gcc/testsuite/gcc.target/i386/avx2-vpmaskloadq256-2.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target avx2 } */
   3 /* { dg-options "-O2 -mavx2" } */
   4
   5 #include "avx2-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 avx2_test (void)
  15 {
  16   int i;
  17   long long m[4] = { mask_v (0), mask_v (1), mask_v (2), mask_v (3) };
  18   long long s[4] = { 1, 2, 3, 4 };
  19   union256i_q u, mask;
  20   long long e[4] = { 0 };
  21
  22   mask.x = _mm256_loadu_si256 ((__m256i *) m);
  23   u.x = _mm256_maskload_epi64 (s, mask.x);
  24
  25   for (i = 0; i < 4; i++)
  26     e[i] = m[i] ? s[i] : 0;
  27
  28   if (check_union256i_q (u, e))
  29     abort ();
  30 }