Re: optimization/6822: GCC 3.1.1 - Internal compiler error in extract_insn, at recog.c:2132

[Glen Nakamura <glen@imodulo.com>]

The following reply was made to PR optimization/6822; it has been noted by GNATS.

From: Glen Nakamura <glen@imodulo.com>
To: Richard Henderson <rth@redhat.com>,
	Eric Botcazou <ebotcazou@libertysurf.fr>, 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