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 /* Test the 64-bit form */
20 static void
ssse3_test_phaddw(int * i1,int * i2,int * r)21 ssse3_test_phaddw (int *i1, int *i2, int *r)
22 {
23 __m64 t1 = *(__m64 *) i1;
24 __m64 t2 = *(__m64 *) i2;
25 *(__m64 *) r = _mm_hadd_pi16 (t1, t2);
26 _mm_empty ();
27 }
28
29 /* Test the 128-bit form */
30 static void
ssse3_test_phaddw128(int * i1,int * i2,int * r)31 ssse3_test_phaddw128 (int *i1, int *i2, int *r)
32 {
33 /* Assumes incoming pointers are 16-byte aligned */
34 __m128i t1 = *(__m128i *) i1;
35 __m128i t2 = *(__m128i *) i2;
36 *(__m128i *) r = _mm_hadd_epi16 (t1, t2);
37 }
38
39 /* Routine to manually compute the results */
40 static void
compute_correct_result(int * i1,int * i2,int * r)41 compute_correct_result(int *i1, int *i2, int *r)
42 {
43 short *s1 = (short *) i1;
44 short *s2 = (short *) i2;
45 short *sout = (short *) r;
46 int i;
47
48 for (i = 0; i < 4; i++)
49 sout[i] = s1[2 * i] + s1[2 * i + 1];
50
51 for (i = 0; i < 4; i++)
52 sout[i + 4] = s2[2 * i] + s2[2 * i + 1];
53 }
54
55 static void
TEST(void)56 TEST (void)
57 {
58 int i;
59 int r [4] __attribute__ ((aligned(16)));
60 int ck [4];
61 int fail = 0;
62
63 for (i = 0; i < 256; i += 8)
64 {
65 /* Manually compute the result */
66 compute_correct_result (&vals[i + 0], &vals[i + 4], ck);
67
68 /* Run the 64-bit tests */
69 ssse3_test_phaddw (&vals[i + 0], &vals[i + 2], &r[0]);
70 ssse3_test_phaddw (&vals[i + 4], &vals[i + 6], &r[2]);
71 fail += chk_128 (ck, r);
72
73 /* Run the 128-bit tests */
74 ssse3_test_phaddw128 (&vals[i + 0], &vals[i + 4], r);
75 fail += chk_128 (ck, r);
76 }
77
78 if (fail != 0)
79 abort ();
80 }
81