This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
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: gcc-gnats at gcc dot gnu dot org, gcc-bugs at gcc dot gnu dot org
- Date: Tue, 28 May 2002 10:53:15 -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>
On Tue, May 28, 2002 at 03:54:54AM -1000, Glen Nakamura wrote:
> I believe the following patch is the cause of this PR:
>
> 2002-05-15 Eric Botcazou <ebotcazou@multimania.com>
>
> * fold-const.c (fold) [LT_EXPR]: Move the transformation of a
I doubt it.
The problem is that +128 is not a valid QImode constant.
It should have been rendered as -128. This should have
happened during the conversion to rtl, not in the tree
folding code that Eric touched.
That's not to say that his patch didn't expose a latent bug...
r~