1 /* { dg-do run } */
2 /* { dg-options "-mavx2 -O2" } */
3 /* { dg-require-effective-target avx2 } */
4
5 #include "avx2-check.h"
6
7 static void
compute_pmaxub256(unsigned char * s1,unsigned char * s2,unsigned char * r)8 compute_pmaxub256 (unsigned char *s1, unsigned char *s2, unsigned char *r)
9 {
10 int i;
11
12 for (i = 0; i < 32; i++)
13 r[i] = s1[i] > s2[i] ? s1[i] : s2[i];
14 }
15
16 static void
avx2_test(void)17 avx2_test (void)
18 {
19 union256i_b s1, s2, res;
20 unsigned char res_ref[32];
21 int i, j;
22 int fail = 0;
23
24 for (i = 0; i < 10; i++)
25 {
26 for (j = 0; j < 32; j++)
27 {
28 s1.a[j] = j * i;
29 s2.a[j] = i + 200;
30 }
31
32 res.x = _mm256_max_epu8 (s1.x, s2.x);
33
34 compute_pmaxub256 ((unsigned char *) s1.a,
35 (unsigned char *) s2.a, (unsigned char *) res_ref);
36
37 fail += check_union256i_b (res, res_ref);
38 }
39
40 if (fail != 0)
41 abort ();
42 }
43