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comparison gcc/config/i386/i386.h @ 63:b7f97abdc517 gcc-4.6-20100522

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update gcc from gcc-4.5.0 to gcc-4.6
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Mon, 24 May 2010 12:47:05 +0900
parents 77e2b8dfacca
children f6334be47118
comparison
equal deleted inserted replaced
56:3c8a44c06a95 63:b7f97abdc517
1 /* Definitions of target machine for GCC for IA-32. 1 /* Definitions of target machine for GCC for IA-32.
2 Copyright (C) 1988, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2 Copyright (C) 1988, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
3 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 3 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
4 Free Software Foundation, Inc. 4 Free Software Foundation, Inc.
5 5
6 This file is part of GCC. 6 This file is part of GCC.
7 7
8 GCC is free software; you can redistribute it and/or modify 8 GCC is free software; you can redistribute it and/or modify
238 #define TARGET_CORE2 (ix86_tune == PROCESSOR_CORE2) 238 #define TARGET_CORE2 (ix86_tune == PROCESSOR_CORE2)
239 #define TARGET_GENERIC32 (ix86_tune == PROCESSOR_GENERIC32) 239 #define TARGET_GENERIC32 (ix86_tune == PROCESSOR_GENERIC32)
240 #define TARGET_GENERIC64 (ix86_tune == PROCESSOR_GENERIC64) 240 #define TARGET_GENERIC64 (ix86_tune == PROCESSOR_GENERIC64)
241 #define TARGET_GENERIC (TARGET_GENERIC32 || TARGET_GENERIC64) 241 #define TARGET_GENERIC (TARGET_GENERIC32 || TARGET_GENERIC64)
242 #define TARGET_AMDFAM10 (ix86_tune == PROCESSOR_AMDFAM10) 242 #define TARGET_AMDFAM10 (ix86_tune == PROCESSOR_AMDFAM10)
243 #define TARGET_BDVER1 (ix86_tune == PROCESSOR_BDVER1)
243 #define TARGET_ATOM (ix86_tune == PROCESSOR_ATOM) 244 #define TARGET_ATOM (ix86_tune == PROCESSOR_ATOM)
244 245
245 /* Feature tests against the various tunings. */ 246 /* Feature tests against the various tunings. */
246 enum ix86_tune_indices { 247 enum ix86_tune_indices {
247 X86_TUNE_USE_LEAVE, 248 X86_TUNE_USE_LEAVE,
275 X86_TUNE_SUB_ESP_4, 276 X86_TUNE_SUB_ESP_4,
276 X86_TUNE_SUB_ESP_8, 277 X86_TUNE_SUB_ESP_8,
277 X86_TUNE_INTEGER_DFMODE_MOVES, 278 X86_TUNE_INTEGER_DFMODE_MOVES,
278 X86_TUNE_PARTIAL_REG_DEPENDENCY, 279 X86_TUNE_PARTIAL_REG_DEPENDENCY,
279 X86_TUNE_SSE_PARTIAL_REG_DEPENDENCY, 280 X86_TUNE_SSE_PARTIAL_REG_DEPENDENCY,
280 X86_TUNE_SSE_UNALIGNED_MOVE_OPTIMAL, 281 X86_TUNE_SSE_UNALIGNED_LOAD_OPTIMAL,
282 X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL,
283 X86_TUNE_SSE_PACKED_SINGLE_INSN_OPTIMAL,
281 X86_TUNE_SSE_SPLIT_REGS, 284 X86_TUNE_SSE_SPLIT_REGS,
282 X86_TUNE_SSE_TYPELESS_STORES, 285 X86_TUNE_SSE_TYPELESS_STORES,
283 X86_TUNE_SSE_LOAD0_BY_PXOR, 286 X86_TUNE_SSE_LOAD0_BY_PXOR,
284 X86_TUNE_MEMORY_MISMATCH_STALL, 287 X86_TUNE_MEMORY_MISMATCH_STALL,
285 X86_TUNE_PROLOGUE_USING_MOVE, 288 X86_TUNE_PROLOGUE_USING_MOVE,
