the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
+/* The purpose of this file is to define the characteristics of the i386,
+ independent of assembler syntax or operating system.
+
+ Three other files build on this one to describe a specific assembler syntax:
+ bsd386.h, att386.h, and sun386.h.
+
+ The actual tm.h file for a particular system should include
+ this file, and then the file for the appropriate assembler syntax.
+
+ Many macros that specify assembler syntax are omitted entirely from
+ this file because they really belong in the files for particular
+ assemblers. These include RP, IP, LPREFIX, PUT_OP_SIZE, USE_STAR,
+ ADDR_BEG, ADDR_END, PRINT_IREG, PRINT_SCALE, PRINT_B_I_S, and many
+ that start with ASM_ or end in ASM_OP. */
+
+/* Redefines for option macros. */
+
+#define TARGET_64BIT OPTION_ISA_64BIT
+#define TARGET_MMX OPTION_ISA_MMX
+#define TARGET_3DNOW OPTION_ISA_3DNOW
+#define TARGET_3DNOW_A OPTION_ISA_3DNOW_A
+#define TARGET_SSE OPTION_ISA_SSE
+#define TARGET_SSE2 OPTION_ISA_SSE2
+#define TARGET_SSE3 OPTION_ISA_SSE3
+#define TARGET_SSSE3 OPTION_ISA_SSSE3
+#define TARGET_SSE4_1 OPTION_ISA_SSE4_1
+#define TARGET_SSE4_2 OPTION_ISA_SSE4_2
+#define TARGET_SSE4A OPTION_ISA_SSE4A
+
+#include "config/vxworks-dummy.h"
+
/* Algorithm to expand string function with. */
enum stringop_alg
{
loop,
unrolled_loop
};
+
#define NAX_STRINGOP_ALGS 4
+
/* Specify what algorithm to use for stringops on known size.
When size is unknown, the UNKNOWN_SIZE alg is used. When size is
known at compile time or estimated via feedback, the SIZE array
For example initializer:
{{256, loop}, {-1, rep_prefix_4_byte}}
will use loop for blocks smaller or equal to 256 bytes, rep prefix will
- be used otherwise.
-*/
+ be used otherwise. */
struct stringop_algs
{
const enum stringop_alg unknown_size;
} size [NAX_STRINGOP_ALGS];
};
-/* The purpose of this file is to define the characteristics of the i386,
- independent of assembler syntax or operating system.
-
- Three other files build on this one to describe a specific assembler syntax:
- bsd386.h, att386.h, and sun386.h.
-
- The actual tm.h file for a particular system should include
- this file, and then the file for the appropriate assembler syntax.
-
- Many macros that specify assembler syntax are omitted entirely from
- this file because they really belong in the files for particular
- assemblers. These include RP, IP, LPREFIX, PUT_OP_SIZE, USE_STAR,
- ADDR_BEG, ADDR_END, PRINT_IREG, PRINT_SCALE, PRINT_B_I_S, and many
- that start with ASM_ or end in ASM_OP. */
-
/* Define the specific costs for a given cpu */
struct processor_costs {
#define TARGET_GENERIC (TARGET_GENERIC32 || TARGET_GENERIC64)
#define TARGET_AMDFAM10 (ix86_tune == PROCESSOR_AMDFAM10)
-#define TUNEMASK (1 << ix86_tune)
-extern const int x86_use_leave, x86_push_memory, x86_zero_extend_with_and;
