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Fix AVX512 capability test (always returning zero) 

from #2322
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Martin Kroeker 2019-11-23 22:38:07 +01:00 committed by GitHub
parent 04226f1e97
commit f95989cbc1
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1 changed files with 1 additions and 1 deletions
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driver/others/dynamic.c
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@ -329,7 +329,7 @@ int support_avx512(){
if (!support_avx()) if (!support_avx())
return 0; return 0;
cpuid(7, &eax, &ebx, &ecx, &edx); cpuid(7, &eax, &ebx, &ecx, &edx);
if((ebx & (1<<7)) != 1){ if((ebx & (1<<7)) == 0){
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){