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Use shared CPUDetect.h for CPU detection

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This commit is contained in:
Ken Cooke 2016-06-09 15:07:24 -07:00
parent 262e0262fc
commit d7079fce8c
1 changed files with 2 additions and 51 deletions
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53
libraries/audio/src/AudioHRTF.cpp
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@ -119,61 +119,12 @@ static void FIR_1x4_SSE(float* src, float* dst0, float* dst1, float* dst2, float
}
}
//
// Detect AVX/AVX2 support
//
#if defined(_MSC_VER)
#include <intrin.h>
static bool cpuSupportsAVX() {
int info[4];
int mask = (1 << 27) | (1 << 28); // OSXSAVE and AVX
__cpuidex(info, 0x1, 0);
bool result = false;
if ((info[2] & mask) == mask) {
if ((_xgetbv(_XCR_XFEATURE_ENABLED_MASK) & 0x6) == 0x6) {
result = true;
}
}
return result;
}
#elif defined(__GNUC__)
#include <cpuid.h>
static bool cpuSupportsAVX() {
unsigned int eax, ebx, ecx, edx;
unsigned int mask = (1 << 27) | (1 << 28); // OSXSAVE and AVX
bool result = false;
if (__get_cpuid(0x1, &eax, &ebx, &ecx, &edx) && ((ecx & mask) == mask)) {
__asm__("xgetbv" : "=a"(eax), "=d"(edx) : "c"(0));
if ((eax & 0x6) == 0x6) {
result = true;
}
}
return result;
}
#else
static bool cpuSupportsAVX() {
return false;
}
#endif
//
// Runtime CPU dispatch
//
#include "CPUDetect.h"
typedef void FIR_1x4_t(float* src, float* dst0, float* dst1, float* dst2, float* dst3, float coef[4][HRTF_TAPS], int numFrames);
FIR_1x4_t FIR_1x4_AVX; // separate compilation with VEX-encoding enabled