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_pmaxsb256(char * s1,char * s2,char * r)8 compute_pmaxsb256 (char *s1, char *s2, 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 char res_ref[32];
21 int i, j, sign = 1;
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 * sign;
29 s2.a[j] = (i + 20) * sign;
30 sign = -sign;
31 }
32
33 res.x = _mm256_max_epi8 (s1.x, s2.x);
34
35 compute_pmaxsb256 (s1.a, s2.a, res_ref);
36
37 fail += check_union256i_b (res, res_ref);
38 }
39
40 if (fail != 0)
41 abort ();
42 }
43