-extern const int x86_use_bit_test, x86_cmove, x86_deep_branch;
-extern const int x86_branch_hints, x86_unroll_strlen;
-extern const int x86_double_with_add, x86_partial_reg_stall, x86_movx;
-extern const int x86_use_himode_fiop, x86_use_simode_fiop;
-extern const int x86_use_mov0, x86_use_cltd, x86_read_modify_write;
-extern const int x86_read_modify, x86_split_long_moves;
-extern const int x86_promote_QImode, x86_single_stringop, x86_fast_prefix;
-extern const int x86_himode_math, x86_qimode_math, x86_promote_qi_regs;
-extern const int x86_promote_hi_regs, x86_integer_DFmode_moves;
-extern const int x86_add_esp_4, x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8;
-extern const int x86_partial_reg_dependency, x86_memory_mismatch_stall;
-extern const int x86_accumulate_outgoing_args, x86_prologue_using_move;
-extern const int x86_epilogue_using_move, x86_decompose_lea;
-extern const int x86_arch_always_fancy_math_387, x86_shift1;
-extern const int x86_sse_partial_reg_dependency, x86_sse_split_regs;
-extern const int x86_sse_unaligned_move_optimal;
-extern const int x86_sse_typeless_stores, x86_sse_load0_by_pxor;
-extern const int x86_use_ffreep;
-extern const int x86_inter_unit_moves, x86_schedule;
-extern const int x86_use_bt;
-extern const int x86_cmpxchg, x86_cmpxchg8b, x86_xadd;
-extern const int x86_use_incdec;
-extern const int x86_pad_returns;
-extern const int x86_bswap;
-extern const int x86_partial_flag_reg_stall;
-extern int x86_prefetch_sse, x86_cmpxchg16b;
-
-#define TARGET_USE_LEAVE (x86_use_leave & TUNEMASK)
-#define TARGET_PUSH_MEMORY (x86_push_memory & TUNEMASK)
-#define TARGET_ZERO_EXTEND_WITH_AND (x86_zero_extend_with_and & TUNEMASK)
-#define TARGET_USE_BIT_TEST (x86_use_bit_test & TUNEMASK)
-#define TARGET_UNROLL_STRLEN (x86_unroll_strlen & TUNEMASK)
-/* For sane SSE instruction set generation we need fcomi instruction. It is
- safe to enable all CMOVE instructions. */
-#define TARGET_CMOVE ((x86_cmove & (1 << ix86_arch)) || TARGET_SSE)
-#define TARGET_FISTTP (TARGET_SSE3 && TARGET_80387)
-#define TARGET_DEEP_BRANCH_PREDICTION (x86_deep_branch & TUNEMASK)
-#define TARGET_BRANCH_PREDICTION_HINTS (x86_branch_hints & TUNEMASK)
-#define TARGET_DOUBLE_WITH_ADD (x86_double_with_add & TUNEMASK)
-#define TARGET_USE_SAHF ((x86_use_sahf & TUNEMASK) && !TARGET_64BIT)
-#define TARGET_MOVX (x86_movx & TUNEMASK)
-#define TARGET_PARTIAL_REG_STALL (x86_partial_reg_stall & TUNEMASK)
-#define TARGET_PARTIAL_FLAG_REG_STALL (x86_partial_flag_reg_stall & TUNEMASK)
-#define TARGET_USE_HIMODE_FIOP (x86_use_himode_fiop & TUNEMASK)
-#define TARGET_USE_SIMODE_FIOP (x86_use_simode_fiop & TUNEMASK)
-#define TARGET_USE_MOV0 (x86_use_mov0 & TUNEMASK)
-#define TARGET_USE_CLTD (x86_use_cltd & TUNEMASK)
-#define TARGET_SPLIT_LONG_MOVES (x86_split_long_moves & TUNEMASK)
