gcc/testsuite/gcc.target/i386/sse2-psrlw-2.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 #include CHECK_H
  14
  15 #include <emmintrin.h>
  16
  17 static __m128i
  18 __attribute__((noinline, unused))
  19 test (__m128i s1, __m128i c)
  20 {
  21   return _mm_srl_epi16 (s1, c);
  22 }
  23
  24 static void
  25 TEST (void)
  26 {
  27   union128i_w u, s;
  28   union128i_q c;
  29   short e[8] = {0};
  30   unsigned short tmp;
  31   int i;
  32
  33   s.x = _mm_set_epi16 (1, -2, 3, 4, 5, 6, -0x7000, 0x9000);
  34   c.x = _mm_set_epi64x (12, 13);
  35
  36   u.x = test (s.x, c.x);
  37
  38   if (c.a[0] < 16)
  39     for (i = 0; i < 8; i++)
  40       {
  41         tmp = s.a[i];
  42         e[i] = tmp >> c.a[0];
  43       }
  44
  45   if (check_union128i_w (u, e))
  46     abort ();
  47 }