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From: "jgarzik at pobox dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/47000] [4.5 Regression] Failure to inline SSE intrinsics
Date: Sat, 18 Dec 2010 21:15:00 -0000 [thread overview]
Message-ID: <bug-47000-4-s0qxqClEQG@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-47000-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47000
--- Comment #17 from Jeff Garzik <jgarzik at pobox dot com> 2010-12-18 21:15:28 UTC ---
(In reply to comment #8)
> - if (decl && DECL_BUILT_IN_CLASS (decl) == BUILT_IN_MD)
> + /* Do not special case builtins where we see the body.
> + This just confuse inliner. */
> + if (!decl || cgraph_node (decl)->analyzed)
> + ;
> + else if (decl && DECL_BUILT_IN_CLASS (decl) == BUILT_IN_MD)
> cost = weights->target_builtin_call_cost;
> else
> cost = weights->call_cost;
This patch successfully fixes the performance regression in 4.5.1.
next prev parent reply other threads:[~2010-12-18 21:15 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-18 7:46 [Bug c/47000] New: Major performance regression in parallel SSE2 impl of SHA256 hash algorithm jgarzik at pobox dot com
2010-12-18 7:48 ` [Bug c/47000] " jgarzik at pobox dot com
2010-12-18 12:27 ` [Bug target/47000] " steven at gcc dot gnu.org
2010-12-18 12:39 ` steven at gcc dot gnu.org
2010-12-18 12:49 ` steven at gcc dot gnu.org
2010-12-18 15:36 ` hjl.tools at gmail dot com
2010-12-18 15:41 ` hjl.tools at gmail dot com
2010-12-18 15:43 ` hjl.tools at gmail dot com
2010-12-18 16:04 ` hjl.tools at gmail dot com
2010-12-18 18:24 ` jgarzik at pobox dot com
2010-12-18 18:49 ` jgarzik at pobox dot com
2010-12-18 19:08 ` jgarzik at pobox dot com
2010-12-18 19:09 ` jgarzik at pobox dot com
2010-12-18 19:21 ` steven at gcc dot gnu.org
2010-12-18 19:35 ` [Bug target/47000] [4.5 Regression] Failure to inline SSE intrinsics hjl.tools at gmail dot com
2010-12-18 19:39 ` hjl.tools at gmail dot com
2010-12-18 20:26 ` jakub at gcc dot gnu.org
2010-12-18 21:15 ` jgarzik at pobox dot com [this message]
2010-12-18 21:16 ` jgarzik at pobox dot com
2010-12-18 21:17 ` jgarzik at pobox dot com
2010-12-18 21:26 ` jgarzik at pobox dot com
2010-12-19 11:50 ` hubicka at ucw dot cz
2010-12-19 11:53 ` hubicka at gcc dot gnu.org
2010-12-19 11:58 ` hubicka at gcc dot gnu.org
2010-12-20 8:32 ` jakub at gcc dot gnu.org
2010-12-21 10:31 ` hubicka at gcc dot gnu.org
2010-12-21 10:39 ` hubicka at gcc dot gnu.org
2010-12-28 14:57 ` rguenth at gcc dot gnu.org
2011-03-08 13:20 ` rguenth at gcc dot gnu.org
2011-04-28 15:28 ` rguenth at gcc dot gnu.org
2012-07-02 10:28 ` rguenth at gcc dot gnu.org
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