gcc/testsuite/gcc.target/i386/pr46253.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -g -mf16c -mtune=generic -dp" } */
   3
   4 typedef int __m256i __attribute__ ((__vector_size__ (32)));
   5
   6 __m256i bar (void);
   7 void foo (void)
   8 {
   9   unsigned int i = 0;
  10   bar ();
  11   __builtin_ia32_vzeroupper ();
  12   while (++i);
  13 }
  14
  15 /* { dg-final { scan-assembler-times "avx_vzeroupper" 1 } } */