1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
/* { dg-do compile } */ /* { dg-options "-O0 -mavx -mvzeroupper -dp" } */ #include <immintrin.h> extern __m256 x, y; void foo () { _mm256_zeroall (); _mm256_zeroupper (); x = y; _mm256_zeroupper (); _mm256_zeroupper (); _mm256_zeroupper (); } /* { dg-final { scan-assembler-times "avx_vzeroupper" 1 } } */ /* { dg-final { scan-assembler-times "\\*avx_vzeroall" 1 } } */