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Add xcr0 (os support) check

tags/v0.3.6^2
Martin Kroeker GitHub 6 years ago
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      driver/others/dynamic.c

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driver/others/dynamic.c View File

@@ -332,6 +332,8 @@ int support_avx512(){
ret=0; //OS does not even support AVX2 ret=0; //OS does not even support AVX2
} }
if((ebx & (1<<31)) != 0){ if((ebx & (1<<31)) != 0){
xgetbv(0, &eax, &edx);
if((eax & 0xe0) == 0xe0)
ret=1; //OS supports AVX512VL ret=1; //OS supports AVX512VL
} }
return ret; return ret;


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