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_phaddsw (int *i1, int *i2, int *r)
23{
24  __m64 t1 = *(__m64 *) i1;
25  __m64 t2 = *(__m64 *) i2;
26  *(__m64 *) r = _mm_hadds_pi16 (t1, t2);
27  _mm_empty ();
28}
29#endif
30
31/* Test the 128-bit form */
32static void
33ssse3_test_phaddsw128 (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_hadds_epi16 (t1, t2);
39}
40
41static short
42signed_saturate_to_word (int x)
43{
44  if (x > (int) 0x7fff)
45    return 0x7fff;
46
47  if (x < (int) 0xffff8000)
48    return 0x8000;
49
50  return (short) x;
51}
52
53/* Routine to manually compute the results */
54static void
55compute_correct_result (int *i1, int *i2, int *r)
56{
57  short *s1 = (short *) i1;
58  short *s2 = (short *) i2;
59  short *sout = (short *) r;
60  int i;
61
62  for (i = 0; i < 4; i++)
63    sout[i] = signed_saturate_to_word(s1[2 * i] + s1[2 * i + 1]);
64  for (i = 0; i < 4; i++)
65    sout[i + 4] = signed_saturate_to_word(s2[2 * i] + s2[2 * i + 1]);
66}
67
68static void
69TEST (void)
70{
71  int i;
72  int r [4] __attribute__ ((aligned(16)));
73  int ck [4];
74  int fail = 0;
75
76  for (i = 0; i < 256; i += 8)
77    {
78      /* Manually compute the result */
79      compute_correct_result (&vals[i + 0], &vals[i + 4], ck);
80
81#ifndef __AVX__
82      /* Run the 64-bit tests */
83      ssse3_test_phaddsw (&vals[i + 0], &vals[i + 2], &r[0]);
84      ssse3_test_phaddsw (&vals[i + 4], &vals[i + 6], &r[2]);
85      fail += chk_128 (ck, r);
86#endif
87
88      /* Run the 128-bit tests */
89      ssse3_test_phaddsw128 (&vals[i + 0], &vals[i + 4], r);
90      fail += chk_128 (ck, r);
91    }
92
93  if (fail != 0)
94    abort ();
95}
96