Fix AVX512 capability test (always returning zero)
from
@@ -329,7 +329,7 @@ int support_avx512(){
if (!support_avx())
return 0;
cpuid(7, &eax, &ebx, &ecx, &edx);
- if((ebx & (1<<7)) != 1){
+ if((ebx & (1<<7)) == 0){
ret=0; //OS does not even support AVX2
}
if((ebx & (1<<31)) != 0){