350 ix86_tune_features[X86_TUNE_INTEGER_DFMODE_MOVES] 353 ix86_tune_features[X86_TUNE_INTEGER_DFMODE_MOVES]
351 #define TARGET_PARTIAL_REG_DEPENDENCY \ 354 #define TARGET_PARTIAL_REG_DEPENDENCY \
352 ix86_tune_features[X86_TUNE_PARTIAL_REG_DEPENDENCY] 355 ix86_tune_features[X86_TUNE_PARTIAL_REG_DEPENDENCY]
353 #define TARGET_SSE_PARTIAL_REG_DEPENDENCY \ 356 #define TARGET_SSE_PARTIAL_REG_DEPENDENCY \
354 ix86_tune_features[X86_TUNE_SSE_PARTIAL_REG_DEPENDENCY] 357 ix86_tune_features[X86_TUNE_SSE_PARTIAL_REG_DEPENDENCY]
355 #define TARGET_SSE_UNALIGNED_MOVE_OPTIMAL \ 358 #define TARGET_SSE_UNALIGNED_LOAD_OPTIMAL \
356 ix86_tune_features[X86_TUNE_SSE_UNALIGNED_MOVE_OPTIMAL] 359 ix86_tune_features[X86_TUNE_SSE_UNALIGNED_LOAD_OPTIMAL]
360 #define TARGET_SSE_UNALIGNED_STORE_OPTIMAL \
361 ix86_tune_features[X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL]
362 #define TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL \
363 ix86_tune_features[X86_TUNE_SSE_PACKED_SINGLE_INSN_OPTIMAL]
357 #define TARGET_SSE_SPLIT_REGS ix86_tune_features[X86_TUNE_SSE_SPLIT_REGS] 364 #define TARGET_SSE_SPLIT_REGS ix86_tune_features[X86_TUNE_SSE_SPLIT_REGS]
358 #define TARGET_SSE_TYPELESS_STORES \ 365 #define TARGET_SSE_TYPELESS_STORES \
359 ix86_tune_features[X86_TUNE_SSE_TYPELESS_STORES] 366 ix86_tune_features[X86_TUNE_SSE_TYPELESS_STORES]
360 #define TARGET_SSE_LOAD0_BY_PXOR ix86_tune_features[X86_TUNE_SSE_LOAD0_BY_PXOR] 367 #define TARGET_SSE_LOAD0_BY_PXOR ix86_tune_features[X86_TUNE_SSE_LOAD0_BY_PXOR]
361 #define TARGET_MEMORY_MISMATCH_STALL \ 368 #define TARGET_MEMORY_MISMATCH_STALL \
427 ((ix86_fpmath & (FPMATH_SSE | FPMATH_387)) == (FPMATH_SSE | FPMATH_387)) 434 ((ix86_fpmath & (FPMATH_SSE | FPMATH_387)) == (FPMATH_SSE | FPMATH_387))
428 435
429 #define TARGET_GNU_TLS (ix86_tls_dialect == TLS_DIALECT_GNU) 436 #define TARGET_GNU_TLS (ix86_tls_dialect == TLS_DIALECT_GNU)
430 #define TARGET_GNU2_TLS (ix86_tls_dialect == TLS_DIALECT_GNU2) 437 #define TARGET_GNU2_TLS (ix86_tls_dialect == TLS_DIALECT_GNU2)
431 #define TARGET_ANY_GNU_TLS (TARGET_GNU_TLS || TARGET_GNU2_TLS) 438 #define TARGET_ANY_GNU_TLS (TARGET_GNU_TLS || TARGET_GNU2_TLS)
432 #define TARGET_SUN_TLS (ix86_tls_dialect == TLS_DIALECT_SUN) 439 #define TARGET_SUN_TLS 0
433 440
434 extern int ix86_isa_flags; 441 extern int ix86_isa_flags;
435 442
436 #ifndef TARGET_64BIT_DEFAULT 443 #ifndef TARGET_64BIT_DEFAULT
437 #define TARGET_64BIT_DEFAULT 0 444 #define TARGET_64BIT_DEFAULT 0
589 TARGET_CPU_DEFAULT_k6_3, 596 TARGET_CPU_DEFAULT_k6_3,
590 TARGET_CPU_DEFAULT_athlon, 597 TARGET_CPU_DEFAULT_athlon,
591 TARGET_CPU_DEFAULT_athlon_sse, 598 TARGET_CPU_DEFAULT_athlon_sse,
592 TARGET_CPU_DEFAULT_k8, 599 TARGET_CPU_DEFAULT_k8,
593 TARGET_CPU_DEFAULT_amdfam10, 600 TARGET_CPU_DEFAULT_amdfam10,
601 TARGET_CPU_DEFAULT_bdver1,
594 602
595 TARGET_CPU_DEFAULT_max 603 TARGET_CPU_DEFAULT_max
596 }; 604 };
597 605
598 #ifndef CC1_SPEC 606 #ifndef CC1_SPEC