-#define TARGET_READ_MODIFY_WRITE (x86_read_modify_write & TUNEMASK)
-#define TARGET_READ_MODIFY (x86_read_modify & TUNEMASK)
-#define TARGET_PROMOTE_QImode (x86_promote_QImode & TUNEMASK)
-#define TARGET_FAST_PREFIX (x86_fast_prefix & TUNEMASK)
-#define TARGET_SINGLE_STRINGOP (x86_single_stringop & TUNEMASK)
-#define TARGET_QIMODE_MATH (x86_qimode_math & TUNEMASK)
-#define TARGET_HIMODE_MATH (x86_himode_math & TUNEMASK)
-#define TARGET_PROMOTE_QI_REGS (x86_promote_qi_regs & TUNEMASK)
-#define TARGET_PROMOTE_HI_REGS (x86_promote_hi_regs & TUNEMASK)
-#define TARGET_ADD_ESP_4 (x86_add_esp_4 & TUNEMASK)
-#define TARGET_ADD_ESP_8 (x86_add_esp_8 & TUNEMASK)
-#define TARGET_SUB_ESP_4 (x86_sub_esp_4 & TUNEMASK)
-#define TARGET_SUB_ESP_8 (x86_sub_esp_8 & TUNEMASK)
-#define TARGET_INTEGER_DFMODE_MOVES (x86_integer_DFmode_moves & TUNEMASK)
-#define TARGET_PARTIAL_REG_DEPENDENCY (x86_partial_reg_dependency & TUNEMASK)
+/* Feature tests against the various tunings. */
+enum ix86_tune_indices {
+ X86_TUNE_USE_LEAVE,
+ X86_TUNE_PUSH_MEMORY,
+ X86_TUNE_ZERO_EXTEND_WITH_AND,
+ X86_TUNE_USE_BIT_TEST,
+ X86_TUNE_UNROLL_STRLEN,
+ X86_TUNE_DEEP_BRANCH_PREDICTION,
+ X86_TUNE_BRANCH_PREDICTION_HINTS,
+ X86_TUNE_DOUBLE_WITH_ADD,
+ X86_TUNE_USE_SAHF,
+ X86_TUNE_MOVX,
+ X86_TUNE_PARTIAL_REG_STALL,
+ X86_TUNE_PARTIAL_FLAG_REG_STALL,
+ X86_TUNE_USE_HIMODE_FIOP,
+ X86_TUNE_USE_SIMODE_FIOP,
+ X86_TUNE_USE_MOV0,
+ X86_TUNE_USE_CLTD,
+ X86_TUNE_USE_XCHGB,
+ X86_TUNE_SPLIT_LONG_MOVES,
+ X86_TUNE_READ_MODIFY_WRITE,
+ X86_TUNE_READ_MODIFY,
+ X86_TUNE_PROMOTE_QIMODE,
+ X86_TUNE_FAST_PREFIX,
+ X86_TUNE_SINGLE_STRINGOP,
+ X86_TUNE_QIMODE_MATH,
+ X86_TUNE_HIMODE_MATH,
+ X86_TUNE_PROMOTE_QI_REGS,
+ X86_TUNE_PROMOTE_HI_REGS,
+ X86_TUNE_ADD_ESP_4,
+ X86_TUNE_ADD_ESP_8,
+ X86_TUNE_SUB_ESP_4,
+ X86_TUNE_SUB_ESP_8,
+ X86_TUNE_INTEGER_DFMODE_MOVES,
+ X86_TUNE_PARTIAL_REG_DEPENDENCY,
+ X86_TUNE_SSE_PARTIAL_REG_DEPENDENCY,
+ X86_TUNE_SSE_UNALIGNED_MOVE_OPTIMAL,
+ X86_TUNE_SSE_SPLIT_REGS,
+ X86_TUNE_SSE_TYPELESS_STORES,
+ X86_TUNE_SSE_LOAD0_BY_PXOR,
+ X86_TUNE_MEMORY_MISMATCH_STALL,
+ X86_TUNE_PROLOGUE_USING_MOVE,
+ X86_TUNE_EPILOGUE_USING_MOVE,
+ X86_TUNE_SHIFT1,
+ X86_TUNE_USE_FFREEP,
+ X86_TUNE_INTER_UNIT_MOVES,
+ X86_TUNE_FOUR_JUMP_LIMIT,
+ X86_TUNE_SCHEDULE,
+ X86_TUNE_USE_BT,
+ X86_TUNE_USE_INCDEC,
+ X86_TUNE_PAD_RETURNS,
+ X86_TUNE_EXT_80387_CONSTANTS,
+ X86_TUNE_SHORTEN_X87_SSE,
+ X86_TUNE_AVOID_VECTOR_DECODE,
+ X86_TUNE_PROMOTE_HIMODE_IMUL,
+ X86_TUNE_SLOW_IMUL_IMM32_MEM,
+ X86_TUNE_SLOW_IMUL_IMM8,
+ X86_TUNE_MOVE_M1_VIA_OR,
+ X86_TUNE_NOT_UNPAIRABLE,
+ X86_TUNE_NOT_VECTORMODE,
+
+ X86_TUNE_LAST
+};
+
+extern unsigned int ix86_tune_features[X86_TUNE_LAST];
+
+#define TARGET_USE_LEAVE ix86_tune_features[X86_TUNE_USE_LEAVE]
+#define TARGET_PUSH_MEMORY ix86_tune_features[X86_TUNE_PUSH_MEMORY]
