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 #include "ssse3-vals.h"
15
16 #include <tmmintrin.h>
17
18 /* Test the 64-bit form */
19 static void
ssse3_test_psignw(int * i1,int * i2,int * r)20 ssse3_test_psignw (int *i1, int *i2, int *r)
21 {
22 __m64 t1 = *(__m64 *) i1;
23 __m64 t2 = *(__m64 *) i2;
24 *(__m64 *) r = _mm_sign_pi16 (t1, t2);
25 _mm_empty ();
26 }
27
28 /* Test the 128-bit form */
29 static void
ssse3_test_psignw128(int * i1,int * i2,int * r)30 ssse3_test_psignw128 (int *i1, int *i2, int *r)
31 {
32 /* Assumes incoming pointers are 16-byte aligned */
33 __m128i t1 = *(__m128i *) i1;
34 __m128i t2 = *(__m128i *) i2;
35 *(__m128i *) r = _mm_sign_epi16 (t1, t2);
36 }
37
38 /* Routine to manually compute the results */
39 static void
compute_correct_result(int * i1,int * i2,int * r)40 compute_correct_result (int *i1, int *i2, int *r)
41 {
42 short *s1 = (short *) i1;
43 short *s2 = (short *) i2;
44 short *sout = (short *) r;
45 int i;
46
47 for (i = 0; i < 8; i++)
48 if (s2[i] < 0)
49 sout[i] = -s1[i];
50 else if (s2[i] == 0)
51 sout[i] = 0;
52 else
53 sout[i] = s1[i];
54 }
55
56 static void
TEST(void)57 TEST (void)
58 {
59 int i;
60 int r [4] __attribute__ ((aligned(16)));
61 int ck [4];
62 int fail = 0;
63
64 for (i = 0; i < 256; i += 8)
65 {
66 /* Manually compute the result */
67 compute_correct_result (&vals[i + 0], &vals[i + 4], ck);
68
69 /* Run the 64-bit tests */
70 ssse3_test_psignw (&vals[i + 0], &vals[i + 4], &r[0]);
71 ssse3_test_psignw (&vals[i + 2], &vals[i + 6], &r[2]);
72 fail += chk_128 (ck, r);
73
74 /* Run the 128-bit tests */
75 ssse3_test_psignw128 (&vals[i + 0], &vals[i + 4], r);
76 fail += chk_128 (ck, r);
77 }
78
79 if (fail != 0)
80 abort ();
81 }
82