gcc/testsuite/gcc.target/i386/avx-vinsertf128-256-1.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target avx } */
   3 /* { dg-options "-O2 -mavx" } */
   4
   5 #include "avx-check.h"
   6
   7 #ifndef OFFSET
   8 #define OFFSET 1
   9 #endif
  10
  11 #if OFFSET < 0 || OFFSET > 1
  12 #error OFFSET must be within [0..1]
  13 #endif
  14
  15 void static
  16 avx_test (void)
  17 {
  18   int i;
  19   union256d u, s1;
  20   union128d s2;
  21   double e [4];
  22
  23   s1.x = _mm256_set_pd (2134.3343,1234.635654,453.345635,54646.464356);
  24   s2.x = _mm_set_pd (68543.731254, 3452.578238);
  25   u.x = _mm256_insertf128_pd (s1.x, s2.x, OFFSET);
  26
  27   for (i = 0; i < 4; i++)
  28     e[i] = s1.a[i];
  29
  30   for (i=0; i < 2; i++)
  31     e[i + (OFFSET * 2)] = s2.a[i];
  32
  33   if (check_union256d (u, e))
  34     abort ();
  35 }