gcc/testsuite/gcc.target/i386/avx-vzeroupper-16.c

   1 /* { dg-do compile { target lp64 } } */
   2 /* { dg-options "-O2 -mavx -mabi=ms -dp" } */
   3
   4 typedef float __m256 __attribute__ ((__vector_size__ (32), __may_alias__));
   5
   6 extern __m256 x;
   7
   8 extern __m256 __attribute__ ((sysv_abi)) bar (__m256);
   9
  10 void
  11 foo (void)
  12 {
  13   bar (x);
  14 }
  15
  16 /* { dg-final { scan-assembler-times "avx_vzeroupper" 1 } } */