From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 22556 invoked by alias); 25 Aug 2015 16:37:46 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 22508 invoked by uid 48); 25 Aug 2015 16:37:42 -0000 From: "ubizjak at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/67351] Missed optimisation on 64-bit field compared to 32-bit Date: Tue, 25 Aug 2015 16:37:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 5.2.1 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: ubizjak at gmail dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: 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: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2015-08/txt/msg01770.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D67351 --- Comment #2 from Uro=C5=A1 Bizjak --- (In reply to Allan Jensen from comment #0) > Gcc will expand and detect field setting on 32-bit integers, but for some > reason miss the opportunity on 64-bit. The immediates for 64bit logic insns are limited to sign-extended 32bit val= ues, so this probably limits combine to combine several insns into one. >>From gcc-bugs-return-495629-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Aug 25 16:40:25 2015 Return-Path: Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 25025 invoked by alias); 25 Aug 2015 16:40:25 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 24978 invoked by uid 48); 25 Aug 2015 16:40:17 -0000 From: "mpolacek at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/64544] ../../gcc-svn/gcc/cgraphunit.c:2183:1: internal compiler error: in check_probability, at basic-block.h:581 Date: Tue, 25 Aug 2015 16:40:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: major X-Bugzilla-Who: mpolacek at gcc dot gnu.org X-Bugzilla-Status: RESOLVED X-Bugzilla-Resolution: FIXED 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 resolution Message-ID: In-Reply-To: References: 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: 2015-08/txt/msg01771.txt.bz2 Content-length: 508 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64544 Marek Polacek changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED --- Comment #3 from Marek Polacek --- Should be fixed. If not, please reopen and be sure to add a preprocessed source file.