NAME_P (XSTR (XEXP (XEXP (OP, 0), 0), 0)))) \ - : 0) -/* END CYGNUS LOCAL */ - -/* 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. - - The other macros defined here are used only in GO_IF_LEGITIMATE_ADDRESS, - except for CONSTANT_ADDRESS_P which is actually - machine-independent. */ - -/* Accept either REG or SUBREG where a register is valid. */ - -#define RTX_OK_FOR_BASE_P(X) \ - ((REG_P (X) && REG_OK_FOR_BASE_P (X)) \ - || (GET_CODE (X) == SUBREG && REG_P (SUBREG_REG (X)) \ - && REG_OK_FOR_BASE_P (SUBREG_REG (X)))) - -#define GO_IF_LEGITIMATE_ADDRESS(MODE, X, ADDR) \ -do { \ - if (RTX_OK_FOR_BASE_P (X)) goto ADDR; \ - if (CONSTANT_ADDRESS_P (X) \ - && (MODE == QImode || INTVAL (X) % 2 == 0)) \ - goto ADDR; \ - if (GET_CODE (X) == LO_SUM \ - && GET_CODE (XEXP (X, 0)) == REG \ - && REG_OK_FOR_BASE_P (XEXP (X, 0)) \ - && CONSTANT_P (XEXP (X, 1)) \ - && (GET_CODE (XEXP (X, 1)) != CONST_INT \ - || ((MODE == QImode || INTVAL (XEXP (X, 1)) % 2 == 0) \ - && CONST_OK_FOR_K (INTVAL (XEXP (X, 1))))) \ - && GET_MODE_SIZE (MODE) <= GET_MODE_SIZE (word_mode)) \ - goto ADDR; \ - if (special_symbolref_operand (X, MODE) \ - && (GET_MODE_SIZE (MODE) <= GET_MODE_SIZE (word_mode))) \ - goto ADDR; \ - if (GET_CODE (X) == PLUS \ - && CONSTANT_ADDRESS_P (XEXP (X, 1)) \ - && (MODE == QImode || INTVAL (XEXP (X, 1)) % 2 == 0) \ - && RTX_OK_FOR_BASE_P (XEXP (X, 0))) goto ADDR; \ -} while (0) - - -/* 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. */ - -#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) {} - -/* Nonzero if the constant value X is a legitimate general operand. - It is given that X satisfies CONSTANT_P or is a CONST_DOUBLE. */ - -#define LEGITIMATE_CONSTANT_P(X) \ - (GET_CODE (X) == CONST_DOUBLE \ - || !(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 \ - && ! CONST_OK_FOR_K (INTVAL (XEXP (XEXP (X, 0), 1))))) - -/* In rare cases, correct code generation requires extra machine - dependent processing between the second jump optimization pass and - delayed branch scheduling. On those machines, define this macro - as a C statement to act on the code starting at INSN. */ - -#define MACHINE_DEPENDENT_REORG(INSN) v850_reorg (INSN) - - -/* Tell final.c how to eliminate redundant test instructions. */ - -/* Here we define machine-dependent flags and fields in cc_status - (see `conditions.h'). No extra ones are needed for the vax. */ - -/* Store in cc_status the expressions - that the condition codes will describe - after execution of an instruction whose pattern is EXP. - Do not alter them if the instruction would not alter the cc's. */ - -#define CC_OVERFLOW_UNUSABLE 0x200 -#define CC_NO_CARRY CC_NO_OVERFLOW -#define NOTICE_UPDATE_CC(EXP, INSN) notice_update_cc(EXP, INSN) - -/* A part of a C `switch' statement that describes the relative costs - of constant RTL expressions. It must contain `case' labels for - expression codes `const_int', `const', `symbol_ref', `label_ref' - and `const_double'. Each case must ultimately reach a `return' - statement to return the relative cost of the use of that kind of - constant value in an expression. The cost may depend on the - precise value of the constant, which is available for examination - in X, and the rtx code of the expression in which it is contained, - found in OUTER_CODE. - - CODE is the expression code--redundant, since it can be obtained - with `GET_CODE (X)'. */ - -#define CONST_COSTS(RTX,CODE,OUTER_CODE) \ - case CONST_INT: \ - case CONST_DOUBLE: \ - case CONST: \ - case SYMBOL_REF: \ - case LABEL_REF: \ - { \ - int _zxy = const_costs(RTX, CODE); \ - return (_zxy) ? COSTS_N_INSNS (_zxy) : 0; \ - } - -/* A crude cut at RTX_COSTS for the V850. */ - -/* Provide the