| /* { dg-do compile { target i?86-*-* x86_64-*-* } } */ |
| /* { dg-require-effective-target ilp32 } */ |
| /* { dg-options "-O1 -fprefetch-loop-arrays -march=athlon -fdump-tree-aprefetch-blocks" } */ |
| |
| int a[10000]; |
| |
| int foo(unsigned n) |
| { |
| unsigned i, s = 0; |
| |
| for (i = 0; i < n; i++) |
| s += a[i]; |
| |
| return s; |
| } |
| |
| /* We used to make the probability that the body of the loop (unrolled |
| to enable prefetching) is entered 0, which is not correct. */ |
| |
| /* { dg-final { scan-tree-dump-not "Invalid sum" "aprefetch"} } */ |
| /* { dg-final { scan-tree-dump-not "SUCC: 7 .100.0%" "aprefetch"} } */ |
| /* { dg-final { cleanup-tree-dump "aprefetch" } } */ |
