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_pmuldq256(int * s1,int * s2,long long int * r)8 compute_pmuldq256 (int *s1, int *s2, long long int *r)
9 {
10 int i;
11
12 for (i = 0; i < 4; i++)
13 r[i] = s1[i * 2] * s2[i * 2];
14 }
15
16 static void
avx2_test(void)17 avx2_test (void)
18 {
19 union256i_d s1, s2;
20 union256i_q res;
21 long long int res_ref[4];
22 int i, j, sign = 1;
23 int fail = 0;
24
25 for (i = 0; i < 10; i++)
26 {
27 for (j = 0; j < 8; j++)
28 {
29 s1.a[j] = i * j * sign;
30 s2.a[j] = (j + 20) * sign;
31 sign = -sign;
32 }
33
34 res.x = _mm256_mul_epi32 (s1.x, s2.x);
35 compute_pmuldq256 (s1.a, s2.a, res_ref);
36
37 fail += check_union256i_q (res, res_ref);
38 }
39
40 if (fail != 0)
41 abort ();
42 }
43