953 listed once, even those in FIXED_REGISTERS. List frame pointer 961 listed once, even those in FIXED_REGISTERS. List frame pointer
954 late and fixed registers last. Note that, in general, we prefer 962 late and fixed registers last. Note that, in general, we prefer
955 registers listed in CALL_USED_REGISTERS, keeping the others 963 registers listed in CALL_USED_REGISTERS, keeping the others
956 available for storage of persistent values. 964 available for storage of persistent values.
957 965
958 The ORDER_REGS_FOR_LOCAL_ALLOC actually overwrite the order, 966 The ADJUST_REG_ALLOC_ORDER actually overwrite the order,
959 so this is just empty initializer for array. */ 967 so this is just empty initializer for array. */
960 968
961 #define REG_ALLOC_ORDER \ 969 #define REG_ALLOC_ORDER \
962 { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,\ 970 { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,\
963 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, \ 971 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, \
964 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, \ 972 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, \
965 48, 49, 50, 51, 52 } 973 48, 49, 50, 51, 52 }
966 974
967 /* ORDER_REGS_FOR_LOCAL_ALLOC is a macro which permits reg_alloc_order 975 /* ADJUST_REG_ALLOC_ORDER is a macro which permits reg_alloc_order
968 to be rearranged based on a particular function. When using sse math, 976 to be rearranged based on a particular function. When using sse math,
969 we want to allocate SSE before x87 registers and vice versa. */ 977 we want to allocate SSE before x87 registers and vice versa. */
970 978
971 #define ORDER_REGS_FOR_LOCAL_ALLOC x86_order_regs_for_local_alloc () 979 #define ADJUST_REG_ALLOC_ORDER x86_order_regs_for_local_alloc ()
972 980
973 981
974 #define OVERRIDE_ABI_FORMAT(FNDECL) ix86_call_abi_override (FNDECL) 982 #define OVERRIDE_ABI_FORMAT(FNDECL) ix86_call_abi_override (FNDECL)
975 983
976 /* Macro to conditionally modify fixed_regs/call_used_regs. */ 984 /* Macro to conditionally modify fixed_regs/call_used_regs. */
1294 reg number REGNO. This could be a conditional expression 1302 reg number REGNO. This could be a conditional expression
1295 or could index an array. */ 1303 or could index an array. */
1296 1304
1297 #define REGNO_REG_CLASS(REGNO) (regclass_map[REGNO]) 1305 #define REGNO_REG_CLASS(REGNO) (regclass_map[REGNO])
1298 1306
1299 /* When defined, the compiler allows registers explicitly used in the 1307 /* When this hook returns true for MODE, the compiler allows
1300 rtl to be used as spill registers but prevents the compiler from 1308 registers explicitly used in the rtl to be used as spill registers
1301 extending the lifetime of these registers. */ 1309 but prevents the compiler from extending the lifetime of these
1302 1310 registers. */
