gcc/testsuite/gcc.target/i386/sse2-shufpd-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -msse2" } */
   3
   4 #ifndef CHECK_H
   5 #define CHECK_H "sse2-check.h"
   6 #endif
   7
   8 #ifndef TEST
   9 #define TEST sse2_test
  10 #endif
  11
  12 #define N 0xab
  13
  14 #include CHECK_H
  15
  16 #include <emmintrin.h>
  17
  18 static __m128d
  19 __attribute__((noinline, unused))
  20 test (__m128d s1, __m128d s2)
  21 {
  22   return _mm_shuffle_pd (s1, s2, N);
  23 }
  24
  25 static void
  26 TEST (void)
  27 {
  28   union128d u, s1, s2;
  29   double e[2] = {0.0};
  30
  31   s1.x = _mm_set_pd (2134.3343,1234.635654);
  32   s2.x = _mm_set_pd (453.345635,54646.464356);
  33   u.x = test (s1.x, s2.x);
  34
  35   e[0] = (N & (1 << 0)) ? s1.a[1] : s1.a[0];
  36   e[1] = (N & (1 << 1)) ? s2.a[1] : s2.a[0];
  37
  38   if (check_union128d(u, e))
  39     abort ();
  40 }