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))
test(__m128i s1,__m128i s2)19 test (__m128i s1, __m128i s2)
20 {
21 return _mm_sad_epu8 (s1, s2);
22 }
23
24 static void
TEST(void)25 TEST (void)
26 {
27 union128i_ub s1, s2;
28 union128i_w u;
29 short e[8] = {0};
30 unsigned char tmp[16];
31 int i;
32
33 s1.x = _mm_set_epi8 (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16);
34 s2.x = _mm_set_epi8 (16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1);
35 u.x = test (s1.x, s2.x);
36
37 for (i = 0; i < 16; i++)
38 tmp [i] = __builtin_abs (s1.a[i] - s2.a[i]);
39
40 for (i = 0; i < 8; i++)
41 e[0] += tmp[i];
42
43 for (i = 8; i < 16; i++)
44 e[4] += tmp[i];
45
46
47 if (check_union128i_w (u, e))
48 abort ();
49 }
50