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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/100328] IRA doesn't model matching constraint well
Date: Tue, 06 Jul 2021 02:35:24 +0000 [thread overview]
Message-ID: <bug-100328-4-tTreBLLBaO@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-100328-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100328
--- Comment #10 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Kewen Lin <linkw@gcc.gnu.org>:
https://gcc.gnu.org/g:c64d15224c6dc4dc3b6b3c2c6b6fd5c7e0e9c072
commit r12-2046-gc64d15224c6dc4dc3b6b3c2c6b6fd5c7e0e9c072
Author: Kewen Lin <linkw@linux.ibm.com>
Date: Mon Jul 5 20:54:16 2021 -0500
i386: Disable param ira-consider-dup-in-all-alts [PR100328]
With Hongtao's SPEC2017 performance evaluation result here:
https://gcc.gnu.org/pipermail/gcc-patches/2021-June/573986.html
this new parameter ira-consider-dup-in-all-alts has negative
effects on i386, this patch is to disable it explicitly on
i386.
Bootstrapped & regtested on x86_64-redhat-linux.
gcc/ChangeLog:
PR rtl-optimization/100328
* config/i386/i386-options.c (ix86_option_override_internal):
Set param_ira_consider_dup_in_all_alts to 0.
next prev parent reply other threads:[~2021-07-06 2:35 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-29 6:41 [Bug rtl-optimization/100328] New: IRA doesn't model dup num " linkw at gcc dot gnu.org
2021-04-30 8:30 ` [Bug rtl-optimization/100328] " linkw at gcc dot gnu.org
2021-06-23 18:28 ` [Bug rtl-optimization/100328] IRA doesn't model matching " vmakarov at gcc dot gnu.org
2021-06-24 12:11 ` linkw at gcc dot gnu.org
2021-06-24 12:36 ` linkw at gcc dot gnu.org
2021-06-28 3:27 ` linkw at gcc dot gnu.org
2021-06-28 5:25 ` linkw at gcc dot gnu.org
2021-06-29 16:01 ` rsandifo at gcc dot gnu.org
2021-07-01 6:18 ` linkw at gcc dot gnu.org
2021-07-06 2:35 ` cvs-commit at gcc dot gnu.org
2021-07-06 2:35 ` cvs-commit at gcc dot gnu.org [this message]
2021-07-07 3:07 ` linkw at gcc dot gnu.org
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