| /* { dg-do compile } */ |
| /* { dg-require-effective-target vect_double } */ |
| /* { dg-additional-options "-fno-trapping-math -fno-allow-store-data-races" } */ |
| /* { dg-additional-options "-mavx" { target avx } } */ |
| |
| #define N 1024 |
| |
| double a[N], b[N]; |
| |
| void foo () |
| { |
| for (int i = 0; i < N; ++i) |
| if (b[i] < 3.) |
| a[i] += b[i]; |
| } |
| |
| /* We get a .MASK_STORE because while the load of a[i] does not trap |
| the store would introduce store data races. Make sure we still |
| can handle the data dependence with zero distance. */ |
| |
| /* { dg-final { scan-tree-dump-not "versioning for alias required" "vect" { target { vect_masked_store || avx } } } } */ |
| /* { dg-final { scan-tree-dump "vectorized 1 loops in function" "vect" { target { vect_masked_store || avx } } } } */ |
