| /* { dg-do run } */ |
| /* { dg-options "-mavx2 -O2" } */ |
| /* { dg-require-effective-target avx2 } */ |
| |
| #include "avx2-check.h" |
| |
| static void |
| compute_pmuldq256 (int *s1, int *s2, long long int *r) |
| { |
| int i; |
| |
| for (i = 0; i < 4; i++) |
| r[i] = s1[i * 2] * s2[i * 2]; |
| } |
| |
| static void |
| avx2_test (void) |
| { |
| union256i_d s1, s2; |
| union256i_q res; |
| long long int res_ref[4]; |
| int i, j, sign = 1; |
| int fail = 0; |
| |
| for (i = 0; i < 10; i++) |
| { |
| for (j = 0; j < 8; j++) |
| { |
| s1.a[j] = i * j * sign; |
| s2.a[j] = (j + 20) * sign; |
| sign = -sign; |
| } |
| |
| res.x = _mm256_mul_epi32 (s1.x, s2.x); |
| compute_pmuldq256 (s1.a, s2.a, res_ref); |
| |
| fail += check_union256i_q (res, res_ref); |
| } |
| |
| if (fail != 0) |
| abort (); |
| } |