------- Comment #5 from rguenther at suse dot de 2009-01-18 17:42 -------
Subject: Re: [4.3 Regression] 464.h264ref in SPEC
CPU 2006 miscompiled
On Sun, 18 Jan 2009, hjl dot tools at gmail dot com wrote:
> ------- Comment #4 from hjl dot tools at gmail dot com 2009-01-18 17:39
> -------
> (In reply to comment #3)
> > Can you check if it is fixed by -fno-strict-aliasing and/or
> > --param max-fields-for-field-sensitive=0? I suspect we need to
> > backport some PTA fixes :/
> >
>
> Either -fno-strict-aliasing or --param max-fields-for-field-sensitive=0
> fixed this.
I would guess that
2008-11-25 Daniel Berlin <dber...@dberlin.org>
Richard Guenther <rguent...@suse.de>
PR tree-optimization/37869
* tree-ssa-structalias.c (struct constraint_graph): Remove
pt_used and number_incoming members.
(build_pred_graph): Do not allocate them.
(condense_visit): Do not use them.
(label_visit): Likewise.
(free_var_substitution_info): Do not free them.
might fix it, but of course a testcase would be nice to have.
Thx for tracking this down btw.
Richard.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38905