+#define TARGET_ZERO_EXTEND_WITH_AND \
+ ix86_tune_features[X86_TUNE_ZERO_EXTEND_WITH_AND]
+#define TARGET_USE_BIT_TEST ix86_tune_features[X86_TUNE_USE_BIT_TEST]
+#define TARGET_UNROLL_STRLEN ix86_tune_features[X86_TUNE_UNROLL_STRLEN]
+#define TARGET_DEEP_BRANCH_PREDICTION \
+ ix86_tune_features[X86_TUNE_DEEP_BRANCH_PREDICTION]
+#define TARGET_BRANCH_PREDICTION_HINTS \
+ ix86_tune_features[X86_TUNE_BRANCH_PREDICTION_HINTS]
+#define TARGET_DOUBLE_WITH_ADD ix86_tune_features[X86_TUNE_DOUBLE_WITH_ADD]
+#define TARGET_USE_SAHF ix86_tune_features[X86_TUNE_USE_SAHF]
+#define TARGET_MOVX ix86_tune_features[X86_TUNE_MOVX]
+#define TARGET_PARTIAL_REG_STALL ix86_tune_features[X86_TUNE_PARTIAL_REG_STALL]
+#define TARGET_PARTIAL_FLAG_REG_STALL \
+ ix86_tune_features[X86_TUNE_PARTIAL_FLAG_REG_STALL]
+#define TARGET_USE_HIMODE_FIOP ix86_tune_features[X86_TUNE_USE_HIMODE_FIOP]
+#define TARGET_USE_SIMODE_FIOP ix86_tune_features[X86_TUNE_USE_SIMODE_FIOP]
+#define TARGET_USE_MOV0 ix86_tune_features[X86_TUNE_USE_MOV0]
+#define TARGET_USE_CLTD ix86_tune_features[X86_TUNE_USE_CLTD]
+#define TARGET_USE_XCHGB ix86_tune_features[X86_TUNE_USE_XCHGB]
+#define TARGET_SPLIT_LONG_MOVES ix86_tune_features[X86_TUNE_SPLIT_LONG_MOVES]
+#define TARGET_READ_MODIFY_WRITE ix86_tune_features[X86_TUNE_READ_MODIFY_WRITE]
+#define TARGET_READ_MODIFY ix86_tune_features[X86_TUNE_READ_MODIFY]
+#define TARGET_PROMOTE_QImode ix86_tune_features[X86_TUNE_PROMOTE_QIMODE]
+#define TARGET_FAST_PREFIX ix86_tune_features[X86_TUNE_FAST_PREFIX]
+#define TARGET_SINGLE_STRINGOP ix86_tune_features[X86_TUNE_SINGLE_STRINGOP]
+#define TARGET_QIMODE_MATH ix86_tune_features[X86_TUNE_QIMODE_MATH]
+#define TARGET_HIMODE_MATH ix86_tune_features[X86_TUNE_HIMODE_MATH]
+#define TARGET_PROMOTE_QI_REGS ix86_tune_features[X86_TUNE_PROMOTE_QI_REGS]
+#define TARGET_PROMOTE_HI_REGS ix86_tune_features[X86_TUNE_PROMOTE_HI_REGS]
+#define TARGET_ADD_ESP_4 ix86_tune_features[X86_TUNE_ADD_ESP_4]
+#define TARGET_ADD_ESP_8 ix86_tune_features[X86_TUNE_ADD_ESP_8]
+#define TARGET_SUB_ESP_4 ix86_tune_features[X86_TUNE_SUB_ESP_4]
+#define TARGET_SUB_ESP_8 ix86_tune_features[X86_TUNE_SUB_ESP_8]
+#define TARGET_INTEGER_DFMODE_MOVES \
+ ix86_tune_features[X86_TUNE_INTEGER_DFMODE_MOVES]
+#define TARGET_PARTIAL_REG_DEPENDENCY \
+ ix86_tune_features[X86_TUNE_PARTIAL_REG_DEPENDENCY]
#define TARGET_SSE_PARTIAL_REG_DEPENDENCY \
- (x86_sse_partial_reg_dependency & TUNEMASK)
+ ix86_tune_features[X86_TUNE_SSE_PARTIAL_REG_DEPENDENCY]
#define TARGET_SSE_UNALIGNED_MOVE_OPTIMAL \
- (x86_sse_unaligned_move_optimal & TUNEMASK)
-#define TARGET_SSE_SPLIT_REGS (x86_sse_split_regs & TUNEMASK)
-#define TARGET_SSE_TYPELESS_STORES (x86_sse_typeless_stores & TUNEMASK)
-#define TARGET_SSE_LOAD0_BY_PXOR (x86_sse_load0_by_pxor & TUNEMASK)
-#define TARGET_MEMORY_MISMATCH_STALL (x86_memory_mismatch_stall & TUNEMASK)
