PR 52631 is a missed-optimization regression where we fail to lookup a
simplified expression when value numbering the ssa graph to see if the
simplified expression already has a value number.
Andrew Pinski had a patch that was 99% complete in the PR; Richard
Biener suggested a relatively
On Mon, Aug 20, 2012 at 6:49 AM, Andrew Pinski
wrote:
> On Wed, Jul 25, 2012 at 4:39 AM, Richard Guenther
> wrote:
>> On Tue, Jul 24, 2012 at 5:50 PM, Andrew Pinski
>> wrote:
>>> Hi,
>>> Before tuples was introduced, VN used to lookup the simplified
>>> expression to see if it was available al
On Wed, Jul 25, 2012 at 4:39 AM, Richard Guenther
wrote:
> On Tue, Jul 24, 2012 at 5:50 PM, Andrew Pinski
> wrote:
>> Hi,
>> Before tuples was introduced, VN used to lookup the simplified
>> expression to see if it was available already and use that instead of
>> the non simplified one. This p
On Tue, Jul 24, 2012 at 5:50 PM, Andrew Pinski
wrote:
> Hi,
> Before tuples was introduced, VN used to lookup the simplified
> expression to see if it was available already and use that instead of
> the non simplified one. This patch adds the support back to VN to do
> exactly that.
>
> OK? Boo
Hi,
Before tuples was introduced, VN used to lookup the simplified
expression to see if it was available already and use that instead of
the non simplified one. This patch adds the support back to VN to do
exactly that.
OK? Bootstrapped and tested on x86_64-linux-gnu with no regressions.
Thank
