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From: "vincenzo.innocente at cern dot ch" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/61747] min,max pattern not always properly optimized (for sse4 targets)
Date: Tue, 08 Jul 2014 15:21:00 -0000 [thread overview]
Message-ID: <bug-61747-4-jYJYyKoTRm@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-61747-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61747
--- Comment #2 from vincenzo Innocente <vincenzo.innocente at cern dot ch> ---
> I think you need -fno-signed-zeros for the transformation to be valid.
possible.
but then is the O2 code that is wrong?
in any case adding -fno-signed-zeros makes no difference w/r/t O2 alone
next prev parent reply other threads:[~2014-07-08 15:21 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-08 13:34 [Bug tree-optimization/61747] New: " vincenzo.innocente at cern dot ch
2014-07-08 14:57 ` [Bug tree-optimization/61747] " glisse at gcc dot gnu.org
2014-07-08 15:21 ` vincenzo.innocente at cern dot ch [this message]
2014-07-08 15:27 ` glisse at gcc dot gnu.org
2014-07-08 15:35 ` vincenzo.innocente at cern dot ch
2014-07-08 15:46 ` rguenth at gcc dot gnu.org
2021-12-13 0:13 ` pinskia at gcc dot gnu.org
2023-07-18 11:15 ` rguenth at gcc dot gnu.org
2023-07-20 7:51 ` cvs-commit at gcc dot gnu.org
2023-07-20 7:52 ` rguenth at gcc dot gnu.org
2023-07-21 5:37 ` pinskia at gcc dot gnu.org
2023-07-21 6:21 ` rguenther at suse dot de
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