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Merge pull request #7085 from kencooke/master

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Added AVX detection for Mac/Linux
This commit is contained in:
Andrew Meadows 2016-02-12 16:50:36 -08:00
commit 33d49fecaf
1 changed files with 15 additions and 2 deletions
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17
libraries/audio/src/AudioHRTF.cpp
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@ -143,10 +143,23 @@ static bool cpuSupportsAVX() {
return result;
}
#elif defined(__GNU__)
#elif defined(__GNUC__)
#include <cpuid.h>
static bool cpuSupportsAVX() {
return __builtin_cpu_supports("avx");
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