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From: "ubizjak at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/57954] AVX missing vxorps (zeroing) before vcvtsi2s %edx, slow down AVX code
Date: Mon, 29 Jul 2013 11:24:00 -0000 [thread overview]
Message-ID: <bug-57954-4-XLYTrjkGju@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-57954-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57954
Uroš Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |x86
Status|UNCONFIRMED |RESOLVED
URL| |http://gcc.gnu.org/ml/gcc-p
| |atches/2013-07/msg01368.htm
| |l
Resolution|--- |FIXED
Target Milestone|--- |4.9.0
--- Comment #6 from Uroš Bizjak <ubizjak at gmail dot com> ---
Author: uros
Date: Mon Jul 29 11:17:51 2013
New Revision: 201308
URL: http://gcc.gnu.org/viewcvs?rev=201308&root=gcc&view=rev
Log:
2013-07-29 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (float post-reload splitters): Do not check
for subregs of SSE registers.
2013-07-29 Uros Bizjak <ubizjak@gmail.com>
H.J. Lu <hongjiu.lu@intel.com>
PR target/57954
PR target/57988
* config/i386/i386.md (post-reload splitter
to avoid partial SSE reg dependency stalls): New pattern.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/i386/i386.md
>From gcc-bugs-return-426900-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Jul 29 11:24:37 2013
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From: "ubizjak at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/57954] AVX missing vxorps (zeroing) before vcvtsi2s %edx, slow down AVX code
Date: Mon, 29 Jul 2013 11:24:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57954
--- Comment #7 from Uroš Bizjak <ubizjak at gmail dot com> ---
Fixed.
>From gcc-bugs-return-426901-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Jul 29 11:30:26 2013
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From: "vincenzo.innocente at cern dot ch" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/57954] AVX missing vxorps (zeroing) before vcvtsi2s %edx, slow down AVX code
Date: Mon, 29 Jul 2013 11:30:00 -0000
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--- Comment #8 from vincenzo Innocente <vincenzo.innocente at cern dot ch> ---
thanks for getting in the trunk.
will be possible to back port to at least 4.8?
(this issue is there till 4.4!)
next prev parent reply other threads:[~2013-07-29 11:24 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-22 14:50 [Bug target/57954] New: " vincenzo.innocente at cern dot ch
2013-07-26 0:08 ` [Bug target/57954] " hjl.tools at gmail dot com
2013-07-26 19:06 ` hjl.tools at gmail dot com
2013-07-26 19:59 ` dushistov at mail dot ru
2013-07-26 20:02 ` hjl.tools at gmail dot com
2013-07-27 17:21 ` vincenzo.innocente at cern dot ch
2013-07-29 11:24 ` ubizjak at gmail dot com [this message]
2013-07-29 12:14 ` ysrumyan at gmail dot com
2013-07-29 15:52 ` ubizjak at gmail dot com
2013-07-29 18:48 ` dushistov at mail dot ru
2013-12-31 14:00 ` glisse at gcc dot gnu.org
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