1 /* { dg-do run } */
2 /* { dg-options "-O3 -mpower8-vector" } */
3 /* { dg-require-effective-target lp64 } */
4 /* { dg-require-effective-target p8vector_hw } */
5
6 #define NO_WARN_X86_INTRINSICS 1
7 #ifndef CHECK_H
8 #define CHECK_H "mmx-check.h"
9 #endif
10
11 #ifndef TEST
12 #define TEST mmx_test
13 #endif
14
15 #include CHECK_H
16
17 #include <mmintrin.h>
18
19 static __m64
20 __attribute__((noinline, unused))
test(__m64 s1,__m64 s2)21 test (__m64 s1, __m64 s2)
22 {
23 return _mm_sub_pi32 (s1, s2);
24 }
25
26 static __m64
27 __attribute__((noinline, unused))
test_alias(__m64 s1,__m64 s2)28 test_alias (__m64 s1, __m64 s2)
29 {
30 return _m_psubd (s1, s2);
31 }
32
33 static void
TEST(void)34 TEST (void)
35 {
36 __m64_union u, s1, s2;
37 __m64_union e, v;
38 int i;
39
40 s1.as_m64 = _mm_setr_pi32 (30, 90);
41 s2.as_m64 = _mm_setr_pi32 (76, -100);
42 u.as_m64 = test (s1.as_m64, s2.as_m64);
43 v.as_m64 = test_alias (s1.as_m64, s2.as_m64);
44
45 for (i = 0; i < 2; i++)
46 e.as_int[i] = s1.as_int[i] - s2.as_int[i];
47
48 if (u.as_m64 != e.as_m64 || u.as_m64 != v.as_m64)
49 abort ();
50 }
51