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cpuflag BMI2 for Intel MULX

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This commit is contained in:
Takashi Kojo
2015-04-07 10:21:26 +09:00
parent d8a6d9cffc
commit 015b68e6fb
20 changed files with 1063 additions and 39 deletions
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6
wolfcrypt/src/asm.c
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@@ -65,9 +65,11 @@
#define CPUID_AVX2 0x2
#define CPUID_RDRAND 0x4
#define CPUID_RDSEED 0x8
#define CPUID_BMI2 0x10
#define IS_INTEL_AVX1 (cpuid_flags&CPUID_AVX1)
#define IS_INTEL_AVX2 (cpuid_flags&CPUID_AVX2)
#define IS_INTEL_BMI2 (cpuid_flags&CPUID_BMI2)
#define IS_INTEL_RDRAND (cpuid_flags&CPUID_RDRAND)
#define IS_INTEL_RDSEED (cpuid_flags&CPUID_RDSEED)
#define SET_FLAGS
@@ -95,7 +97,7 @@ static word32 cpuid_flag(word32 leaf, word32 sub, word32 num, word32 bit) {
INLINE static int set_cpuid_flags(void) {
if(cpuid_check == 0) {
if(cpuid_flag(7, 0, EBX, 5)){ cpuid_flags |= CPUID_AVX2 ; }
if(cpuid_flag(7, 0, EBX, 8)){ cpuid_flags |= CPUID_BMI2 ; }
cpuid_check = 1 ;
return 0 ;
}
@@ -105,7 +107,7 @@ INLINE static int set_cpuid_flags(void) {
#define RETURN return
#define IF_HAVE_INTEL_MULX(func, ret) \
if(cpuid_check==0)set_cpuid_flags() ; \
if(IS_INTEL_AVX2){ func; ret ; }
if(IS_INTEL_BMI2){ func; ret ; }
#else
#define IF_HAVE_INTEL_MULX(func, ret)