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Re: Fix PR/46200 -- ivopt bug in test condition cost computation
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: Xinliang David Li <davidxl at google dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>, Zdenek Dvorak <rakdver at kam dot mff dot cuni dot cz>
- Date: Fri, 5 Nov 2010 13:40:15 -0700
- Subject: Re: Fix PR/46200 -- ivopt bug in test condition cost computation
- References: <AANLkTi=TiOqvQsCGUwAP+BdYuNKoXkMR+bUPAJ3LP=8d@mail.gmail.com> <AANLkTikD+BnBOBxS3vAJA4LM0DYM2gYynsXYQW22pVc0@mail.gmail.com>
On Fri, Nov 5, 2010 at 1:32 PM, H.J. Lu <hjl.tools@gmail.com> wrote:
> On Fri, Oct 29, 2010 at 1:28 PM, Xinliang David Li <davidxl@google.com> wrote:
>> Hi, please review the patch attached. Regression and some performance
>> test is under going.
>>
>> Thanks,
>>
>> David
>>
>>
>> 2010-10-29 ?Xinliang David Li ?<davidxl@google.com>
>>
>> ? ? ? ?PR target/46200
>> ? ? ? ?* tree-ssa-loop-ivopts.c (get_computation_cost_at):
>> ? ? ? ?Adjust cbase if the use stmt is after iv update.
>>
>
> This patch may have caused:
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46316
>
I was wrong. Ignore it.
--
H.J.