gcc/testsuite/gcc.target/i386/avx-vblendvps-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 MASK
   8 #define MASK 214
   9 #endif
  10
  11 #define mask_v(pos) (((MASK >> (pos)) & 1U) << 31)
  12
  13 void static
  14 avx_test (void)
  15 {
  16   int i;
  17   union256 u, mask, s1, s2;
  18   int m[8]={mask_v(0), mask_v(1), mask_v(2), mask_v(3),
  19             mask_v(4), mask_v(5), mask_v(6), mask_v(7)};
  20   float e [8];
  21
  22   s1.x = _mm256_set_ps (34545, 95567, 23443, 5675, 2323, 67, 2345, 45667);
  23   s2.x = _mm256_set_ps (674, 57897, 93459, 45624, 54674, 1237, 67436, 79608);
  24   mask.x = _mm256_loadu_ps ((float *)m);
  25
  26   u.x = _mm256_blendv_ps (s1.x, s2.x, mask.x);
  27
  28   for (i = 0; i < 8; i++)
  29     e[i] = (m[i] & (1ULL << 31)) ? s2.a[i] : s1.a[i];
  30
  31   if (check_union256 (u, e))
  32     abort ();
  33 }