diff options
Diffstat (limited to 'gcc/config/i386/i386.h')
| -rw-r--r-- | gcc/config/i386/i386.h | 71 |
1 files changed, 68 insertions, 3 deletions
diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h index 440844e7735..63e49032748 100644 --- a/gcc/config/i386/i386.h +++ b/gcc/config/i386/i386.h @@ -40,53 +40,99 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see /* Redefines for option macros. */ #define TARGET_64BIT TARGET_ISA_64BIT +#define TARGET_64BIT_P(x) TARGET_ISA_64BIT_P(x) #define TARGET_MMX TARGET_ISA_MMX +#define TARGET_MMX_P(x) TARGET_ISA_MMX_P(x) #define TARGET_3DNOW TARGET_ISA_3DNOW +#define TARGET_3DNOW_P(x) TARGET_ISA_3DNOW_P(x) #define TARGET_3DNOW_A TARGET_ISA_3DNOW_A +#define TARGET_3DNOW_A_P(x) TARGET_ISA_3DNOW_A_P(x) #define TARGET_SSE TARGET_ISA_SSE +#define TARGET_SSE_P(x) TARGET_ISA_SSE_P(x) #define TARGET_SSE2 TARGET_ISA_SSE2 +#define TARGET_SSE2_P(x) TARGET_ISA_SSE2_P(x) #define TARGET_SSE3 TARGET_ISA_SSE3 +#define TARGET_SSE3_P(x) TARGET_ISA_SSE3_P(x) #define TARGET_SSSE3 TARGET_ISA_SSSE3 +#define TARGET_SSSE3_P(x) TARGET_ISA_SSSE3_P(x) #define TARGET_SSE4_1 TARGET_ISA_SSE4_1 +#define TARGET_SSE4_1_P(x) TARGET_ISA_SSE4_1_P(x) #define TARGET_SSE4_2 TARGET_ISA_SSE4_2 +#define TARGET_SSE4_2_P(x) TARGET_ISA_SSE4_2_P(x) #define TARGET_AVX TARGET_ISA_AVX +#define TARGET_AVX_P(x) TARGET_ISA_AVX_P(x) #define TARGET_AVX2 TARGET_ISA_AVX2 +#define TARGET_AVX2_P(x) TARGET_ISA_AVX2_P(x) #define TARGET_AVX512F TARGET_ISA_AVX512F +#define TARGET_AVX512F_P(x) TARGET_ISA_AVX512F_P(x) #define TARGET_AVX512PF TARGET_ISA_AVX512PF +#define TARGET_AVX512PF_P(x) TARGET_ISA_AVX512PF_P(x) #define TARGET_AVX512ER TARGET_ISA_AVX512ER +#define TARGET_AVX512ER_P(x) TARGET_ISA_AVX512ER_P(x) #define TARGET_AVX512CD TARGET_ISA_AVX512CD +#define TARGET_AVX512CD_P(x) TARGET_ISA_AVX512CD_P(x) #define TARGET_FMA TARGET_ISA_FMA +#define TARGET_FMA_P(x) TARGET_ISA_FMA_P(x) #define TARGET_SSE4A TARGET_ISA_SSE4A +#define TARGET_SSE4A_P(x) TARGET_ISA_SSE4A_P(x) #define TARGET_FMA4 TARGET_ISA_FMA4 +#define TARGET_FMA4_P(x) TARGET_ISA_FMA4_P(x) #define TARGET_XOP TARGET_ISA_XOP +#define TARGET_XOP_P(x) TARGET_ISA_XOP_P(x) #define TARGET_LWP TARGET_ISA_LWP +#define TARGET_LWP_P(x) TARGET_ISA_LWP_P(x) #define TARGET_ROUND TARGET_ISA_ROUND #define TARGET_ABM TARGET_ISA_ABM +#define TARGET_ABM_P(x) TARGET_ISA_ABM_P(x) #define TARGET_BMI TARGET_ISA_BMI +#define TARGET_BMI_P(x) TARGET_ISA_BMI_P(x) #define TARGET_BMI2 TARGET_ISA_BMI2 +#define TARGET_BMI2_P(x) TARGET_ISA_BMI2_P(x) #define TARGET_LZCNT TARGET_ISA_LZCNT +#define TARGET_LZCNT_P(x) TARGET_ISA_LZCNT_P(x) #define TARGET_TBM TARGET_ISA_TBM +#define TARGET_TBM_P(x) TARGET_ISA_TBM_P(x) #define TARGET_POPCNT TARGET_ISA_POPCNT +#define TARGET_POPCNT_P(x) TARGET_ISA_POPCNT_P(x) #define TARGET_SAHF TARGET_ISA_SAHF +#define TARGET_SAHF_P(x) TARGET_ISA_SAHF_P(x) #define TARGET_MOVBE TARGET_ISA_MOVBE +#define TARGET_MOVBE_P(x) TARGET_ISA_MOVBE_P(x) #define TARGET_CRC32 TARGET_ISA_CRC32 +#define TARGET_CRC32_P(x) TARGET_ISA_CRC32_P(x) #define TARGET_AES TARGET_ISA_AES +#define TARGET_AES_P(x) TARGET_ISA_AES_P(x) #define TARGET_PCLMUL TARGET_ISA_PCLMUL +#define TARGET_PCLMUL_P(x) TARGET_ISA_PCLMUL_P(x) #define TARGET_CMPXCHG16B