gcc/testsuite/gcc.target/i386/sse2-pavgb-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -msse2" } */
   3
   4 #ifndef CHECK_H
   5 #define CHECK_H "sse2-check.h"
   6 #endif
   7
   8 #ifndef TEST
   9 #define TEST sse2_test
  10 #endif
  11
  12 #include CHECK_H
  13
  14 #include <emmintrin.h>
  15
  16 static __m128i
  17 __attribute__((noinline, unused))
  18 test (__m128i s1, __m128i s2)
  19 {
  20   return _mm_avg_epu8 (s1, s2);
  21 }
  22
  23 static void
  24 TEST (void)
  25 {
  26   union128i_ub u, s1, s2;
  27   unsigned char e[16];
  28   int i;
  29
  30   s1.x = _mm_set_epi8 (1,2,3,4,10,20,30,90,80,40,100,15,98, 25, 98,7);
  31   s2.x = _mm_set_epi8 (88, 44, 33, 22, 11, 98, 76, 100, 34, 78, 39, 6, 3, 4, 5, 119);
  32   u.x = test (s1.x, s2.x);
  33
  34   for (i = 0; i < 16; i++)
  35      e[i] = (s1.a[i] + s2.a[i]+1)>>1;
  36
  37   if (check_union128i_ub (u, e))
  38     abort ();
  39 }