From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 14350 invoked by alias); 3 Jan 2010 06:55:21 -0000 Received: (qmail 14315 invoked by uid 48); 3 Jan 2010 06:55:12 -0000 Date: Sun, 03 Jan 2010 06:55:00 -0000 Message-ID: <20100103065512.14314.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/42586] New: load-modify-store on x86 should be \ single instruction In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "andi-gcc at firstfloor dot org" 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 X-SW-Source: 2010-01/txt/msg00229.txt.bz2 ------- Comment #7 from andi-gcc at firstfloor dot org 2010-01-03 06:55 ------- This bug was not about the unnecessary stack frame, but about unnecessary read-modify-write (it seems you didn't read my description completely) For stack frame probably another bug should be opened. I can do that. I reverted the summary to the original one. -- andi-gcc at firstfloor dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|SRA does not always work |New: load-modify-store on | |x86 should be \ single | |instruction http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42586