gcc/testsuite/gcc.target/i386/sse2-pshufd-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 0xec
  14
  15 #include CHECK_H
  16
  17 #include <emmintrin.h>
  18
  19 static __m128i
  20 __attribute__((noinline, unused))
  21 test (__m128i s1)
  22 {
  23   return _mm_shuffle_epi32 (s1, N);
  24 }
  25
  26 static void
  27 TEST (void)
  28 {
  29   union128i_d u, s1;
  30   int e[4] = {0};
  31   int i;
  32
  33   s1.x = _mm_set_epi32 (16,15,14,13);
  34   u.x = test (s1.x);
  35
  36   for (i = 0; i < 4; i++)
  37     e[i] = s1.a[((N & (0x3<<(2*i)))>>(2*i))];
  38
  39   if (check_union128i_d(u, e))
  40     abort ();
  41 }