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_phsubd(__m64 * i1,__m64 * i2,__m64 * r)22 ssse3_test_phsubd (__m64 *i1, __m64 *i2, __m64 *r)
23 {
24 *r = _mm_hsub_pi32 (*i1, *i2);
25 _mm_empty ();
26 }
27 #endif
28
29 /* Test the 128-bit form */
30 static void
ssse3_test_phsubd128(__m128i * i1,__m128i * i2,__m128i * r)31 ssse3_test_phsubd128 (__m128i *i1, __m128i *i2, __m128i *r)
32 {
33 /* Assumes incoming pointers are 16-byte aligned */
34 *(__m128i *) r = _mm_hsub_epi32 (*i1, *i2);
35 }
36
37 /* Routine to manually compute the results */
38 static void
compute_correct_result(int * i1,int * i2,int * r)39 compute_correct_result (int *i1, int *i2, int *r)
40 {
41 int i;
42
43 for (i = 0; i < 2; i++)
44 r[i] = i1[2 * i] - i1[2 * i + 1];
45 for (i = 0; i < 2; i++)
46 r[i + 2] = i2[2 * i] - i2[2 * i + 1];
47 }
48
49 static void
TEST(void)50 TEST (void)
51 {
52 int i;
53 union data r __attribute__ ((aligned(16)));
54 union data ck;
55 int fail = 0;
56
57 for (i = 0; i < ARRAY_SIZE (vals) - 1; i++)
58 {
59 /* Manually compute the result */
60 compute_correct_result (&vals[i + 0].w[0], &vals[i + 1].w[0], &ck.w[0]);
61
62 #ifndef __AVX__
63 /* Run the 64-bit tests */
64 ssse3_test_phsubd (&vals[i + 0].ll[0], &vals[i + 0].ll[1], &r.ll[0]);
65 ssse3_test_phsubd (&vals[i + 1].ll[0], &vals[i + 1].ll[1], &r.ll[1]);
66 fail += chk_128 (ck.m[0], r.m[0]);
67 #endif
68
69 /* Run the 128-bit tests */
70 ssse3_test_phsubd128 (&vals[i + 0].m[0], &vals[i + 1].m[0], &r.m[0]);
71 fail += chk_128 (ck.m[0], r.m[0]);
72 }
73
74 if (fail != 0)
75 abort ();
76 }
77