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 #include <tmmintrin.h>
17
18 #ifndef __AVX__
19 /* Test the 64-bit form */
20 static void
ssse3_test_pabsb(int * i1,int * r)21 ssse3_test_pabsb (int *i1, int *r)
22 {
23 __m64 t1 = *(__m64 *) i1;
24 *(__m64 *) r = _mm_abs_pi8 (t1);
25 _mm_empty ();
26 }
27 #endif
28
29 /* Test the 128-bit form */
30 static void
ssse3_test_pabsb128(int * i1,int * r)31 ssse3_test_pabsb128 (int *i1, int *r)
32 {
33 /* Assumes incoming pointers are 16-byte aligned */
34 __m128i t1 = *(__m128i *) i1;
35 *(__m128i *) r = _mm_abs_epi8 (t1);
36 }
37
38 /* Routine to manually compute the results */
39 static void
compute_correct_result(int * i1,int * r)40 compute_correct_result (int *i1, int *r)
41 {
42 char *b1 = (char *) i1;
43 char *bout = (char *) r;
44 int i;
45
46 for (i = 0; i < 16; i++)
47 if (b1[i] < 0)
48 bout[i] = -b1[i];
49 else
50 bout[i] = b1[i];
51 }
52
53 static void
TEST(void)54 TEST (void)
55 {
56 int i;
57 int r [4] __attribute__ ((aligned(16)));
58 int ck [4];
59 int fail = 0;
60
61 for (i = 0; i < 256; i += 4)
62 {
63 /* Manually compute the result */
64 compute_correct_result(&vals[i + 0], ck);
65
66 #ifndef __AVX__
67 /* Run the 64-bit tests */
68 ssse3_test_pabsb (&vals[i + 0], &r[0]);
69 ssse3_test_pabsb (&vals[i + 2], &r[2]);
70 fail += chk_128 (ck, r);
71 #endif
72
73 /* Run the 128-bit tests */
74 ssse3_test_pabsb128 (&vals[i + 0], r);
75 fail += chk_128 (ck, r);
76 }
77
78 if (fail != 0)
79 abort ();
80 }
81