From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 7448 invoked by alias); 10 Jun 2004 12:47:48 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 7400 invoked by alias); 10 Jun 2004 12:47:47 -0000 Date: Thu, 10 Jun 2004 12:47:00 -0000 Message-ID: <20040610124747.7399.qmail@sourceware.org> From: "kcook at gcc dot gnu dot org" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20040520075803.15551.dannysmith@users.sourceforge.net> References: <20040520075803.15551.dannysmith@users.sourceforge.net> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug target/15551] [3.4/3.5? Regression] -mtune=pentium4 -O2 with sjlj EH breaks stack probe worker on windows32 targets X-Bugzilla-Reason: CC X-SW-Source: 2004-06/txt/msg01252.txt.bz2 List-Id: ------- Additional Comments From kcook at gcc dot gnu dot org 2004-06-10 12:47 ------- Subject: Re: [3.4/3.5? Regression] -mtune=pentium4 -O2 I previously wrote > The patch also applies to 3.4 and passed an all languages bootstrap; > I'll also regtest it there. > > Mark, after a week on mainline, would this be OK for 3.4.1 assuming that > it also passes? > > 2004-06-07 Kelley Cook > > * config/i386/i386.c (ix86_expand_prologue): Mark win32 allocate insn > as prologue. > * config/i386/i386.md (allocate_stack): Clobber alloca memory. > (allocate_stack_worker_postreload): Likewise. > (allocate_stack_worker_rex64): Likewise. > (allocate_stack_worker_rex64_postreload): Likewise. > (allocate_stack_worker_1): Likewise. For what it is worth, on both mainline and 3.4.1 this patch, under pentium4-pc-cygwin, created no new regressions. Moreover, it fixed one of them: g77.f-torture/execute/labug1.f execution OK to install? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15551