Fix AVX512 capability test (always returning zero)

from #2322
2019-11-23 22:38:07 +01:00
parent 04226f1e97
commit f95989cbc1
1 changed files with 1 additions and 1 deletions
--- a/driver/others/dynamic.c
+++ b/driver/others/dynamic.c
@@ -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){