------- 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 <[EMAIL PROTECTED]>
Roger Sayle <[EMAIL PROTECTED]>
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
