gcc/testsuite/gcc.target/i386/sse2-set-epi32-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -msse2" } */
   3 /* { dg-require-effective-target sse2 } */
   4
   5 #include "sse2-check.h"
   6
   7 #ifdef DEBUG
   8 #include <stdio.h>
   9 #endif
  10
  11 #include <emmintrin.h>
  12
  13 static void
  14 __attribute__((noinline))
  15 test (unsigned int *v)
  16 {
  17   union
  18     {
  19       __m128i x;
  20       unsigned int i[4];
  21     } u;
  22   unsigned int i;
  23
  24   u.x = _mm_set_epi32 (v[3], v[2], v[1], v[0]);
  25
  26   for (i = 0; i < sizeof (u) / sizeof (v[0]); i++)
  27     if (v[i] != u.i[i])
  28       {
  29 #ifdef DEBUG
  30         printf ("%i: 0x%x != 0x%x\n", i, v[i], u.i[i]);
  31 #endif
  32         abort ();
  33       }
  34 }
  35
  36 static void
  37 sse2_test (void)
  38 {
  39   unsigned int v[4]
  40     = { 0x7B5B5465, 0x73745665, 0x63746F72, 0x5D53475D };
  41   test (v);
  42 }