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Add xcr0 (os support) check

tags/v0.3.6^2
Martin Kroeker GitHub 6 years ago
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      cpuid_x86.c

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cpuid_x86.c View File

@@ -239,6 +239,8 @@ int support_avx512(){
ret=0; //OS does not even support AVX2
}
if((ebx & (1<<31)) != 0){
xgetbv(0, &eax, &edx);
if((eax & 0xe0) == 0xe0)
ret=1; //OS supports AVX512VL
}
return ret;


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