gcc/testsuite/gcc.target/i386/avx-vroundpd-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 #define iRoundMode 0x7
   8
   9 void static
  10 avx_test (void)
  11 {
  12   union256d u, s1;
  13   double source [4] = {2134.3343,1234.635654,453.345635,54646.464356};
  14   double e[4] = {0.0};
  15   int i;
  16
  17   s1.x = _mm256_loadu_pd (source);
  18   u.x = _mm256_round_pd (s1.x, iRoundMode);
  19
  20   for (i = 0; i < 4; i++)
  21     {
  22       __m128d tmp = _mm_load_sd (&s1.a[i]);
  23       tmp = _mm_round_sd (tmp, tmp, iRoundMode);
  24       _mm_store_sd (&e[i], tmp);
  25     }
  26
  27   if (check_union256d (u, e))
  28     abort ();
  29 }