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Re: [PATCH][v4] GIMPLE store merging pass
- From: Pat Haugen <pthaugen at linux dot vnet dot ibm dot com>
- To: Bill Schmidt <wschmidt at linux dot vnet dot ibm dot com>, Kyrill Tkachov <kyrylo dot tkachov at foss dot arm dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>, Richard Biener <rguenther at suse dot de>
- Date: Thu, 29 Sep 2016 10:37:34 -0500
- Subject: Re: [PATCH][v4] GIMPLE store merging pass
- Authentication-results: sourceware.org; auth=none
- References: <57EBE7A6.3040103@foss.arm.com> <0BED6BB0-4196-4086-919E-EEDDA5923FFF@linux.vnet.ibm.com>
On 09/28/2016 10:59 AM, Bill Schmidt wrote:
>> Bill, could you or someone else with access to Power benchmarking try this patch out on some benchmarks
>> > that you usually use? The new pass in this patch is on by default and can be turned off by -fno-store-merging
>> > if needed. Jakub indicated that his last attempt at this work caused regressions on powerpc so I'd like to
>> > see if this patch is okay in that regard.
> Hi Kyrill,
>
> Thanks for the heads-up! I will have someone on my team look at this as soon as possible.
>
I tried the patch on SPEC2006 on powerpc64le and the results were neutral, no noticeable improvements or degradations.
-Pat