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

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -msse2" } */
   3 /* { dg-require-effective-target sse2 } */
   4
   5 #ifndef CHECK_H
   6 #define CHECK_H "sse2-check.h"
   7 #endif
   8
   9 #ifndef TEST
  10 #define TEST sse2_test
  11 #endif
  12
  13 #define N 0xab
  14
  15 #include CHECK_H
  16
  17 #include <emmintrin.h>
  18
  19 static __m128d
  20 __attribute__((noinline, unused))
  21 test (__m128d s1, __m128d s2)
  22 {
  23   return _mm_shuffle_pd (s1, s2, N);
  24 }
  25
  26 static void
  27 TEST (void)
  28 {
  29   union128d u, s1, s2;
  30   double e[2] = {0.0};
  31
  32   s1.x = _mm_set_pd (2134.3343,1234.635654);
  33   s2.x = _mm_set_pd (453.345635,54646.464356);
  34   u.x = test (s1.x, s2.x);
  35
  36   e[0] = (N & (1 << 0)) ? s1.a[1] : s1.a[0];
  37   e[1] = (N & (1 << 1)) ? s2.a[1] : s2.a[0];
  38
  39   if (check_union128d(u, e))
  40     abort ();
  41 }