fix avx512f flag (#14041)

6 years ago · d277a2e6ef
parent 8d930195d9
commit d277a2e6ef
1 changed files with 3 additions and 1 deletions
--- a/cmake/simd.cmake
+++ b/cmake/simd.cmake
@ -89,7 +89,9 @@ CHECK_CXX_SOURCE_RUNS("
 #include <immintrin.h>
 int main()
 {
-    __m512i a = _mm512_undefined_epi32();
+    __m512i a = _mm512_set_epi32 (-1, 2, -3, 4, -1, 2, -3, 4,
+                                  13, -5, 6, -7, 9, 2, -6, 3);
+    __m512i result = _mm512_abs_epi32 (a);
    return 0;
 }" AVX512F_FOUND)