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 #ifndef __AVX__
19 /* Test the 64-bit form */
20 static void
ssse3_test_psignw(int * i1,int * i2,int * r)21 ssse3_test_psignw (int *i1, int *i2, int *r)
22 {
23 __m64 t1 = *(__m64 *) i1;
24 __m64 t2 = *(__m64 *) i2;
25 *(__m64 *) r = _mm_sign_pi16 (t1, t2);
26 _mm_empty ();
27 }
28 #endif
29
30 /* Test the 128-bit form */
31 static void
ssse3_test_psignw128(int * i1,int * i2,int * r)32 ssse3_test_psignw128 (int *i1, int *i2, int *r)
33 {
34 /* Assumes incoming pointers are 16-byte aligned */
35 __m128i t1 = *(__m128i *) i1;
36 __m128i t2 = *(__m128i *) i2;
37 *(__m128i *) r = _mm_sign_epi16 (t1, t2);
38 }
39
40 /* Routine to manually compute the results */
41 static void
compute_correct_result(int * i1,int * i2,int * r)42 compute_correct_result (int *i1, int *i2, int *r)
43 {
44 short *s1 = (short *) i1;
45 short *s2 = (short *) i2;
46 short *sout = (short *) r;
47 int i;
48
49 for (i = 0; i < 8; i++)
50 if (s2[i] < 0)
51 sout[i] = -s1[i];
52 else if (s2[i] == 0)
53 sout[i] = 0;
54 else
55 sout[i] = s1[i];
56 }
57
58 static void
TEST(void)59 TEST (void)
60 {
61 int i;
62 int r [4] __attribute__ ((aligned(16)));
63 int ck [4];
64 int fail = 0;
65
66 for (i = 0; i < 256; i += 8)
67 {
68 /* Manually compute the result */
69 compute_correct_result (&vals[i + 0], &vals[i + 4], ck);
70
71 #ifndef __AVX__
72 /* Run the 64-bit tests */
73 ssse3_test_psignw (&vals[i + 0], &vals[i + 4], &r[0]);
74 ssse3_test_psignw (&vals[i + 2], &vals[i + 6], &r[2]);
75 fail += chk_128 (ck, r);
76 #endif
77
78 /* Run the 128-bit tests */
79 ssse3_test_psignw128 (&vals[i + 0], &vals[i + 4], r);
80 fail += chk_128 (ck, r);
81 }
82
83 if (fail != 0)
84 abort ();
85 }
86