1 /* { dg-do run } */
2 /* { dg-options "-O2 -fno-strict-aliasing -msse2" } */
3 /* { dg-additional-options "-mno-mmx" { target { ! ia32 } } } */
4
5 #include "sse2-check.h"
6 #include "mmx-vals.h"
7
8 __attribute__((noinline, noclone))
9 static void
test_pmuludq(long long * ll1,long long * ll2,long long * r)10 test_pmuludq (long long *ll1, long long *ll2, long long *r)
11 {
12 __m64 t1 = *(__m64 *) ll1;
13 __m64 t2 = *(__m64 *) ll2;
14 *(__m64 *) r = _mm_mul_su32 (t1, t2);
15 }
16
17 /* Routine to manually compute the results */
18 static void
compute_correct_result(long long * dst_p,long long * src_p,long long * res_p)19 compute_correct_result (long long *dst_p, long long *src_p,
20 long long *res_p)
21 {
22 unsigned int *dst = (unsigned int*) dst_p;
23 unsigned int *src = (unsigned int *) src_p;
24 unsigned long long *res = (unsigned long long *) res_p;
25 res[0] = dst[0];
26 res[0] *= src[0];
27 }
28
29 static void
sse2_test(void)30 sse2_test (void)
31 {
32 int i;
33 long long r, ck;
34 int fail = 0;
35
36 /* Run the MMX tests */
37 for (i = 0; i < MMX_num_ops; i += 2)
38 {
39 test_pmuludq (&MMXops[i], &MMXops[i + 1], &r);
40 compute_correct_result (&MMXops[i], &MMXops[i + 1], &ck);
41 if (ck != r)
42 fail++;
43 }
44
45 if (fail != 0)
46 abort ();
47 }
48