-#define TARGET_PROLOGUE_USING_MOVE (x86_prologue_using_move & TUNEMASK)
-#define TARGET_EPILOGUE_USING_MOVE (x86_epilogue_using_move & TUNEMASK)
-#define TARGET_PREFETCH_SSE (x86_prefetch_sse)
-#define TARGET_SHIFT1 (x86_shift1 & TUNEMASK)
-#define TARGET_USE_FFREEP (x86_use_ffreep & TUNEMASK)
-#define TARGET_INTER_UNIT_MOVES (x86_inter_unit_moves & TUNEMASK)
-#define TARGET_FOUR_JUMP_LIMIT (x86_four_jump_limit & TUNEMASK)
-#define TARGET_SCHEDULE (x86_schedule & TUNEMASK)
-#define TARGET_USE_BT (x86_use_bt & TUNEMASK)
-#define TARGET_USE_INCDEC (x86_use_incdec & TUNEMASK)
-#define TARGET_PAD_RETURNS (x86_pad_returns & TUNEMASK)
-
-#define ASSEMBLER_DIALECT (ix86_asm_dialect)
-
-#define TARGET_SSE_MATH ((ix86_fpmath & FPMATH_SSE) != 0)
-#define TARGET_MIX_SSE_I387 ((ix86_fpmath & FPMATH_SSE) \
- && (ix86_fpmath & FPMATH_387))
-
-#define TARGET_GNU_TLS (ix86_tls_dialect == TLS_DIALECT_GNU)
-#define TARGET_GNU2_TLS (ix86_tls_dialect == TLS_DIALECT_GNU2)
-#define TARGET_ANY_GNU_TLS (TARGET_GNU_TLS || TARGET_GNU2_TLS)
-#define TARGET_SUN_TLS (ix86_tls_dialect == TLS_DIALECT_SUN)
-
-#define TARGET_CMPXCHG (x86_cmpxchg & (1 << ix86_arch))
-#define TARGET_CMPXCHG8B (x86_cmpxchg8b & (1 << ix86_arch))
-#define TARGET_CMPXCHG16B (x86_cmpxchg16b)
-#define TARGET_XADD (x86_xadd & (1 << ix86_arch))
-#define TARGET_BSWAP (x86_bswap & (1 << ix86_arch))
+ ix86_tune_features[X86_TUNE_SSE_UNALIGNED_MOVE_OPTIMAL]
+#define TARGET_SSE_SPLIT_REGS ix86_tune_features[X86_TUNE_SSE_SPLIT_REGS]
+#define TARGET_SSE_TYPELESS_STORES \
+ ix86_tune_features[X86_TUNE_SSE_TYPELESS_STORES]
+#define TARGET_SSE_LOAD0_BY_PXOR ix86_tune_features[X86_TUNE_SSE_LOAD0_BY_PXOR]
+#define TARGET_MEMORY_MISMATCH_STALL \
+ ix86_tune_features[X86_TUNE_MEMORY_MISMATCH_STALL]
+#define TARGET_PROLOGUE_USING_MOVE \
+ ix86_tune_features[X86_TUNE_PROLOGUE_USING_MOVE]
+#define TARGET_EPILOGUE_USING_MOVE \
+ ix86_tune_features[X86_TUNE_EPILOGUE_USING_MOVE]
+#define TARGET_SHIFT1 ix86_tune_features[X86_TUNE_SHIFT1]
+#define TARGET_USE_FFREEP ix86_tune_features[X86_TUNE_USE_FFREEP]
+#define TARGET_INTER_UNIT_MOVES ix86_tune_features[X86_TUNE_INTER_UNIT_MOVES]
+#define TARGET_FOUR_JUMP_LIMIT ix86_tune_features[X86_TUNE_FOUR_JUMP_LIMIT]
+#define TARGET_SCHEDULE ix86_tune_features[X86_TUNE_SCHEDULE]
+#define TARGET_USE_BT ix86_tune_features[X86_TUNE_USE_BT]
+#define TARGET_USE_INCDEC ix86_tune_features[X86_TUNE_USE_INCDEC]
+#define TARGET_PAD_RETURNS ix86_tune_features[X86_TUNE_PAD_RETURNS]
+#define TARGET_EXT_80387_CONSTANTS \
+ ix86_tune_features[X86_TUNE_EXT_80387_CONSTANTS]
+#define TARGET_SHORTEN_X87_SSE ix86_tune_features[X86_TUNE_SHORTEN_X87_SSE]
+#define TARGET_AVOID_VECTOR_DECODE \
+ ix86_tune_features[X86_TUNE_AVOID_VECTOR_DECODE]
+#define TARGET_TUNE_PROMOTE_HIMODE_IMUL \
+ ix86_tune_features[X86_TUNE_PROMOTE_HIMODE_IMUL]
