On 24/07/15 12:30, Tom de Vries wrote:
> On 13/07/15 16:55, Tom de Vries wrote:
>> Hi,
>>
>> this patch fixes PR66851.
>>
>> In parloops, we manage to parallelize outer loops, but not if the inner
>> loop contains a reduction. There is an xfail in autopar/outer-4.c for
>> this:
>> ...
>> /* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1
>> "parloops" { xfail *-*-* } } } */
>> ...
>>
>> This patch allows outer loops with a reduction in the inner loop to be
>> parallelized.
>>

Updated patch checks that we actually have an inner reduction that we 
can parallelize. So, uns-outer-4.c with unsigned int reduction will be 
paralellized, while outer-4.c with signed int reduction will not be 
paralellized.

Bootstrapped on x86_64, reg-test in progress.

OK for trunk?

Thanks,
- Tom