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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/59880] ix86_avoid_lea_for_addr is buggy Date: Sun, 19 Jan 2014 18:41:00 -0000 [thread overview] Message-ID: <bug-59880-4-DqHESzSIEO@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-59880-4@http.gcc.gnu.org/bugzilla/> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59880 --- Comment #6 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to Jakub Jelinek from comment #5) > Created attachment 31893 [details] > gcc49-pr59880.patch > > Untested fix. The reason for the problem is that if it is just a > (zero-extended SI->DI or normal) move from %r13, %rbp or (for k6 %esi), then > decomposition sets parts.disp to const0_rtx and thus we count it as two > parts, even when we wouldn't emit it as a lea insn originally. True. However, can you put new test before costly call to ix86_ok_to_clobber_flags and ix86_decompose_address? >From gcc-bugs-return-440931-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Sun Jan 19 19:03:57 2014 Return-Path: <gcc-bugs-return-440931-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org> Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 702 invoked by alias); 19 Jan 2014 19:03:56 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: <gcc-bugs.gcc.gnu.org> List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/> List-Post: <mailto:gcc-bugs@gcc.gnu.org> List-Help: <mailto:gcc-bugs-help@gcc.gnu.org> Sender: gcc-bugs-owner@gcc.gnu.org Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 624 invoked by uid 48); 19 Jan 2014 19:03:53 -0000 From: "glisse at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/54425] Rvalue/Lvalue overload resolution of templated function Date: Sun, 19 Jan 2014 19:03:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Version: 4.8.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: glisse at gcc dot gnu.org X-Bugzilla-Status: RESOLVED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_status cc resolution Message-ID: <bug-54425-4-6EXD2qcMaQ@http.gcc.gnu.org/bugzilla/> In-Reply-To: <bug-54425-4@http.gcc.gnu.org/bugzilla/> References: <bug-54425-4@http.gcc.gnu.org/bugzilla/> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-01/txt/msg02073.txt.bz2 Content-length: 577 http://gcc.gnu.org/bugzilla/show_bug.cgi?idT425 Marc Glisse <glisse at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED CC| |glisse at gcc dot gnu.org Resolution|--- |DUPLICATE --- Comment #2 from Marc Glisse <glisse at gcc dot gnu.org> --- Already fixed on trunk. *** This bug has been marked as a duplicate of bug 57172 ***
next prev parent reply other threads:[~2014-01-19 18:41 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-01-19 16:14 [Bug rtl-optimization/59880] New: Improve REE for implicit SI->DI zero-extend hjl.tools at gmail dot com 2014-01-19 17:09 ` [Bug rtl-optimization/59880] " jakub at gcc dot gnu.org 2014-01-19 17:34 ` [Bug rtl-optimization/59880] ix86_avoid_lea_for_addr is buggy hjl.tools at gmail dot com 2014-01-19 18:25 ` ubizjak at gmail dot com 2014-01-19 18:41 ` ubizjak at gmail dot com [this message] 2014-01-19 19:41 ` jakub at gcc dot gnu.org 2014-01-20 9:52 ` [Bug target/59880] " jakub at gcc dot gnu.org 2014-01-20 9:55 ` jakub at gcc dot gnu.org 2014-01-22 18:29 ` uros at gcc dot gnu.org 2014-01-22 19:58 ` uros at gcc dot gnu.org 2014-01-22 19:59 ` ubizjak at gmail dot com 2014-01-22 22:01 ` hjl at gcc dot gnu.org
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