From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 2091 invoked by alias); 29 Aug 2014 01:27:06 -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 2015 invoked by uid 48); 29 Aug 2014 01:26:58 -0000 From: "gregory.0xf0 at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/54300] [4.7, 4.8 Regression] regcprop incorrectly looks through parallel register swap operation Date: Fri, 29 Aug 2014 01:27:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Version: 4.8.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: major X-Bugzilla-Who: gregory.0xf0 at gmail dot com X-Bugzilla-Status: RESOLVED X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.7.4 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc 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: 2014-08/txt/msg01934.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D54300 gregory.0xf0 at gmail dot com changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |gregory.0xf0 at gmail dot = com --- Comment #19 from gregory.0xf0 at gmail dot com --- (In reply to Richard Earnshaw from comment #15) > Author: rearnsha > Date: Mon Dec 9 14:54:00 2013 > New Revision: 205807 >=20 > URL: http://gcc.gnu.org/viewcvs?rev=3D205807&root=3Dgcc&view=3Drev > Log: > PR rtl-optimization/54300 >=20 > gcc/ >=20 > PR rtl-optimization/54300 > * regcprop.c (copyprop_hardreg_forward_1): Ensure any unused > outputs in a single-set are killed from the value chains. >=20 > gcc/testsuite: >=20 > PR rtl-optimization/54300 > * gcc.target/arm/pr54300.C: New test. >=20 >=20 > Added: > trunk/gcc/testsuite/gcc.target/arm/ldrd-strd-offset.c > Modified: > trunk/gcc/ChangeLog > trunk/gcc/config/arm/arm.c > trunk/gcc/testsuite/ChangeLog There probably isn't much that can be done to fix this now, but in case any= one else was confused because this change was tagged with PR 54300, it looks li= ke this change ended up with the wrong commit message (changelog is correct).= =20 FMI: https://gcc.gnu.org/ml/gcc-patches/2013-12/msg00850.html >>From gcc-bugs-return-459439-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Fri Aug 29 03:12:42 2014 Return-Path: Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 6072 invoked by alias); 29 Aug 2014 03:12:42 -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 6049 invoked by uid 55); 29 Aug 2014 03:12:38 -0000 From: "dmalcolm at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug bootstrap/62300] [5 Regression] internal compiler error: in as_a, at is-a.h:192 Date: Fri, 29 Aug 2014 03:12:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: bootstrap X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: dmalcolm at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 5.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: 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: 2014-08/txt/msg01936.txt.bz2 Content-length: 496 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62300 --- Comment #5 from dmalcolm at gcc dot gnu.org --- Author: dmalcolm Date: Fri Aug 29 03:12:01 2014 New Revision: 214714 URL: https://gcc.gnu.org/viewcvs?rev=214714&root=gcc&view=rev Log: PR bootstrap/62300 * function.c (assign_parm_setup_reg): Remove erroneous checked cast to rtx_insn * on result of gen_extend_insn in favor of introducing a new local rtx "pat". Modified: trunk/gcc/ChangeLog trunk/gcc/function.c