1303 #define SMALL_REGISTER_CLASSES 1 1311 #define TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P hook_bool_mode_true
1304 1312
1305 #define QI_REG_P(X) (REG_P (X) && REGNO (X) <= BX_REG) 1313 #define QI_REG_P(X) (REG_P (X) && REGNO (X) <= BX_REG)
1306 1314
1307 #define GENERAL_REGNO_P(N) \ 1315 #define GENERAL_REGNO_P(N) \
1308 ((N) <= STACK_POINTER_REGNUM || REX_INT_REGNO_P (N)) 1316 ((N) <= STACK_POINTER_REGNUM || REX_INT_REGNO_P (N))
1552 The attribute stdcall is equivalent to RTD on a per module basis. */ 1560 The attribute stdcall is equivalent to RTD on a per module basis. */
1553 1561
1554 #define RETURN_POPS_ARGS(FUNDECL, FUNTYPE, SIZE) \ 1562 #define RETURN_POPS_ARGS(FUNDECL, FUNTYPE, SIZE) \
1555 ix86_return_pops_args ((FUNDECL), (FUNTYPE), (SIZE)) 1563 ix86_return_pops_args ((FUNDECL), (FUNTYPE), (SIZE))
1556 1564
1557 #define FUNCTION_VALUE_REGNO_P(N) ix86_function_value_regno_p (N)
1558
1559 /* Define how to find the value returned by a library function 1565 /* Define how to find the value returned by a library function
1560 assuming the value has mode MODE. */ 1566 assuming the value has mode MODE. */
1561 1567
1562 #define LIBCALL_VALUE(MODE) ix86_libcall_value (MODE) 1568 #define LIBCALL_VALUE(MODE) ix86_libcall_value (MODE)
1563 1569
1578 1584
1579 typedef struct ix86_args { 1585 typedef struct ix86_args {
1580 int words; /* # words passed so far */ 1586 int words; /* # words passed so far */
1581 int nregs; /* # registers available for passing */ 1587 int nregs; /* # registers available for passing */
1582 int regno; /* next available register number */ 1588 int regno; /* next available register number */
1583 int fastcall; /* fastcall calling convention is used */ 1589 int fastcall; /* fastcall or thiscall calling convention
1590 is used */
1584 int sse_words; /* # sse words passed so far */ 1591 int sse_words; /* # sse words passed so far */
1585 int sse_nregs; /* # sse registers available for passing */ 1592 int sse_nregs; /* # sse registers available for passing */
1586 int warn_avx; /* True when we want to warn about AVX ABI. */ 1593 int warn_avx; /* True when we want to warn about AVX ABI. */
1587 int warn_sse; /* True when we want to warn about SSE ABI. */ 1594 int warn_sse; /* True when we want to warn about SSE ABI. */
1588 int warn_mmx; /* True when we want to warn about MMX ABI. */ 1595 int warn_mmx; /* True when we want to warn about MMX ABI. */
1625 (otherwise it is an extra parameter matching an ellipsis). */ 1632 (otherwise it is an extra parameter matching an ellipsis). */
1626 1633
1627 #define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \ 1634 #define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \
1628 function_arg (&(CUM), (MODE), (TYPE), (NAMED)) 1635 function_arg (&(CUM), (MODE), (TYPE), (NAMED))
1629 1636
1630 #define TARGET_ASM_FILE_END ix86_file_end
1631 #define NEED_INDICATE_EXEC_STACK 0
1632