+#define TARGET_SLOW_IMUL_IMM32_MEM \
+ ix86_tune_features[X86_TUNE_SLOW_IMUL_IMM32_MEM]
+#define TARGET_SLOW_IMUL_IMM8 ix86_tune_features[X86_TUNE_SLOW_IMUL_IMM8]
+#define TARGET_MOVE_M1_VIA_OR ix86_tune_features[X86_TUNE_MOVE_M1_VIA_OR]
+#define TARGET_NOT_UNPAIRABLE ix86_tune_features[X86_TUNE_NOT_UNPAIRABLE]
+#define TARGET_NOT_VECTORMODE ix86_tune_features[X86_TUNE_NOT_VECTORMODE]
+
+/* Feature tests against the various architecture variations. */
+enum ix86_arch_indices {
+ X86_ARCH_CMOVE, /* || TARGET_SSE */
+ X86_ARCH_CMPXCHG,
+ X86_ARCH_CMPXCHG8B,
+ X86_ARCH_XADD,
+ X86_ARCH_BSWAP,
+
+ X86_ARCH_LAST
+};
+
+extern unsigned int ix86_arch_features[X86_ARCH_LAST];
+
+#define TARGET_CMOVE ix86_arch_features[X86_ARCH_CMOVE]
+#define TARGET_CMPXCHG ix86_arch_features[X86_ARCH_CMPXCHG]
+#define TARGET_CMPXCHG8B ix86_arch_features[X86_ARCH_CMPXCHG8B]
+#define TARGET_XADD ix86_arch_features[X86_ARCH_XADD]
+#define TARGET_BSWAP ix86_arch_features[X86_ARCH_BSWAP]
+
+#define TARGET_FISTTP (TARGET_SSE3 && TARGET_80387)
+
+extern int x86_prefetch_sse;
+
+#define TARGET_ABM x86_abm
+#define TARGET_CMPXCHG16B x86_cmpxchg16b
+#define TARGET_POPCNT x86_popcnt
+#define TARGET_PREFETCH_SSE x86_prefetch_sse
+#define TARGET_SAHF x86_sahf
+#define TARGET_RECIP x86_recip
+
+#define ASSEMBLER_DIALECT (ix86_asm_dialect)
+
+#define TARGET_SSE_MATH ((ix86_fpmath & FPMATH_SSE) != 0)
+#define TARGET_MIX_SSE_I387 \
+ ((ix86_fpmath & (FPMATH_SSE | FPMATH_387)) == (FPMATH_SSE | FPMATH_387))
+
+#define TARGET_GNU_TLS (ix86_tls_dialect == TLS_DIALECT_GNU)
+#define TARGET_GNU2_TLS (ix86_tls_dialect == TLS_DIALECT_GNU2)
+#define TARGET_ANY_GNU_TLS (TARGET_GNU_TLS || TARGET_GNU2_TLS)
+#define TARGET_SUN_TLS (ix86_tls_dialect == TLS_DIALECT_SUN)
+
+extern int ix86_isa_flags;
#ifndef TARGET_64BIT_DEFAULT
#define TARGET_64BIT_DEFAULT 0
#define TARGET_TLS_DIRECT_SEG_REFS_DEFAULT 0
#endif
+/* Fence to use after loop using storent. */
+
+extern tree x86_mfence;
+#define FENCE_FOLLOWING_MOVNT x86_mfence
+
/* Once GDB has been enhanced to deal with functions without frame
pointers, we can change this to allow for elimination of
the frame pointer in leaf functions. */
#define TARGET_DEFAULT 0
+/* Extra bits to force. */
+#define TARGET_SUBTARGET_DEFAULT 0
+#define TARGET_SUBTARGET_ISA_DEFAULT 0
+
+/* Extra bits to force on w/ 32-bit mode. */
+#define TARGET_SUBTARGET32_DEFAULT 0
+#define TARGET_SUBTARGET32_ISA_DEFAULT 0
+
+/* Extra bits to force on w/ 64-bit mode. */
+#define TARGET_SUBTARGET64_DEFAULT 0
+#define TARGET_SUBTARGET64_ISA_DEFAULT 0
+
/* This is not really a target flag, but is done this way so that
it's analogous to similar code for Mach-O on PowerPC. darwin.h
redefines this to 1. */
#define TARGET_MACHO 0
+/* Likewise, for the Windows 64-bit ABI. */
+#define TARGET_64BIT_MS_ABI 0
+
