This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: [patch, PR44297] prefetch improvements to fix 416 regression from non-constant step prefetching
- From: Sebastian Pop <sebpop at gmail dot com>
- To: Zdenek Dvorak <rakdver at kam dot mff dot cuni dot cz>
- Cc: "Fang, Changpeng" <Changpeng dot Fang at amd dot com>, "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
- Date: Wed, 9 Jun 2010 17:56:43 -0500
- Subject: Re: [patch, PR44297] prefetch improvements to fix 416 regression from non-constant step prefetching
- References: <D4C76825A6780047854A11E93CDE84D02F7720@SAUSEXMBP01.amd.com> <20100607202542.GA15332@kam.mff.cuni.cz>
On Mon, Jun 7, 2010 at 15:25, Zdenek Dvorak <rakdver@kam.mff.cuni.cz> wrote:
> Hi,
>
>> Attached is the patch to limit non-constant step prefetching only to the innermost loops.
>> This patch fixes the 5% degradation in 416.gamess caused by non-constant step prefetching.
>>
>> patch passed bootstrapping and gcc regression tests.
>>
>> Is it OK for the trunk?
>
> OK,
Committed r160515.
Sebastian