gcc/testsuite/gcc.target/i386/avx-vaddsubps-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, s2;
  12   float e [8];
  13
  14   s1.x = _mm256_set_ps (24.43, 68.346, 43.35, 546.46, 46.79, 82.78, 82.7, 9.4);
  15   s2.x = _mm256_set_ps (1.17, 2.16, 3.15, 4.14, 5.13, 6.12, 7.11, 8.9);
  16   u.x = _mm256_addsub_ps (s1.x, s2.x);
  17
  18   for (i = 0; i < 8; i++)
  19     if (i % 2)
  20       e[i] = s1.a[i] + s2.a[i];
  21     else
  22       e[i] = s1.a[i] - s2.a[i];
  23
  24   if (check_union256 (u, e))
  25     abort ();
  26 }