From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 12600 invoked by alias); 2 Jun 2002 20:06:02 -0000 Mailing-List: contact gcc-prs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-prs-owner@gcc.gnu.org Received: (qmail 12577 invoked by uid 71); 2 Jun 2002 20:06:01 -0000 Date: Sun, 02 Jun 2002 13:06:00 -0000 Message-ID: <20020602200601.12576.qmail@sources.redhat.com> To: nobody@gcc.gnu.org Cc: gcc-prs@gcc.gnu.org, From: Glen Nakamura Subject: Re: optimization/6822: GCC 3.1.1 - Internal compiler error in extract_insn, at recog.c:2132 Reply-To: Glen Nakamura X-SW-Source: 2002-06/txt/msg00043.txt.bz2 List-Id: The following reply was made to PR optimization/6822; it has been noted by GNATS. From: Glen Nakamura To: Richard Henderson , Eric Botcazou , gcc-gnats@gcc.gnu.org, gcc-bugs@gcc.gnu.org Cc: Subject: Re: optimization/6822: GCC 3.1.1 - Internal compiler error in extract_insn, at recog.c:2132 Date: Sun, 2 Jun 2002 10:02:44 -1000 On Sun, Jun 02, 2002 at 12:27:26PM -0700, Richard Henderson wrote: > On Tue, May 28, 2002 at 05:33:01PM -1000, Glen Nakamura wrote: > > * fold-const.c (fold): Modify the transformation of a comparison > > against the highest or lowest integer value to adjust for the > > previous transformation which converts 'X >= CST to X > (CST - 1)' > > and 'X < CST to X <= (CST - 1)'. > > Would you update this for mainline? I believe we fixed the > regression for the branch another way, but if there are > valid simplifications we're missing... > Okay, I'll do that... As you pointed out earlier, PR6822 was really a different problem. I'll update the patch for the mainline and open a new PR to track the discussion. Then, you can decide if it's worth it for the branch or not. - Glen Nakamura