TARGET_ISA_CX16 +#define TARGET_CMPXCHG16B_P(x) TARGET_ISA_CX16_P(x) #define TARGET_FSGSBASE TARGET_ISA_FSGSBASE +#define TARGET_FSGSBASE_P(x) TARGET_ISA_FSGSBASE_P(x) #define TARGET_RDRND TARGET_ISA_RDRND +#define TARGET_RDRND_P(x) TARGET_ISA_RDRND_P(x) #define TARGET_F16C TARGET_ISA_F16C +#define TARGET_F16C_P(x) TARGET_ISA_F16C_P(x) #define TARGET_RTM TARGET_ISA_RTM +#define TARGET_RTM_P(x) TARGET_ISA_RTM_P(x) #define TARGET_HLE TARGET_ISA_HLE +#define TARGET_HLE_P(x) TARGET_ISA_HLE_P(x) #define TARGET_RDSEED TARGET_ISA_RDSEED +#define TARGET_RDSEED_P(x) TARGET_ISA_RDSEED_P(x) #define TARGET_PRFCHW TARGET_ISA_PRFCHW +#define TARGET_PRFCHW_P(x) TARGET_ISA_PRFCHW_P(x) #define TARGET_ADX TARGET_ISA_ADX +#define TARGET_ADX_P(x) TARGET_ISA_ADX_P(x) #define TARGET_FXSR TARGET_ISA_FXSR +#define TARGET_FXSR_P(x) TARGET_ISA_FXSR_P(x) #define TARGET_XSAVE TARGET_ISA_XSAVE +#define TARGET_XSAVE_P(x) TARGET_ISA_XSAVE_P(x) #define TARGET_XSAVEOPT TARGET_ISA_XSAVEOPT +#define TARGET_XSAVEOPT_P(x) TARGET_ISA_XSAVEOPT_P(x) #define TARGET_LP64 TARGET_ABI_64 +#define TARGET_LP64_P(x) TARGET_ABI_64_P(x) #define TARGET_X32 TARGET_ABI_X32 +#define TARGET_X32_P(x) TARGET_ABI_X32_P(x) /* SSE4.1 defines round instructions */ #define OPTION_MASK_ISA_ROUND OPTION_MASK_ISA_SSE4_1 @@ -212,7 +258,13 @@ extern const struct processor_costs ix86_size_cost; (TARGET_64BIT && TARGET_SSE ? FPMATH_SSE : FPMATH_387) #endif +#ifndef TARGET_FPMATH_DEFAULT_P +#define TARGET_FPMATH_DEFAULT_P(x) \ + (TARGET_64BIT_P(x) && TARGET_SSE_P(x) ? FPMATH_SSE : FPMATH_387) +#endif + #define TARGET_FLOAT_RETURNS_IN_80387 TARGET_FLOAT_RETURNS +#define TARGET_FLOAT_RETURNS_IN_80387_P(x) TARGET_FLOAT_RETURNS_P(x) /* 64bit Sledgehammer mode. For libgcc2 we make sure this is a compile-time constant. */ @@ -1492,13 +1544,26 @@ enum reg_class will be computed and placed into the variable `crtl->outgoing_args_size'. No space will be pushed onto the stack for each call; instead, the function prologue should increase the stack frame size by this amount. + + In 32bit mode enabling argument accumulation results in about 5% code size + growth becuase move instructions are less compact than push. In 64bit + mode the difference is less drastic but visible. + + FIXME: Unlike earlier implementations, the size of unwind info seems to + actually grouw with accumulation. Is that because accumulated args + unwind info became unnecesarily bloated? 64-bit MS ABI seem to require 16 byte alignment everywhere except for - function prologue and apilogue. This is not possible without - ACCUMULATE_OUTGOING_ARGS. */ + function prologue and epilogue. This is not possible without + ACCUMULATE_OUTGOING_ARGS. + + If stack probes are required, the space used for large function + arguments on the stack must also be probed, so enable + -maccumulate-outgoing-args so this happens in the prologue. */ #define ACCUMULATE_OUTGOING_ARGS \ - (TARGET_ACCUMULATE_OUTGOING_ARGS || TARGET_64BIT_MS_ABI) + ((TARGET_ACCUMULATE_OUTGOING_ARGS && optimize_function_for_speed_p (cfun)) \ + || TARGET_STACK_PROBE || TARGET_64BIT_MS_ABI) /* If defined, a C expression whose value is nonzero when we want to use PUSH instructions to pass outgoing arguments. */ |