From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 120836 invoked by alias); 3 Jun 2015 09:04:31 -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 120793 invoked by uid 48); 3 Jun 2015 09:04:27 -0000 From: "olegendo at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/66358] [5/6 Regression] [SH] ICE: in extract_constrain_insn, at recog.c:2232 Date: Wed, 03 Jun 2015 09:04:00 -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: 6.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: olegendo at gcc dot gnu.org 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: 5.2 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: 2015-06/txt/msg00272.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66358 --- Comment #8 from Oleg Endo --- (In reply to Kazumoto Kojima from comment #7) > (In reply to Oleg Endo from comment #6) > > There could be some negative side effects with the patch above, because it > > forces the R0 usage quite early (at RTL expansion). > > Yes, the comment part says it and it was discussed in #c83 > and #c82 of PR55212. This patch will be a 'micro-degradation', > though it wins CSiBE for the code size at least, even without LRA. Ah, right. If it fixes the problem, then I think it's the only option we have for the release branch.