gcc/testsuite/gcc.target/i386/avx-vmovshdup-256-1.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target avx } */
   3 /* { dg-options "-O2 -mavx" } */
   4
   5 #include "avx-check.h"
   6
   7 void static
   8 avx_test (void)
   9 {
  10   int i;
  11   union256 u, s1;
  12   float e[8];
  13
  14   s1.x = _mm256_set_ps (134.3, 1234.54, 45.335, 646.456, 43.54, 473.34, 78, 89.54);
  15   u.x = _mm256_movehdup_ps (s1.x);
  16
  17   for (i = 0; i < 4; i++)
  18     e[2*i] = e[2*i+1] = s1.a[2*i+1];
  19
  20   if (check_union256 (u, e))
  21     abort ();
  22 }