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Re: optimization/6822: GCC 3.1.1 - Internal compiler error in extract_insn, at recog.c:2132
- From: Richard Henderson <rth at redhat dot com>
- To: nobody at gcc dot gnu dot org
- Cc: gcc-prs at gcc dot gnu dot org,
- Date: 2 Jun 2002 19:36:02 -0000
- Subject: Re: optimization/6822: GCC 3.1.1 - Internal compiler error in extract_insn, at recog.c:2132
- Reply-to: Richard Henderson <rth at redhat dot com>
The following reply was made to PR optimization/6822; it has been noted by GNATS.
From: Richard Henderson <rth@redhat.com>
To: Glen Nakamura <glen@imodulo.com>
Cc: Eric Botcazou <ebotcazou@libertysurf.fr>, gcc-gnats@gcc.gnu.org,
gcc-bugs@gcc.gnu.org, gcc-patches@gcc.gnu.org
Subject: Re: optimization/6822: GCC 3.1.1 - Internal compiler error in extract_insn, at recog.c:2132
Date: Sun, 2 Jun 2002 12:27:26 -0700
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...
r~