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
   5 #ifndef CHECK_H
   6 #define CHECK_H "sse4_1-check.h"
   7 #endif
   8
   9 #ifndef TEST
  10 #define TEST sse4_1_test
  11 #endif
  12
  13 #include CHECK_H
  14
  15 #include <smmintrin.h>
  16
  17 #define iRoundMode 0x2
  18
  19 static void
  20 TEST (void)
  21 {
  22   union128d u, s;
  23   double e[2] = {0.0};
  24   int i;
  25
  26   s.x = _mm_set_pd (1.1234, -2.3478);
  27   u.x = _mm_round_pd (s.x, iRoundMode);
  28
  29   for (i = 0; i < 2; i++)
  30     {
  31       __m128d tmp = _mm_load_sd (&s.a[i]);
  32       tmp = _mm_round_sd (tmp, tmp, iRoundMode);
  33       _mm_store_sd (&e[i], tmp);
  34     }
  35
  36   if (check_union128d (u, e))
  37     abort ();
  38 }