gcc/testsuite/gcc.target/i386/avx-vhaddps-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   union256 u, s1, s2;
  11   float e [8];
  12
  13   s1.x = _mm256_set_ps (24.43, 68.346, 43.35, 546.46, 46.79, 82.78, 82.7, 9.4);
  14   s2.x = _mm256_set_ps (1.17, 2.16, 3.15, 4.14, 5.13, 6.12, 7.11, 8.9);
  15   u.x = _mm256_hadd_ps (s1.x, s2.x);
  16
  17   e[0] = s1.a[0] + s1.a[1];
  18   e[1] = s1.a[2] + s1.a[3];
  19   e[2] = s2.a[0] + s2.a[1];
  20   e[3] = s2.a[2] + s2.a[3];
  21   e[4] = s1.a[4] + s1.a[5];
  22   e[5] = s1.a[6] + s1.a[7];
  23   e[6] = s2.a[4] + s2.a[5];
  24   e[7] = s2.a[6] + s2.a[7];
  25
  26   if (check_union256 (u, e))
  27     abort ();
  28 }