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From: Richard Henderson <rth@redhat.com>
To: nobody@gcc.gnu.org
Cc: gcc-prs@gcc.gnu.org,
Subject: Re: optimization/6822: GCC 3.1.1 - Internal compiler error in extract_insn, at recog.c:2132
Date: Tue, 28 May 2002 11:00:00 -0000	[thread overview]
Message-ID: <20020528175603.6386.qmail@sources.redhat.com> (raw)

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: gcc-gnats@gcc.gnu.org, gcc-bugs@gcc.gnu.org
Subject: Re: optimization/6822: GCC 3.1.1 - Internal compiler error in extract_insn, at recog.c:2132
Date: Tue, 28 May 2002 10:53:15 -0700

 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~


             reply	other threads:[~2002-05-28 17:56 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-05-28 11:00 Richard Henderson [this message]
  -- strict thread matches above, loose matches on Subject: below --
2002-06-02 13:06 Glen Nakamura
2002-06-02 12:36 Richard Henderson
2002-05-30 16:56 rth
2002-05-29 12:16 Richard Henderson
2002-05-29 10:36 Richard Henderson
2002-05-29  9:44 Glen Nakamura
2002-05-29  9:16 Eric Botcazou
2002-05-29  0:46 Glen Nakamura
2002-05-28 18:16 Glen Nakamura
2002-05-28 17:16 Eric Botcazou
2002-05-28 16:36 Eric Botcazou
2002-05-28  8:16 Glen Nakamura
2002-05-28  7:10 Glen Nakamura
2002-05-26 16:46 paolo
2002-05-26 12:26 glen

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