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#ifndef __AVX__
20/* Test the 64-bit form */
21static void
22ssse3_test_pmulhrsw (int *i1, int *i2, int *r)
23{
24  __m64 t1 = *(__m64 *) i1;
25  __m64 t2 = *(__m64 *) i2;
26  *(__m64 *) r = _mm_mulhrs_pi16 (t1, t2);
27  _mm_empty ();
28}
29#endif
30
31/* Test the 128-bit form */
32static void
33ssse3_test_pmulhrsw128 (int *i1, int *i2, int *r)
34{
35  /* Assumes incoming pointers are 16-byte aligned */
36  __m128i t1 = *(__m128i *) i1;
37  __m128i t2 = *(__m128i *) i2;
38  *(__m128i *) r = _mm_mulhrs_epi16 (t1, t2);
39}
40
41/* Routine to manually compute the results */
42static void
43compute_correct_result (int *i1, int *i2, int *r)
44{
45  short *s1 = (short *) i1;
46  short *s2 = (short *) i2;
47  short *sout = (short *) r;
48  int t0;
49  int i;
50
51  for (i = 0; i < 8; i++)
52    {
53      t0 = (((int) s1[i] * (int) s2[i]) >> 14) + 1;
54      sout[i] = (short) (t0 >> 1);
55    }
56}
57
58static void
59TEST (void)
60{
61  int i;
62  int r [4] __attribute__ ((aligned(16)));
63  int ck [4];
64  int fail = 0;
65
66  for (i = 0; i < 256; i += 8)
67    {
68      /* Manually compute the result */
69      compute_correct_result (&vals[i + 0], &vals[i + 4], ck);
70
71#ifndef __AVX__
72      /* Run the 64-bit tests */
73      ssse3_test_pmulhrsw (&vals[i + 0], &vals[i + 4], &r[0]);
74      ssse3_test_pmulhrsw (&vals[i + 2], &vals[i + 6], &r[2]);
75      fail += chk_128 (ck, r);
76#endif
77
78      /* Run the 128-bit tests */
79      ssse3_test_pmulhrsw128 (&vals[i + 0], &vals[i + 4], r);
80      fail += chk_128 (ck, r);
81    }
82
83  if (fail != 0)
84    abort ();
85}
86