From: Martin Jambor <mjambor@suse.cz>
To: Xionghu Luo <luoxhu@linux.ibm.com>
Cc: gcc-patches@gcc.gnu.org
Subject: Re: [PATCH] Run pass_sink_code once more before store_mergin
Date: Thu, 02 Sep 2021 17:45:34 +0200 [thread overview]
Message-ID: <ri6tuj37zhd.fsf@suse.cz> (raw)
In-Reply-To: <763796a2-fe9a-a3bf-c48c-a6ae39e9fa74@linux.ibm.com>
Hi,
On Tue, May 18 2021, Xionghu Luo via Gcc-patches wrote:
>
[...]
> From 7fcc6ca9ef3b6acbfbcbd3da4be1d1c0eef4be80 Mon Sep 17 00:00:00 2001
> From: Xiong Hu Luo <luoxhu@linux.ibm.com>
> Date: Mon, 17 May 2021 20:46:15 -0500
> Subject: [PATCH] Run pass_sink_code once more before store_merging
>
> Gimple sink code pass runs quite early, there may be some new
> oppertunities exposed by later gimple optmization passes, this patch
> runs the sink code pass once more before store_merging. For detailed
> discussion, please refer to:
> https://gcc.gnu.org/pipermail/gcc-patches/2020-December/562352.html
>
> Tested the SPEC2017 performance on P8LE, 544.nab_r is improved
> by 2.43%, but no big changes to other cases, GEOMEAN is improved quite
> small with 0.25%.
>
> gcc/ChangeLog:
>
> * passes.def: Add sink_code before store_merging.
> * tree-ssa-sink.c (pass_sink_code:clone): New.
Unfortunately, this seems to have caused PR 102178
(https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102178)
Sorry about the bad news,
Martin
next prev parent reply other threads:[~2021-09-02 15:45 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-21 9:03 [RFC] Run pass_sink_code once more after ivopts/fre Xiong Hu Luo
2020-12-22 16:53 ` Richard Biener
2021-03-23 3:07 ` Xionghu Luo
2021-03-23 8:50 ` Richard Biener
2021-03-26 7:35 ` Xionghu Luo
2021-04-14 1:51 ` Xionghu Luo
2021-04-14 6:41 ` Richard Biener
2021-04-15 6:20 ` Xionghu Luo
2021-04-15 11:34 ` Richard Biener
2021-04-20 9:23 ` Xionghu Luo
2021-04-21 11:54 ` Richard Biener
2021-05-14 7:10 ` Xionghu Luo
2021-05-17 8:11 ` Richard Biener
2021-05-18 5:20 ` [PATCH] Run pass_sink_code once more before store_mergin Xionghu Luo
2021-05-18 7:02 ` Richard Biener
2021-05-18 9:00 ` Xionghu Luo
2021-05-18 10:34 ` Richard Biener
2021-05-19 8:03 ` Bernd Edlinger
2021-09-02 15:45 ` Martin Jambor [this message]
2021-04-24 3:44 ` [RFC] Run pass_sink_code once more after ivopts/fre Jeff Law
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