gcc/testsuite/gcc.target/i386/sse2-pshufhw-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_shufflehi_epi16 (s1, N);
  24 }
  25
  26 static void
  27 TEST (void)
  28 {
  29   union128i_q s1;
  30   union128i_w u;
  31   short  e[8] = {0};
  32   int i;
  33   int m1[4] = {0x3, 0x3<<2, 0x3<<4, 0x3<<6};
  34   int m2[4];
  35
  36   s1.x = _mm_set_epi64x (0xabcde,0xef58a234);
  37   u.x = test (s1.x);
  38
  39   for (i = 0; i < 4; i++)
  40     e[i] = (s1.a[0]>>(16 * i)) & 0xffff;
  41
  42   for (i = 0; i < 4; i++)
  43     m2[i] = (N & m1[i])>>(2*i);
  44
  45   for (i = 0; i < 4; i++)
  46     e[i+4] = (s1.a[1] >> (16 * m2[i])) & 0xffff;
  47
  48   if (check_union128i_w(u, e))
  49     abort ();
  50 }