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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: Glen Nakamura <glen at imodulo dot com>
- Cc: Eric Botcazou <ebotcazou at libertysurf dot fr>, gcc-gnats at gcc dot gnu dot org, gcc-bugs at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org
- Date: Sun, 2 Jun 2002 12:27:26 -0700
- Subject: Re: optimization/6822: GCC 3.1.1 - Internal compiler error in extract_insn, at recog.c:2132
- References: <20020528035454.A6106@modulo.internal.net> <20020528105315.A3113@redhat.com> <00ad01c206a1$7937da40$1f0e81d4@zephyr> <20020528173301.A6889@modulo.internal.net>
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~