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

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -msse2" } */
   3 /* { dg-require-effective-target sse2 } */
   4
   5 #include "sse2-check.h"
   6
   7 #include <emmintrin.h>
   8
   9 #define msk0   0
  10 #define msk1   1
  11
  12 static void
  13 sse2_test (void)
  14 {
  15   union
  16     {
  17       __m128d x;
  18       double d[2];
  19     } val1;
  20   double res[2];
  21   int masks[2];
  22   int i;
  23
  24   val1.d[0] = 23.;
  25   val1.d[1] = 45;
  26
  27   res[0] = __builtin_ia32_vec_ext_v2df ((__v2df)val1.x, msk0);
  28   res[1] = __builtin_ia32_vec_ext_v2df ((__v2df)val1.x, msk1);
  29
  30   masks[0] = msk0;
  31   masks[1] = msk1;
  32
  33   for (i = 0; i < 2; i++)
  34     if (res[i] != val1.d [masks[i]])
  35       abort ();
  36 }