1633 /* Output assembler code to FILE to increment profiler label # LABELNO 1637 /* Output assembler code to FILE to increment profiler label # LABELNO
1634 for profiling a function entry. */ 1638 for profiling a function entry. */
1635 1639
1636 #define FUNCTION_PROFILER(FILE, LABELNO) x86_function_profiler (FILE, LABELNO) 1640 #define FUNCTION_PROFILER(FILE, LABELNO) x86_function_profiler (FILE, LABELNO)
1637 1641
1808 : X86_32_REGPARM_MAX) 1812 : X86_32_REGPARM_MAX)
1809 1813
1810 #define X86_64_SSE_REGPARM_MAX 8 1814 #define X86_64_SSE_REGPARM_MAX 8
1811 #define X86_64_MS_SSE_REGPARM_MAX 4 1815 #define X86_64_MS_SSE_REGPARM_MAX 4
1812 1816
1813 #define X86_32_SSE_REGPARM_MAX (TARGET_SSE ? 3 : 0) 1817 #define X86_32_SSE_REGPARM_MAX (TARGET_SSE ? (TARGET_MACHO ? 4 : 3) : 0)
1814 1818
1815 #define SSE_REGPARM_MAX \ 1819 #define SSE_REGPARM_MAX \
1816 (TARGET_64BIT ? (TARGET_64BIT_MS_ABI ? X86_64_MS_SSE_REGPARM_MAX \ 1820 (TARGET_64BIT ? (TARGET_64BIT_MS_ABI ? X86_64_MS_SSE_REGPARM_MAX \
1817 : X86_64_SSE_REGPARM_MAX) \ 1821 : X86_64_SSE_REGPARM_MAX) \
1818 : X86_32_SSE_REGPARM_MAX) 1822 : X86_32_SSE_REGPARM_MAX)
2148 || (!TARGET_64BIT && !HAVE_AS_GOTOFF_IN_DATA))) 2152 || (!TARGET_64BIT && !HAVE_AS_GOTOFF_IN_DATA)))
2149 2153
2150 /* Switch to init or fini section via SECTION_OP, emit a call to FUNC, 2154 /* Switch to init or fini section via SECTION_OP, emit a call to FUNC,
2151 and switch back. For x86 we do this only to save a few bytes that 2155 and switch back. For x86 we do this only to save a few bytes that
2152 would otherwise be unused in the text section. */ 2156 would otherwise be unused in the text section. */
2153 #define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC) \ 2157 #define CRT_MKSTR2(VAL) #VAL
2154 asm (SECTION_OP "\n\t" \ 2158 #define CRT_MKSTR(x) CRT_MKSTR2(x)
2155 "call " USER_LABEL_PREFIX #FUNC "\n" \ 2159
2160 #define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC) \
2161 asm (SECTION_OP "\n\t" \
2162 "call " CRT_MKSTR(__USER_LABEL_PREFIX__) #FUNC "\n" \
2156 TEXT_SECTION_ASM_OP); 2163 TEXT_SECTION_ASM_OP);
2157 2164
2158 /* Print operand X (an rtx) in assembler syntax to file FILE. 2165 /* Print operand X (an rtx) in assembler syntax to file FILE.
2159 CODE is a letter or dot (`z' in `%z0') or 0 if no letter was specified. 2166 CODE is a letter or dot (`z' in `%z0') or 0 if no letter was specified.
2160 Effect of various CODE letters is described in i386.c near 2167 Effect of various CODE letters is described in i386.c near
2192 PROCESSOR_NOCONA, 2199 PROCESSOR_NOCONA,
2193 PROCESSOR_CORE2, 2200 PROCESSOR_CORE2,
2194 PROCESSOR_GENERIC32, 2201 PROCESSOR_GENERIC32,
2195 PROCESSOR_GENERIC64, 2202 PROCESSOR_GENERIC64,
2196 PROCESSOR_AMDFAM10, 2203 PROCESSOR_AMDFAM10,
2204 PROCESSOR_BDVER1,
2197 PROCESSOR_ATOM, 2205 PROCESSOR_ATOM,
2198 PROCESSOR_max 2206 PROCESSOR_max
2199 }; 2207 };
2200 2208
2201 extern enum processor_type ix86_tune; 2209 extern enum processor_type ix86_tune;