costs of a rtl expression. This is in the body of a - switch on CODE. - - There aren't DImode MOD, DIV or MULT operations, so call them - very expensive. Everything else is pretty much a constant cost. */ - -#define RTX_COSTS(RTX,CODE,OUTER_CODE) \ - case MOD: \ - case DIV: \ - return 60; \ - case MULT: \ - return 20; - -/* All addressing modes have the same cost on the V850 series. */ -#define ADDRESS_COST(ADDR) 1 - -/* Nonzero if access to memory by bytes or half words is no faster - than accessing full words. */ -#define SLOW_BYTE_ACCESS 1 - -/* Define this if zero-extension is slow (more than one real instruction). */ -#define SLOW_ZERO_EXTEND - -/* According expr.c, a value of around 6 should minimize code size, and - for the V850 series, that's our primary concern. */ -#define MOVE_RATIO 6 - -/* Indirect calls are expensive, never turn a direct call - into an indirect call. */ -#define NO_FUNCTION_CSE - -/* The four different data regions on the v850. */ -typedef enum -{ - DATA_AREA_NORMAL, - DATA_AREA_SDA, - DATA_AREA_TDA, - DATA_AREA_ZDA -} v850_data_area; - -/* 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_tdata, in_sdata, in_zdata, in_const, in_ctors, \ -in_dtors, in_rozdata, in_rosdata, in_sbss, in_zbss, in_zcommon, in_scommon - -/* 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 - -/* This could be done a lot more cleanly using ANSI C ... */ -#define EXTRA_SECTION_FUNCTIONS \ -CONST_SECTION_FUNCTION \ -CTORS_SECTION_FUNCTION \ -DTORS_SECTION_FUNCTION \ - \ -void \ -sdata_section () \ -{ \ - if (in_section != in_sdata) \ - { \ - fprintf (asm_out_file, "%s\n", SDATA_SECTION_ASM_OP); \ - in_section = in_sdata; \ - } \ -} \ - \ -void \ -rosdata_section () \ -{ \ - if (in_section != in_rosdata) \ - { \ - fprintf (asm_out_file, "%s\n", ROSDATA_SECTION_ASM_OP); \ - in_section = in_sdata; \ - } \ -} \ - \ -void \ -sbss_section () \ -{ \ - if (in_section != in_sbss) \ - { \ - fprintf (asm_out_file, "%s\n", SBSS_SECTION_ASM_OP); \ - in_section = in_sbss; \ - } \ -} \ - \ -void \ -tdata_section () \ -{ \ - if (in_section != in_tdata) \ - { \ - fprintf (asm_out_file, "%s\n", TDATA_SECTION_ASM_OP); \ - in_section = in_tdata; \ - } \ -} \ - \ -void \ -zdata_section () \ -{ \ - if (in_section != in_zdata) \ - { \ - fprintf (asm_out_file, "%s\n", ZDATA_SECTION_ASM_OP); \ - in_section = in_zdata; \ - } \ -} \ - \ -void \ -rozdata_section () \ -{ \ - if (in_section != in_rozdata) \ - { \ - fprintf (asm_out_file, "%s\n", ROZDATA_SECTION_ASM_OP); \ - in_section = in_rozdata; \ - } \ -} \ - \ -void \ -zbss_section () \ -{ \ - if (in_section != in_zbss) \ - { \ - fprintf (asm_out_file, "%s\n", ZBSS_SECTION_ASM_OP); \ - in_section = in_zbss; \ - } \ -} - -#define TEXT_SECTION_ASM_OP "\t.section .text" -#define DATA_SECTION_ASM_OP "\t.section .data" -#define BSS_SECTION_ASM_OP "\t.section .bss" -#define SDATA_SECTION_ASM_OP "\t.section .sdata,\"aw\"" -#define SBSS_SECTION_ASM_OP "\t.section .sbss,\"aw\"" -#define ZDATA_SECTION_ASM_OP "\t.section .zdata,\"aw\"" -#define ZBSS_SECTION_ASM_OP "\t.section .zbss,\"aw\"" -#define TDATA_SECTION_ASM_OP "\t.section .tdata,\"aw\"" -#define ROSDATA_SECTION_ASM_OP "\t.section .rosdata,\"a\"" -#define ROZDATA_SECTION_ASM_OP "\t.section .rozdata,\"a\"" - -#define SCOMMON_ASM_OP ".scomm" -#define ZCOMMON_ASM_OP ".zcomm" -#define TCOMMON_ASM_OP ".tcomm" - -/* 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. Select the - section by calling `text_section' or one of the alternatives for - other sections. - - Do not define this macro if you put all read-only variables and - constants in the read-only data section (usually the text section). */ -#undef SELECT_SECTION -#define