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From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/55177] missed optimizations with __builtin_bswap
Date: Fri, 02 Nov 2012 21:59:00 -0000	[thread overview]
Message-ID: <bug-55177-4-K88m3qZu6F@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-55177-4@http.gcc.gnu.org/bugzilla/>


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55177

--- Comment #6 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-11-02 21:59:27 UTC ---
> So what you describe as 'really dumb' is actually something that we *force*
> people to do. We'd be much worse off without it.

'really dumb' applied only to the example though, not to your design decisions
which are probably reasonable, even if they yield these useless byte-swapping
primitives in some cases.


  parent reply	other threads:[~2012-11-02 21:59 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-02  9:59 [Bug tree-optimization/55177] New: Missed optimisation: bswap, mask with constant, bswap back again dwmw2 at infradead dot org
2012-11-02 10:46 ` [Bug tree-optimization/55177] " dwmw2 at infradead dot org
2012-11-02 10:56 ` [Bug rtl-optimization/55177] missed optimizations with __builtin_bswap ebotcazou at gcc dot gnu.org
2012-11-02 17:05 ` dwmw2 at infradead dot org
2012-11-02 17:46 ` ebotcazou at gcc dot gnu.org
2012-11-02 19:42 ` dwmw2 at infradead dot org
2012-11-02 21:59 ` ebotcazou at gcc dot gnu.org [this message]
2012-11-08 14:30 ` dwmw2 at infradead dot org
2012-11-08 16:14 ` ebotcazou at gcc dot gnu.org
2013-03-08 12:12 ` dwmw2 at infradead dot org
2013-03-08 15:19 ` pinskia at gcc dot gnu.org
2013-03-09  0:06 ` ebotcazou at gcc dot gnu.org
2013-03-09  0:16 ` [Bug tree-optimization/55177] " pinskia at gcc dot gnu.org
2014-04-04 12:40 ` krebbel at gcc dot gnu.org
2014-11-22 22:11 ` pinskia at gcc dot gnu.org
2015-01-23 14:00 ` ubizjak at gmail dot com
2015-01-23 14:08 ` dwmw2 at infradead dot org
2015-01-23 14:11 ` ubizjak at gmail dot com
2021-11-15  8:30 ` pinskia at gcc dot gnu.org
2021-11-15  8:35 ` pinskia at gcc dot gnu.org
2021-11-15  9:19 ` pinskia at gcc dot gnu.org
2021-11-17 23:40 ` cvs-commit at gcc dot gnu.org
2021-11-17 23:40 ` pinskia at gcc dot gnu.org
2021-11-17 23:41 ` pinskia at gcc dot gnu.org

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