| /* { dg-do compile } */ | |
| /* { dg-additional-options "-Ofast" } */ | |
| /* { dg-require-effective-target vect_double } */ | |
| double a[1024], b[1024], c[1024]; | |
| void foo() | |
| { | |
| for (int i = 0; i < 256; ++i) | |
| { | |
| a[2*i] = a[2*i] + b[2*i] - c[2*i]; | |
| a[2*i+1] = a[2*i+1] - b[2*i+1] - c[2*i+1]; | |
| } | |
| } | |
| /* { dg-final { scan-tree-dump "vectorizing stmts using SLP" "vect" } } */ | |
| /* { dg-final { scan-tree-dump "Loop contains only SLP stmts" "vect" } } */ |