| /* { dg-do run } */ |
| /* { dg-options "-mavx2 -O2" } */ |
| /* { dg-require-effective-target avx2 } */ |
| |
| #include "avx2-check.h" |
| |
| void static |
| avx2_test (void) |
| { |
| union256i_b u, s1, s2; |
| unsigned char e[32]; |
| int i, tmp; |
| |
| s1.x = _mm256_set_epi8 (1, 2, 3, 4, 10, 20, 30, 90, 80, 40, 100, 15, |
| 98, 25, 98, 7, 88, 44, 33, 22, 11, 98, 76, |
| 200, 34, 78, 39, 6, 3, 4, 5, 119); |
| |
| s2.x = _mm256_set_epi8 (88, 44, 33, 220, 11, 98, 76, 100, 34, 78, 39, |
| 6, 3, 4, 5, 219, 1, 2, 3, 4, 10, 20, 30, 90, |
| 80, 40, 100, 15, 98, 25, 98, 7); |
| |
| u.x = _mm256_subs_epu8 (s1.x, s2.x); |
| |
| for (i = 0; i < 32; i++) |
| { |
| tmp = (unsigned char) s1.a[i] - (unsigned char) s2.a[i]; |
| |
| if (tmp < 0) |
| tmp = 0; |
| |
| e[i] = tmp; |
| } |
| |
| if (check_union256i_b (u, e)) |
| abort (); |
| } |