From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 13860 invoked by alias); 7 Nov 2014 22:23:18 -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 13761 invoked by uid 55); 7 Nov 2014 22:23:06 -0000 From: "dave.anglin at bell dot net" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/55023] hppa: wrong code generated with tail call optimisation Date: Fri, 07 Nov 2014 22:23:00 -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: 4.8.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: dave.anglin at bell dot net 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: 2014-11/txt/msg00493.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55023 --- Comment #5 from dave.anglin at bell dot net --- On 11/7/2014 5:13 PM, law at redhat dot com wrote: > Agreed, seems that RTL DSE is eliminating the stores. Presumably its not > considering the call as potentially reading the argument stores. That's what I thought. When sibcalls are disabled, the normal call has the same set of uses as the sibcall, but the stores are not eliminated. Dave