1 /* { dg-do run } */
2 /* { dg-options "-O3 -mpower8-vector -Wno-psabi" } */
3 /* { dg-require-effective-target p8vector_hw } */
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 */
21 static void
ssse3_test_phaddsw(__m64 * i1,__m64 * i2,__m64 * r)22 ssse3_test_phaddsw (__m64 *i1, __m64 *i2, __m64 *r)
23 {
24 *r = _mm_hadds_pi16 (*i1, *i2);
25 _mm_empty ();
26 }
27 #endif
28
29 /* Test the 128-bit form */
30 static void
ssse3_test_phaddsw128(__m128i * i1,__m128i * i2,__m128i * r)31 ssse3_test_phaddsw128 (__m128i *i1, __m128i *i2, __m128i *r)
32 {
33 /* Assumes incoming pointers are 16-byte aligned */
34 *(__m128i *) r = _mm_hadds_epi16 (*i1, *i2);
35 }
36
37 static short
signed_saturate_to_word(int x)38 signed_saturate_to_word (int x)
39 {
40 if (x > (int) 0x7fff)
41 return 0x7fff;
42
43 if (x < (int) 0xffff8000)
44 return 0x8000;
45
46 return (short) x;
47 }
48
49 /* Routine to manually compute the results */
50 static void
compute_correct_result(short * i1,short * i2,short * r)51 compute_correct_result (short *i1, short *i2, short *r)
52 {
53 int i;
54
55 for (i = 0; i < 4; i++)
56 r[i + 0] = signed_saturate_to_word(i1[2 * i] + i1[2 * i + 1]);
57 for (i = 0; i < 4; i++)
58 r[i + 4] = signed_saturate_to_word(i2[2 * i] + i2[2 * i + 1]);
59 }
60
61 static void
TEST(void)62 TEST (void)
63 {
64 int i;
65 union data r __attribute__ ((aligned(16)));
66 union data ck;
67 int fail = 0;
68
69 for (i = 0; i < ARRAY_SIZE (vals) - 1; i++)
70 {
71 /* Manually compute the result */
72 compute_correct_result (&vals[i + 0].h[0], &vals[i + 1].h[0], &ck.h[0]);
73
74 #ifndef __AVX__
75 /* Run the 64-bit tests */
76 ssse3_test_phaddsw (&vals[i + 0].ll[0], &vals[i + 0].ll[1], &r.ll[0]);
77 ssse3_test_phaddsw (&vals[i + 1].ll[0], &vals[i + 1].ll[1], &r.ll[1]);
78 fail += chk_128 (ck.m[0], r.m[0]);
79 #endif
80
81 /* Run the 128-bit tests */
82 ssse3_test_phaddsw128 (&vals[i + 0].m[0], &vals[i + 1].m[0], &r.m[0]);
83 fail += chk_128 (ck.m[0], r.m[0]);
84 }
85
86 if (fail != 0)
87 abort ();
88 }
89