From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18651 invoked by alias); 5 Aug 2014 15:36:21 -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 18585 invoked by uid 48); 5 Aug 2014 15:36:16 -0000 From: "e.menezes at samsung dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/62014] [AArch64] Using -mgeneral-regs-only may lead to ICE Date: Tue, 05 Aug 2014 15:36:00 -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: 4.10.0 X-Bugzilla-Keywords: accepts-invalid, wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: e.menezes at samsung dot com X-Bugzilla-Status: WAITING 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: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-08/txt/msg00309.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62014 --- Comment #9 from Evandro Menezes --- It seems to me that it's the LRA which is forcing the use of FP registers, so, even if the patterns are fixed, I believe that in the end the combiner would just give up and ICE. With this assumption, which is open to corrections, I believe that the LRA needs to be properly managed according to the options passed on to the target.