gcc/testsuite/gcc.target/i386/avx-set-v8sf-4.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target avx } */
   3 /* { dg-options "-O2 -mavx" } */
   4
   5 #include "avx-check.h"
   6
   7 static __m256
   8 __attribute__((noinline))
   9 foo (float x, int i)
  10 {
  11   switch (i)
  12     {
  13     case 7:
  14       return _mm256_set_ps (x, 0, 0, 0, 0, 0, 0, 0);
  15     case 6:
  16       return _mm256_set_ps (0, x, 0, 0, 0, 0, 0, 0);
  17     case 5:
  18       return _mm256_set_ps (0, 0, x, 0, 0, 0, 0, 0);
  19     case 4:
  20       return _mm256_set_ps (0, 0, 0, x, 0, 0, 0, 0);
  21     case 3:
  22       return _mm256_set_ps (0, 0, 0, 0, x, 0, 0, 0);
  23     case 2:
  24       return _mm256_set_ps (0, 0, 0, 0, 0, x, 0, 0);
  25     case 1:
  26       return _mm256_set_ps (0, 0, 0, 0, 0, 0, x, 0);
  27     case 0:
  28       return _mm256_set_ps (0, 0, 0, 0, 0, 0, 0, x);
  29     default:
  30       abort ();
  31     }
  32 }
  33
  34 static void
  35 avx_test (void)
  36 {
  37   float e = -3.234;
  38   float v[8];
  39   union256 u;
  40   int i, j;
  41
  42   for (i = 0; i < ARRAY_SIZE (v); i++)
  43     {
  44       for (j = 0; j < ARRAY_SIZE (v); j++)
  45         v[j] = 0;
  46       v[i] = e;
  47       u.x = foo (e, i);
  48       if (check_union256 (u, v))
  49         abort ();
  50     }
  51 }