[Bug target/20126] [3.3/3.4/4.0 Regression] Inlined memcmp makes one argument null on entry

[jakub at redhat dot com]

------- Additional Comments From jakub at redhat dot com  2005-04-13 11:38 -------
Subject: Re:  [3.3/3.4/4.0 Regression] Inlined memcmp makes one argument null on entry

On Wed, Apr 13, 2005 at 12:05:35PM +0200, Bernd Schmidt wrote:
> Jakub Jelinek wrote:
> >	PR target/20126
> >	* loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
> >	set the original address pseudo to the correct value before the
> >	original insn, if possible, and leave the insn alone, otherwise
> >	create a new pseudo, set it and replace it in the insn.
> >	* recog.c (validate_change_maybe_volatile): New.
> >	* recog.h (validate_change_maybe_volatile): Declare.
> >
> This doesn't appear to match the patch you posted.

Oops.  Is:
2005-04-13  Alexandre Oliva  <aoliva@redhat.com>
	    Roger Sayle  <roger@eyesopen.com>

	PR target/20126
	* loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
	signal that all GIVs couldn't be reduced.

	* gcc.dg/pr20126.c: New.
better?

	Jakub


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20126