1 /* { dg-do run } */
2 /* { dg-options "-O3 -mpower8-vector" } */
3 /* { dg-require-effective-target p8vector_hw } */
4
5 #define NO_WARN_X86_INTRINSICS 1
6 #ifndef CHECK_H
7 #define CHECK_H "mmx-check.h"
8 #endif
9
10 #ifndef TEST
11 #define TEST mmx_test
12 #endif
13
14 #include CHECK_H
15
16 #include <mmintrin.h>
17
18 static __m64
19 __attribute__((noinline, unused))
test(__m64 s1,__m64 s2)20 test (__m64 s1, __m64 s2)
21 {
22 return _mm_subs_pu16 (s1, s2);
23 }
24
25 static void
TEST(void)26 TEST (void)
27 {
28 __m64_union u, s1, s2;
29 __m64_union e;
30 int i, tmp;
31
32 s1.as_m64 = _mm_set_pi16 (10, 20, 30, 40);
33 s2.as_m64 = _mm_set_pi16 (11, 98, 76, 100);
34 u.as_m64 = test (s1.as_m64, s2.as_m64);
35
36 for (i = 0; i < 4; i++)
37 {
38 tmp = (unsigned short)s1.as_short[i] - (unsigned short)s2.as_short[i];
39
40 if (tmp > 65535)
41 tmp = -1;
42
43 if (tmp < 0)
44 tmp = 0;
45
46 e.as_short[i] = tmp;
47 }
48
49 if (u.as_m64 != e.as_m64)
50 abort ();
51 }
52