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From: "ubizjak at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/65078] [5.0 Regression] 4.9 and 5.0 generate more spill-fill in comparison with 4.8.2
Date: Mon, 16 Feb 2015 14:40:00 -0000 [thread overview]
Message-ID: <bug-65078-4-CzrGT2UT7g@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-65078-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65078
--- Comment #3 from Uroš Bizjak <ubizjak at gmail dot com> ---
Similar to PR21182 ?
As suggested in the above PR, does "-fschedule-insns -fsched-pressure" make any
difference?
>From gcc-bugs-return-477432-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Feb 16 14:43:40 2015
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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/65078] [5.0 Regression] 4.9 and 5.0 generate more spill-fill in comparison with 4.8.2
Date: Mon, 16 Feb 2015 14:43:00 -0000
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X-Bugzilla-Component: rtl-optimization
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https://gcc.gnu.org/bugzilla/show_bug.cgi?ide078
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |ra
Target| |i?86-*-*
CC| |vmakarov at gcc dot gnu.org
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Seems LRA does a very bad job here for some reason.
next prev parent reply other threads:[~2015-02-16 14:40 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-16 14:17 [Bug rtl-optimization/65078] New: " ysrumyan at gmail dot com
2015-02-16 14:19 ` [Bug rtl-optimization/65078] " ysrumyan at gmail dot com
2015-02-16 14:38 ` rguenth at gcc dot gnu.org
2015-02-16 14:40 ` ubizjak at gmail dot com [this message]
2015-02-16 14:44 ` jakub at gcc dot gnu.org
2015-02-16 14:44 ` rguenth at gcc dot gnu.org
2015-02-16 14:50 ` jakub at gcc dot gnu.org
2015-02-18 17:15 ` [Bug rtl-optimization/65078] [5 " law at redhat dot com
2015-03-17 10:33 ` jakub at gcc dot gnu.org
2015-03-17 11:05 ` jakub at gcc dot gnu.org
2015-03-17 12:22 ` jakub at gcc dot gnu.org
2015-03-17 15:13 ` jakub at gcc dot gnu.org
2015-03-18 10:59 ` jakub at gcc dot gnu.org
2015-03-18 11:12 ` jakub at gcc dot gnu.org
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