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 #include "ssse3-vals.h"
15
16 #include <tmmintrin.h>
17
18 #ifndef __AVX__
19 /* Test the 64-bit form */
20 static void
ssse3_test_phsubw(__m64 * i1,__m64 * i2,__m64 * r)21 ssse3_test_phsubw (__m64 *i1, __m64 *i2, __m64 *r)
22 {
23 *(__m64 *) r = _mm_hsub_pi16 (*i1, *i2);
24 _mm_empty ();
25 }
26 #endif
27
28 /* Test the 128-bit form */
29 static void
ssse3_test_phsubw128(__m128i * i1,__m128i * i2,__m128i * r)30 ssse3_test_phsubw128 (__m128i *i1, __m128i *i2, __m128i *r)
31 {
32 /* Assumes incoming pointers are 16-byte aligned */
33 *(__m128i *) r = _mm_hsub_epi16 (*i1, *i2);
34 }
35
36 /* Routine to manually compute the results */
37 static void
compute_correct_result(short * i1,short * i2,short * r)38 compute_correct_result (short *i1, short *i2, short *r)
39 {
40 int i;
41
42 for (i = 0; i < 4; i++)
43 r[i] = i1[2 * i] - i1[2 * i + 1];
44 for (i = 0; i < 4; i++)
45 r[i + 4] = i2[2 * i] - i2[2 * i + 1];
46 }
47
48 static void
TEST(void)49 TEST (void)
50 {
51 int i;
52 union data r __attribute__ ((aligned(16)));
53 union data ck;
54 int fail = 0;
55
56 for (i = 0; i < ARRAY_SIZE (vals) - 1; i++)
57 {
58 /* Manually compute the result */
59 compute_correct_result (&vals[i + 0].h[0], &vals[i + 1].h[0], &ck.h[0]);
60
61 #ifndef __AVX__
62 /* Run the 64-bit tests */
63 ssse3_test_phsubw (&vals[i + 0].ll[0], &vals[i + 0].ll[1], &r.ll[0]);
64 ssse3_test_phsubw (&vals[i + 1].ll[0], &vals[i + 1].ll[1], &r.ll[1]);
65 fail += chk_128 (ck.m[0], r.m[0]);
66 #endif
67
68 /* Run the 128-bit tests */
69 ssse3_test_phsubw128 (&vals[i + 0].m[0], &vals[i + 1].m[0], &r.m[0]);
70 fail += chk_128 (ck.m[0], r.m[0]);
71 }
72
73 if (fail != 0)
74 abort ();
75 }
76