1 /* { dg-do run } */
2 /* { dg-options "-mavx2 -O2" } */
3 /* { dg-require-effective-target avx2 } */
4
5 #include "avx2-check.h"
6 #include "ssse3-vals.h"
7
8 static void
compute_phsubd256(int * i1,int * i2,int * r)9 compute_phsubd256 (int *i1, int *i2, int *r)
10 {
11 int i;
12
13 for (i = 0; i < 2; i++)
14 r[i + 0] = i1[2 * i] - i1[2 * i + 1];
15
16 for (i = 0; i < 2; i++)
17 r[i + 2] = i2[2 * i] - i2[2 * i + 1];
18
19 for (i = 0; i < 2; i++)
20 r[i + 4] = i1[2 * i + 4] - i1[2 * i + 5];
21
22 for (i = 0; i < 2; i++)
23 r[i + 6] = i2[2 * i + 4] - i2[2 * i + 5];
24 }
25
26 static void
avx2_test(void)27 avx2_test (void)
28 {
29 union256i_d s1, s2, res;
30 int res_ref[8];
31 int i, j;
32 int fail = 0;
33
34
35 for (i = 0; i < 256; i += 16)
36 {
37 s1.x = _mm256_loadu_si256 ((__m256i *) & vals[i]);
38 s2.x = _mm256_loadu_si256 ((__m256i *) & vals[i + 8]);
39
40 res.x = _mm256_hsub_epi32 (s1.x, s2.x);
41
42 compute_phsubd256 (s1.a, s2.a, res_ref);
43
44 fail += check_union256i_d (res, res_ref);
45 }
46
47 if (fail != 0)
48 abort ();
49 }
50