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Move cpuid stuff away from compiler namespace.

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Conflicts:
	src/strategyselector.c
This commit is contained in:
Ari Koivula 2014-05-29 17:02:44 +03:00
parent 6a72f87028
commit a483e8cb0f
1 changed files with 11 additions and 8 deletions
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19
src/strategyselector.c
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@ -158,19 +158,22 @@ static void* strategyselector_choose_for(const strategy_list * const strategies,
#if defined(__GNUC__)
#include <cpuid.h>
INLINE int get_cpuid(unsigned int level, unsigned int *eax, unsigned int *ebx, unsigned int *ecx, unsigned int *edx) {
return __get_cpuid(level, eax, ebx, ecx, edx);
}
#else
#include <intrin.h>
//Adapter from __cpuid (VS) to __get_cpuid (GNU C).
__inline int __get_cpuid(unsigned int __level, unsigned int *__eax, unsigned int *__ebx, unsigned int *__ecx, unsigned int *__edx) {
int CPUInfo[4] = {*__eax, *__ebx, *__ecx, *__edx};
INLINE int get_cpuid(unsigned int level, unsigned int *eax, unsigned int *ebx, unsigned int *ecx, unsigned int *edx) {
int CPUInfo[4] = {*eax, *ebx, *ecx, *edx};
__cpuid(CPUInfo, 0);
// check if the CPU supports the cpuid instruction.
if (CPUInfo[0] != 0) {
__cpuid(CPUInfo, __level);
*__eax = CPUInfo[0];
*__ebx = CPUInfo[1];
*__ecx = CPUInfo[2];
*__edx = CPUInfo[3];
__cpuid(CPUInfo, level);
*eax = CPUInfo[0];
*ebx = CPUInfo[1];
*ecx = CPUInfo[2];
*edx = CPUInfo[3];
return 1;
}
return 0;
@ -193,7 +196,7 @@ static void set_hardware_flags() {
enum { BIT_SSE3 = 0,BIT_SSSE3 = 9, BIT_SSE41 = 19, BIT_SSE42 = 20, BIT_MMX = 24, BIT_SSE = 25, BIT_SSE2 = 26, BIT_AVX = 28};
// Dig CPU features with cpuid
__get_cpuid(1, &eax, &ebx, &ecx, &edx);
get_cpuid(1, &eax, &ebx, &ecx, &edx);
// EDX
if (edx & (1<<BIT_MMX)) g_hardware_flags.intel_flags.mmx = 1;