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

   1 /* { dg-do run { target i?86-*-* x86_64-*-* } } */
   2 /* { dg-options "-O2 -msse2" } */
   3
   4 #include "sse2-check.h"
   5
   6 #include <emmintrin.h>
   7
   8 #define msk0   0
   9 #define msk1   1
  10
  11 static void
  12 sse2_test (void)
  13 {
  14   union
  15     {
  16       __m128d x;
  17       double d[2];
  18     } val1;
  19   double res[2];
  20   int masks[2];
  21   int i;
  22
  23   val1.d[0] = 23.;
  24   val1.d[1] = 45;
  25
  26   res[0] = __builtin_ia32_vec_ext_v2df ((__v2df)val1.x, msk0);
  27   res[1] = __builtin_ia32_vec_ext_v2df ((__v2df)val1.x, msk1);
  28
  29   masks[0] = msk0;
  30   masks[1] = msk1;
  31
  32   for (i = 0; i < 2; i++)
  33     if (res[i] != val1.d [masks[i]])
  34       abort ();
  35 }