gcc/testsuite/gcc.target/i386/sse4_1-roundpd-1.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target sse4 } */
   3 /* { dg-options "-O2 -msse4.1" } */
   4 /* { dg-skip-if "no M_PI" { vxworks_kernel } } */
   5
   6 #ifndef CHECK_H
   7 #define CHECK_H "sse4_1-check.h"
   8 #endif
   9
  10 #ifndef TEST
  11 #define TEST sse4_1_test
  12 #endif
  13
  14 #include CHECK_H
  15
  16 #include <smmintrin.h>
  17
  18 #define iRoundMode 0x2
  19
  20 static void
  21 TEST (void)
  22 {
  23   union128d u, s;
  24   double e[2] = {0.0};
  25   int i;
  26
  27   s.x = _mm_set_pd (1.1234, -2.3478);
  28   u.x = _mm_round_pd (s.x, iRoundMode);
  29
  30   for (i = 0; i < 2; i++)
  31     {
  32       __m128d tmp = _mm_load_sd (&s.a[i]);
  33       tmp = _mm_round_sd (tmp, tmp, iRoundMode);
  34       _mm_store_sd (&e[i], tmp);
  35     }
  36
  37   if (check_union128d (u, e))
  38     abort ();
  39 }