gcc/testsuite/gcc.target/i386/avx-vmaskmovpd-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 7
   9 #endif
  10
  11 #define mask_v(pos) (((MASK & (0x1ULL << (pos))) >> (pos)) << 63)
  12
  13 void static
  14 avx_test (void)
  15 {
  16   int i;
  17   long long m[8] = {mask_v(0), mask_v(1), mask_v(2), mask_v(3)};
  18   double s[4] = {1.1, 2.2, 3.3, 4.4};
  19   union256d u, mask;
  20   double e [4] = {0.0};
  21
  22   mask.x = _mm256_loadu_pd ((double*)m);
  23   u.x = _mm256_maskload_pd (s, mask.x);
  24
  25   for (i = 0 ; i < 4; i++)
  26     e[i] = m[i] ? s[i] : 0;
  27
  28   if (check_union256d (u, e))
  29     abort ();
  30 }