From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 24933 invoked by alias); 25 Sep 2014 06:27:04 -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 24834 invoked by uid 48); 25 Sep 2014 06:26:54 -0000 From: "hp at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/55212] [SH] Switch from IRA to LRA Date: Thu, 25 Sep 2014 06:27:00 -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: unknown X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: hp 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: --- 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: 2014-09/txt/msg02334.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212 --- Comment #33 from Hans-Peter Nilsson --- (In reply to Kazumoto Kojima from comment #32) > Patch for SH untyped_call > config/sh/sh.md (untyped_call): Clobber function value registers before > call. (Sorry for butting in; I'm CC'ed with the purpose of observing issues likely to pop up for my own ports.) Will clobbering function-value registers before the call not cause problems on SH5, where function-value registers and parameters registers overlap (IIUC)? For reference, i386.md emits a blockage (i.e. *using* and clobbering all registers).