gcc/testsuite/gcc.target/i386/avx-vzeroupper-9.c

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