SELECT_SECTION(EXP, RELOC) \ -do { \ - if (TREE_CODE (EXP) == VAR_DECL) \ - { \ - int is_const; \ - if (!TREE_READONLY (EXP) \ - || TREE_SIDE_EFFECTS (EXP) \ - || !DECL_INITIAL (EXP) \ - || (DECL_INITIAL (EXP) != error_mark_node \ - && !TREE_CONSTANT (DECL_INITIAL (EXP)))) \ - is_const = FALSE; \ - else \ - is_const = TRUE; \ - \ - switch (v850_get_data_area (EXP)) \ - { \ - case DATA_AREA_ZDA: \ - if (is_const) \ - rozdata_section (); \ - else \ - zdata_section (); \ - break; \ - \ - case DATA_AREA_TDA: \ - tdata_section (); \ - break; \ - \ - case DATA_AREA_SDA: \ - if (is_const) \ - rosdata_section (); \ - else \ - sdata_section (); \ - break; \ - \ - default: \ - if (is_const) \ - const_section (); \ - else \ - data_section (); \ - break; \ - } \ - } \ - else if (TREE_CODE (EXP) == STRING_CST) \ - { \ - if (! flag_writable_strings) \ - const_section (); \ - else \ - data_section (); \ - } \ - \ - else \ - const_section (); \ - \ -} while (0) - -/* 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. */ -/* #define SELECT_RTX_SECTION(MODE, RTX) */ - -/* Output at beginning/end of assembler file. */ -#undef ASM_FILE_START -#define ASM_FILE_START(FILE) asm_file_start(FILE) - -#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 "#APP\n" - -/* Output to assembler file text saying following lines - no longer contain unusual constructs. */ - -#define ASM_APP_OFF "#NO_APP\n" - -/* This is how to output an assembler line defining a `double' constant. - It is .double or .float, depending. */ - -#define ASM_OUTPUT_DOUBLE(FILE, VALUE) \ -do { char dstr[30]; \ - REAL_VALUE_TO_DECIMAL ((VALUE), "%.20e", dstr); \ - fprintf (FILE, "\t.double %s\n", dstr); \ - } while (0) - - -/* This is how to output an assembler line defining a `float' constant. */ -#define ASM_OUTPUT_FLOAT(FILE, VALUE) \ -do { char dstr[30]; \ - REAL_VALUE_TO_DECIMAL ((VALUE), "%.20e", dstr); \ - fprintf (FILE, "\t.float %s\n", dstr); \ - } while (0) - -/* This is how to output an assembler line defining an `int' constant. */ - -#define ASM_OUTPUT_INT(FILE, VALUE) \ -( fprintf (FILE, "\t.long "), \ - output_addr_const (FILE, (VALUE)), \ - fprintf (FILE, "\n")) - -/* Likewise for `char' and `short' constants. */ - -#define ASM_OUTPUT_SHORT(FILE, VALUE) \ -( fprintf (FILE, "\t.hword "), \ - output_addr_const (FILE, (VALUE)), \ - fprintf (FILE, "\n")) - -#define ASM_OUTPUT_CHAR(FILE, VALUE) \ -( fprintf (FILE, "\t.byte "), \ - output_addr_const (FILE, (VALUE)), \ - fprintf (FILE, "\n")) - -/* This is how to output an assembler line for a numeric constant byte. */ -#define ASM_OUTPUT_BYTE(FILE, VALUE) \ - fprintf (FILE, "\t.byte 0x%x\n", (VALUE)) - -/* Define the parentheses used to group arithmetic operations - in assembler code. */ - -#define ASM_OPEN_PAREN "(" -#define ASM_CLOSE_PAREN ")" - -/* This says how to output the assembler to define a global - uninitialized but not common symbol. */ - -#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ - asm_output_aligned_bss ((FILE), (DECL), (NAME), (SIZE), (ALIGN)) - -#undef ASM_OUTPUT_ALIGNED_BSS -#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ - v850_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN) - -/* This says how to output the assembler to define a global - uninitialized, common symbol. */ -#undef ASM_OUTPUT_ALIGNED_COMMON -#undef ASM_OUTPUT_COMMON -#define ASM_OUTPUT_ALIGNED_DECL_COMMON(FILE, DECL, NAME, SIZE, ALIGN) \ - v850_output_common (FILE, DECL, NAME, SIZE, ALIGN) - -/* This says how to output the assembler to define a local - uninitialized symbol. */ -#undef ASM_OUTPUT_ALIGNED_LOCAL -#undef ASM_OUTPUT_LOCAL -#define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \ - v850_output_local (FILE, DECL, NAME, SIZE, ALIGN) - -/* 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. */ - -#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 ", 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)); \ - fprintf (FILE, "_%s", real_name); \ - } 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) \ -( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 10), \ - sprintf ((OUTPUT), "%s___%d", (NAME), (LABELNO))) - -/* This is how we tell the assembler that two symbols have the same value. */ - -#define ASM_OUTPUT_DEF(FILE,NAME1,NAME2) \ - do { assemble_name(FILE, NAME1); \ - fputs(" = ", FILE); \ - assemble_name(FILE, NAME2); \ - fputc('\n', FILE); } while (0) - - -/* How to refer to registers in assembler output. - This sequence is indexed by compiler's hard-register-number (see above). */ - -#define REGISTER_NAMES \ -{ "r0", "r1", "r2", "sp", "gp", "r5", "r6" , "r7", \ - "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \ - "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", \ - "r24", "r25", "r26", "r27", "r28", "r29", "ep", "r31", \ - ".fp", ".ap"} - -#define ADDITIONAL_REGISTER_NAMES \ -{ { "zero", 0 }, \ - { "hp", 2 }, \ - { "r3", 3 }, \ - { "r4", 4 }, \ - { "tp", 5 }, \ - { "fp", 29 }, \ - { "r30", 30 }, \ - { "lp", 31} } - -/* Print an instruction operand X on file FILE. - look in v850.c for details */ - -#define PRINT_OPERAND(FILE, X, CODE) print_operand (FILE, X, CODE) - -#define PRINT_OPERAND_PUNCT_VALID_P(CODE) \ - ((CODE) == '.') - -/* Print a memory operand whose address is X, on file FILE. - This uses a function in output-vax.c. */ - -#define PRINT_OPERAND_ADDRESS(FILE, ADDR) print_operand_address (FILE, ADDR) - -#define ASM_OUTPUT_REG_PUSH(FILE,REGNO) -#define ASM_OUTPUT_REG_POP(FILE,REGNO) - -/* This is how to output an element of a case-vector that is absolute. */ - -#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \ - asm_fprintf (FILE, "\t%s .L%d\n", \ - (TARGET_BIG_SWITCH ? ".long" : ".short"), VALUE) - -/* This is how to output an element of a case-vector that is relative. */ - -#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \ - fprintf (FILE, "\t%s .L%d-.L%d\n", \ - (TARGET_BIG_SWITCH ? ".long" : ".short"), \ - VALUE, REL) - -/* CYGNUS LOCAL v850e */ -#undef ASM_OUTPUT_ADDR_DIFF_ELT -#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \ - fprintf (FILE, "\t%s %s.L%d-.L%d%s\n", \ - (TARGET_BIG_SWITCH ? ".long" : ".short"), \ - (! TARGET_BIG_SWITCH && TARGET_V850E ? "(" : ""), \ - VALUE, REL, \ - (! TARGET_BIG_SWITCH && TARGET_V850E ? ")>>1" : "")) -/* END CYGNUS LOCAL */ - -#define ASM_OUTPUT_ALIGN(FILE,LOG) \ - if ((LOG) != 0) \ - fprintf (FILE, "\t.align %d\n", (LOG)) - -/* We don't have to worry about dbx compatibility for the v850. */ -#define DEFAULT_GDB_EXTENSIONS 1 - -/* Use stabs debugging info by default. */ -#undef PREFERRED_DEBUGGING_TYPE -#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG - -#define DBX_REGISTER_NUMBER(REGNO) REGNO - -/* Define to use software floating point emulator for REAL_ARITHMETIC and - decimal <-> binary conversion. */ -#define REAL_ARITHMETIC - -/* Specify the machine mode that this machine uses - for the index in the tablejump instruction. */ -#define CASE_VECTOR_MODE (TARGET_BIG_SWITCH ? SImode : HImode) - -/* Define this if the case instruction drops through after the table - when the index is out of range. Don't define it if the case insn - jumps to the default label instead. */ -/* #define CASE_DROPS_THROUGH */ - -/* 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. */ -#define CASE_VECTOR_PC_RELATIVE 1 - -/* The switch instruction requires that the jump table immediately follow - it. */ -#define JUMP_TABLES_IN_TEXT_SECTION 1 - -/* svr4.h defines this assuming that 4 byte alignment is required. */ -#undef ASM_OUTPUT_BEFORE_CASE_LABEL -#define ASM_OUTPUT_BEFORE_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \ - ASM_OUTPUT_ALIGN ((FILE), (TARGET_BIG_SWITCH ? 