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Fix missing Detection for AVX OS Support

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This commit is contained in:
Birk Magnussen 2018-03-23 23:08:13 +01:00 • committed by Ivan
parent 32d38a4633
commit c5caaa9211
2 changed files with 14 additions and 3 deletions
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11
Utilities/sysinfo.h
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@ -16,6 +16,17 @@ namespace utils
return {0u+regs[0], 0u+regs[1], 0u+regs[2], 0u+regs[3]};
}
inline u64 get_xgetbv(u32 xcr)
{
#ifdef _MSC_VER
return _xgetbv(xcr);
#else
u32 eax, edx;
__asm__ volatile( "xgetbv" : "=a"(eax), "=d"(edx) : "c"(xcr));
return eax | (u64(edx) << 32);
#endif
}
bool has_ssse3();
bool has_avx();