1 /* { dg-do run } */
2 /* { dg-require-effective-target ssse3 } */
3 /* { dg-options "-O2 -fno-strict-aliasing -mssse3" } */
4
5 #ifndef CHECK_H
6 #define CHECK_H "ssse3-check.h"
7 #endif
8
9 #ifndef TEST
10 #define TEST ssse3_test
11 #endif
12
13 #include CHECK_H
14
15 #include "ssse3-vals.h"
16
17 #include <tmmintrin.h>
18
19 /* Test the 64-bit form */
20 static void
ssse3_test_pmulhrsw(int * i1,int * i2,int * r)21 ssse3_test_pmulhrsw (int *i1, int *i2, int *r)
22 {
23 __m64 t1 = *(__m64 *) i1;
24 __m64 t2 = *(__m64 *) i2;
25 *(__m64 *) r = _mm_mulhrs_pi16 (t1, t2);
26 _mm_empty ();
27 }
28
29 /* Test the 128-bit form */
30 static void
ssse3_test_pmulhrsw128(int * i1,int * i2,int * r)31 ssse3_test_pmulhrsw128 (int *i1, int *i2, int *r)
32 {
33 /* Assumes incoming pointers are 16-byte aligned */
34 __m128i t1 = *(__m128i *) i1;
35 __m128i t2 = *(__m128i *) i2;
36 *(__m128i *) r = _mm_mulhrs_epi16 (t1, t2);
37 }
38
39 /* Routine to manually compute the results */
40 static void
compute_correct_result(int * i1,int * i2,int * r)41 compute_correct_result (int *i1, int *i2, int *r)
42 {
43 short *s1 = (short *) i1;
44 short *s2 = (short *) i2;
45 short *sout = (short *) r;
46 int t0;
47 int i;
48
49 for (i = 0; i < 8; i++)
50 {
51 t0 = (((int) s1[i] * (int) s2[i]) >> 14) + 1;
52 sout[i] = (short) (t0 >> 1);
53 }
54 }
55
56 static void
TEST(void)57 TEST (void)
58 {
59 int i;
60 int r [4] __attribute__ ((aligned(16)));
61 int ck [4];
62 int fail = 0;
63
64 for (i = 0; i < 256; i += 8)
65 {
66 /* Manually compute the result */
67 compute_correct_result (&vals[i + 0], &vals[i + 4], ck);
68
69 /* Run the 64-bit tests */
70 ssse3_test_pmulhrsw (&vals[i + 0], &vals[i + 4], &r[0]);
71 ssse3_test_pmulhrsw (&vals[i + 2], &vals[i + 6], &r[2]);
72 fail += chk_128 (ck, r);
73
74 /* Run the 128-bit tests */
75 ssse3_test_pmulhrsw128 (&vals[i + 0], &vals[i + 4], r);
76 fail += chk_128 (ck, r);
77 }
78
79 if (fail != 0)
80 abort ();
81 }
82