2 : 1)); - -#define WORD_REGISTER_OPERATIONS - -/* Byte and short loads sign extend the value to a word. */ -#define LOAD_EXTEND_OP(MODE) SIGN_EXTEND - -/* Specify the tree operation to be used to convert reals to integers. */ -#define IMPLICIT_FIX_EXPR FIX_ROUND_EXPR - -/* This flag, if defined, says the same insns that convert to a signed fixnum - also convert validly to an unsigned one. */ -#define FIXUNS_TRUNC_LIKE_FIX_TRUNC - -/* 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 if shifts truncate the shift count - which implies one can omit a sign-extension or zero-extension - of a shift count. */ -#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 - -#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. */ -#define Pmode SImode - -/* A function address in a call instruction - is a byte address (for indexing purposes) - so give the MEM rtx a byte's mode. */ -#define FUNCTION_MODE QImode - -/* 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 DECL. */ -#define VALID_MACHINE_DECL_ATTRIBUTE(DECL, ATTRIBUTES, IDENTIFIER, ARGS) \ - v850_valid_machine_decl_attribute (DECL, IDENTIFIER, ARGS) - -/* A C statement that assigns default attributes to a newly created DECL. */ -#define SET_DEFAULT_DECL_ATTRIBUTES(decl, attr) \ - v850_set_default_decl_attr (decl) - -/* Tell compiler we want to support GHS pragmas */ -#define HANDLE_PRAGMA(get, unget, name) v850_handle_pragma (get, unget, name) - -enum v850_pragma_state -{ - V850_PS_START, - V850_PS_SHOULD_BE_DONE, - V850_PS_BAD, - V850_PS_MAYBE_SECTION_NAME, - V850_PS_EXPECTING_EQUALS, - V850_PS_EXPECTING_SECTION_ALIAS, - V850_PS_MAYBE_COMMA -}; - -enum v850_pragma_type -{ - V850_PT_UNKNOWN, - V850_PT_INTERRUPT, - V850_PT_SECTION, - V850_PT_START_SECTION, - V850_PT_END_SECTION -}; - -/* enum GHS_SECTION_KIND is an enumeration of the kinds of sections that - can appear in the "ghs section" pragma. These names are used to index - into the GHS_default_section_names[] and GHS_current_section_names[] - that are defined in v850.c, and so the ordering of each must remain - consistant. - - These arrays give the default and current names for each kind of - section defined by the GHS pragmas. The current names can be changed - by the "ghs section" pragma. If the current names are null, use - the default names. Note that the two arrays have different types. - - For the *normal* section kinds (like .data, .text, etc.) we do not - want to explicitly force the name of these sections, but would rather - let the linker (or at least the back end) choose the name of the - section, UNLESS the user has force a specific name for these section - kinds. To accomplish this set the name in ghs_default_section_names - to null. */ - -enum GHS_section_kind -{ - GHS_SECTION_KIND_DEFAULT, - - GHS_SECTION_KIND_TEXT, - GHS_SECTION_KIND_DATA, - GHS_SECTION_KIND_RODATA, - GHS_SECTION_KIND_BSS, - GHS_SECTION_KIND_SDATA, - GHS_SECTION_KIND_ROSDATA, - GHS_SECTION_KIND_TDATA, - GHS_SECTION_KIND_ZDATA, - GHS_SECTION_KIND_ROZDATA, - - COUNT_OF_GHS_SECTION_KINDS /* must be last */ -}; - -/* The assembler op to start the file. */ - -#define FILE_ASM_OP "\t.file\n" - -/* Enable the register move pass to improve code. */ -#define ENABLE_REGMOVE_PASS - - -/* Implement ZDA, TDA, and SDA */ - -#define EP_REGNUM 30 /* ep register number */ - -#define ENCODE_SECTION_INFO(DECL) \ -do { \ - if ((TREE_STATIC (DECL) || DECL_EXTERNAL (DECL)) \ - && TREE_CODE (DECL) == VAR_DECL) \ - v850_encode_data_area (DECL); \ -} while (0) - -#define ZDA_NAME_FLAG_CHAR '@' -#define TDA_NAME_FLAG_CHAR '%' -#define SDA_NAME_FLAG_CHAR '&' - -#define ZDA_NAME_P(NAME) (*(NAME) == ZDA_NAME_FLAG_CHAR) -#define TDA_NAME_P(NAME) (*(NAME) == TDA_NAME_FLAG_CHAR) -#define SDA_NAME_P(NAME) (*(NAME) == SDA_NAME_FLAG_CHAR) - -#define ENCODED_NAME_P(SYMBOL_NAME) \ - (ZDA_NAME_P (SYMBOL_NAME) \ - || TDA_NAME_P (SYMBOL_NAME) \ - || SDA_NAME_P (SYMBOL_NAME)) - -#define STRIP_NAME_ENCODING(VAR,SYMBOL_NAME) \ - (VAR) = (SYMBOL_NAME) + (ENCODED_NAME_P (SYMBOL_NAME) || *(SYMBOL_NAME) == '*') - -/* 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 \ -{ "ep_memory_operand", { MEM }}, \ -{ "reg_or_0_operand", { REG, SUBREG, CONST_INT, CONST_DOUBLE }}, \ -{ "reg_or_int5_operand", { REG, SUBREG, CONST_INT }}, \ -{ "call_address_operand", { REG, SYMBOL_REF }}, \ -{ "movsi_source_operand", { LABEL_REF, SYMBOL_REF, CONST_INT, \ - CONST_DOUBLE, CONST, HIGH, MEM, \ - REG, SUBREG }}, \ -{ "special_symbolref_operand", { SYMBOL_REF }}, \ -{ "power_of_two_operand", { CONST_INT }}, \ -{ "pattern_is_ok_for_prologue", { PARALLEL }}, \ -{ "pattern_is_ok_for_epilogue", { PARALLEL }}, \ -{ "register_is_ok_for_epilogue",{ REG }}, \ -/* CYGNUS LOCAL v850e */ \ -{ "pattern_is_ok_for_dispose", { PARALLEL }}, \ -{ "pattern_is_ok_for_prepare", { PARALLEL }}, \ -{ "register_is_ok_for_dispose", { REG }}, \ -/* END CYGNUS LOCAL */ \ -{ "not_power_of_two_operand", { CONST_INT }}, - - /* Note, due to dependency and search path conflicts, prototypes - involving the FILE, rtx or tree types cannot be included here. - They are included at the start of v850.c */ - -extern void asm_file_start (); -extern void print_operand (); -extern void print_operand_address (); -extern int function_arg_partial_nregs (); -extern int const_costs (); -extern char * output_move_double (); -extern char * output_move_single (); -extern int ep_memory_operand (); -extern int reg_or_0_operand (); -extern int reg_or_int5_operand (); -extern int call_address_operand (); -extern int movsi_source_operand (); -extern int power_of_two_operand (); -extern int not_power_of_two_operand (); -extern int special_symbolref_operand (); -extern void v850_reorg (); -extern void notice_update_cc (); -extern int v850_valid_machine_decl_attribute (); -extern int v850_interrupt_function_p (); -extern int pattern_is_ok_for_prologue (); -extern int pattern_is_ok_for_epilogue (); -extern int register_is_ok_for_epilogue (); -extern char * construct_save_jarl (); -extern char * construct_restore_jr (); - -extern void override_options PROTO ((void)); -extern int compute_register_save_size PROTO ((long *)); -extern int compute_frame_size PROTO ((int, long *)); -extern void expand_prologue PROTO ((void)); -extern void expand_epilogue PROTO ((void)); - -extern void v850_output_aligned_bss (); -extern void v850_output_common (); -extern void v850_output_local (); -extern void sdata_section PROTO ((void)); -extern void rosdata_section PROTO ((void)); -extern void sbss_section PROTO ((void)); -extern void tdata_section PROTO ((void)); -extern void zdata_section PROTO ((void)); -extern void rozdata_section PROTO ((void)); -extern void zbss_section PROTO ((void)); -extern int v850_handle_pragma PROTO ((int (*)(void), void (*)(int), char *)); -extern void v850_encode_data_area (); -extern void v850_set_default_decl_attr (); -extern v850_data_area v850_get_data_area (); -/* CYGNUS LOCAL v850e */ -extern int pattern_is_ok_for_prepare (); -extern int pattern_is_ok_for_dispose (); -extern char * construct_dispose_instruction (); -extern char * construct_prepare_instruction (); -/* END CYGNUS LOCAL */ |