/* Subtargets may reset this to 1 in order to enable 96-bit long double
with the rounding mode forced to 53 bits. */
#define TARGET_96_ROUND_53_LONG_DOUBLE 0
#ifndef CC1_CPU_SPEC
#define CC1_CPU_SPEC_1 "\
-%{!mtune*: \
-%{m386:mtune=i386 \
-%n`-m386' is deprecated. Use `-march=i386' or `-mtune=i386' instead.\n} \
-%{m486:-mtune=i486 \
-%n`-m486' is deprecated. Use `-march=i486' or `-mtune=i486' instead.\n} \
-%{mpentium:-mtune=pentium \
-%n`-mpentium' is deprecated. Use `-march=pentium' or `-mtune=pentium' instead.\n} \
-%{mpentiumpro:-mtune=pentiumpro \
-%n`-mpentiumpro' is deprecated. Use `-march=pentiumpro' or `-mtune=pentiumpro' instead.\n} \
%{mcpu=*:-mtune=%* \
-%n`-mcpu=' is deprecated. Use `-mtune=' or '-march=' instead.\n}} \
+%n`-mcpu=' is deprecated. Use `-mtune=' or '-march=' instead.\n} \
%<mcpu=* \
%{mintel-syntax:-masm=intel \
%n`-mintel-syntax' is deprecated. Use `-masm=intel' instead.\n} \
size_t arch_len = strlen (ix86_arch_string); \
size_t tune_len = strlen (ix86_tune_string); \
int last_arch_char = ix86_arch_string[arch_len - 1]; \
- int last_tune_char = ix86_tune_string[tune_len - 1]; \
+ int last_tune_char = ix86_tune_string[tune_len - 1]; \
\
if (TARGET_64BIT) \
{ \
builtin_define ("__SSE3__"); \
if (TARGET_SSSE3) \
builtin_define ("__SSSE3__"); \
- if (TARGET_SSE4A) \
+ if (TARGET_SSE4_1) \
+ builtin_define ("__SSE4_1__"); \
+ if (TARGET_SSE4_2) \
+ builtin_define ("__SSE4_2__"); \
+ if (TARGET_SSE4A) \
builtin_define ("__SSE4A__"); \
if (TARGET_SSE_MATH && TARGET_SSE) \
builtin_define ("__SSE_MATH__"); \
== (TARGET_64BIT ? 3 : 2)); \
} \
j = PIC_OFFSET_TABLE_REGNUM; \
- if (j != INVALID_REGNUM) \
+ if (j != INVALID_REGNUM) \
{ \
- fixed_regs[j] = 1; \
- call_used_regs[j] = 1; \
+ fixed_regs[j] = 1; \
+ call_used_regs[j] = 1; \
} \
if (! TARGET_MMX) \
{ \
for (i = FIRST_REX_SSE_REG; i <= LAST_REX_SSE_REG; i++) \
reg_names[i] = ""; \
} \
+ if (TARGET_64BIT_MS_ABI) \
+ { \
+ call_used_regs[4 /*RSI*/] = 0; \
+ call_used_regs[5 /*RDI*/] = 0; \
+ } \
} while (0)
/* Return number of consecutive hard regs needed starting at reg REGNO
GENERAL_REGS, /* %eax %ebx %ecx %edx %esi %edi %ebp %esp %r8 - %r15*/
FP_TOP_REG, FP_SECOND_REG, /* %st(0) %st(1) */
FLOAT_REGS,
+ SSE_FIRST_REG,
SSE_REGS,
MMX_REGS,
FP_TOP_SSE_REGS,
#define FLOAT_CLASS_P(CLASS) \
reg_class_subset_p ((CLASS), FLOAT_REGS)
#define SSE_CLASS_P(CLASS) \
- ((CLASS) == SSE_REGS)
+ reg_class_subset_p ((CLASS), SSE_REGS)
#define MMX_CLASS_P(CLASS) \
((CLASS) == MMX_REGS)
#define MAYBE_INTEGER_CLASS_P(CLASS) \
"GENERAL_REGS", \
"FP_TOP_REG", "FP_SECOND_REG", \
"FLOAT_REGS", \
+ "SSE_FIRST_REG", \
"SSE_REGS", \
"MMX_REGS", \
"FP_TOP_SSE_REGS", \
{ 0x1100ff, 0x1fe0 }, /* GENERAL_REGS */ \
{ 0x100, 0x0 }, { 0x0200, 0x0 },/* FP_TOP_REG, FP_SECOND_REG */\
{ 0xff00, 0x0 }, /* FLOAT_REGS */ \
+ { 0x200000, 0x0 }, /* SSE_FIRST_REG */ \
