gcc/testsuite/gcc.target/i386/sse2-psrlw-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 0xb
  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_srli_epi16 (s1, N);
  24 }
  25
  26 static void
  27 TEST (void)
  28 {
  29   union128i_w u, s;
  30   short e[8] = {0};
  31   unsigned short tmp;
  32   int i;
  33
  34   s.x = _mm_set_epi16 (1, -2, 3, -4, 5, 6, 0x7000, 0x9000);
  35
  36   u.x = test (s.x);
  37
  38   if (N < 16)
  39     for (i = 0; i < 8; i++)
  40       {
  41         tmp = s.a[i];
  42         e[i] = tmp >> N;
  43       }
  44
  45   if (check_union128i_w (u, e))
  46     abort ();
  47 }