{ 0x1fe00000,0x1fe000 }, /* SSE_REGS */ \
{ 0xe0000000, 0x1f }, /* MMX_REGS */ \
{ 0x1fe00100,0x1fe000 }, /* FP_TOP_SSE_REG */ \
#define ANY_FP_REG_P(X) (REG_P (X) && ANY_FP_REGNO_P (REGNO (X)))
#define ANY_FP_REGNO_P(N) (FP_REGNO_P (N) || SSE_REGNO_P (N))
+#define X87_FLOAT_MODE_P(MODE) \
+ (TARGET_80387 && ((MODE) == SFmode || (MODE) == DFmode || (MODE) == XFmode))
+
#define SSE_REG_P(N) (REG_P (N) && SSE_REGNO_P (REGNO (N)))
#define SSE_REGNO_P(N) \
(IN_RANGE ((N), FIRST_SSE_REG, LAST_SSE_REG) \
\f
/* Specify the machine mode that this machine uses
for the index in the tablejump instruction. */
-#define CASE_VECTOR_MODE (!TARGET_64BIT || flag_pic ? SImode : DImode)
+#define CASE_VECTOR_MODE \
+ (!TARGET_64BIT || (flag_pic && ix86_cmodel != CM_LARGE_PIC) ? SImode : DImode)
/* Define this as 1 if `char' should by default be signed; else as 0. */
#define DEFAULT_SIGNED_CHAR 1
/* How to refer to registers in assembler output.
This sequence is indexed by compiler's hard-register-number (see above). */
-/* In order to refer to the first 8 regs as 32 bit regs, prefix an "e".
+/* In order to refer to the first 8 regs as 32-bit regs, prefix an "e".
For non floating point regs, the following are the HImode names.
For float regs, the stack top is sometimes referred to as "%st(0)"
CM_MEDIUM, /* Assumes code fits in the low 31 bits; data unlimited. */
CM_LARGE, /* No assumptions. */
CM_SMALL_PIC, /* Assumes code+data+got/plt fits in a 31 bit region. */
- CM_MEDIUM_PIC /* Assumes code+got/plt fits in a 31 bit region. */
+ CM_MEDIUM_PIC,/* Assumes code+got/plt fits in a 31 bit region. */
+ CM_LARGE_PIC /* No assumptions. */
};
extern enum cmodel ix86_cmodel;
(! IN_RANGE ((SRC), FIRST_STACK_REG, LAST_STACK_REG))
\f
-#define DLL_IMPORT_EXPORT_PREFIX '#'
-
#define FASTCALL_PREFIX '@'
\f
struct machine_function GTY(())
verify whether there's any such instruction live by testing that
REG_SP is live. */
#define ix86_current_function_calls_tls_descriptor \
- (ix86_tls_descriptor_calls_expanded_in_cfun && regs_ever_live[SP_REG])
+ (ix86_tls_descriptor_calls_expanded_in_cfun && df_regs_ever_live_p (SP_REG))
/* Control behavior of x86_file_start. */
#define X86_FILE_START_VERSION_DIRECTIVE false
#define SYMBOL_FLAG_FAR_ADDR (SYMBOL_FLAG_MACH_DEP << 0)
#define SYMBOL_REF_FAR_ADDR_P(X) \
((SYMBOL_REF_FLAGS (X) & SYMBOL_FLAG_FAR_ADDR) != 0)
+
+/* Flags to mark dllimport/dllexport. Used by PE ports, but handy to
+ have defined always, to avoid ifdefing. */
+#define SYMBOL_FLAG_DLLIMPORT (SYMBOL_FLAG_MACH_DEP << 1)
+#define SYMBOL_REF_DLLIMPORT_P(X) \
+ ((SYMBOL_REF_FLAGS (X) & SYMBOL_FLAG_DLLIMPORT) != 0)
+
+#define SYMBOL_FLAG_DLLEXPORT (SYMBOL_FLAG_MACH_DEP << 2)
+#define SYMBOL_REF_DLLEXPORT_P(X) \
+ ((SYMBOL_REF_FLAGS (X) & SYMBOL_FLAG_DLLEXPORT) != 0)
+
/*
Local variables:
version-control: t
OSDN Git Service
