[Bug middle-end/38905] [4.3 Regression] 464.h264ref in SPEC CPU 2006 miscompiled

[rguenther at suse dot de]

------- Comment #3 from rguenther at suse dot de  2009-01-18 17:21 -------
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 #2 from hjl dot tools at gmail dot com  2009-01-18 17:19 -------
> (In reply to comment #1)
> > It is caused by revision 142040:
> > 
> > http://gcc.gnu.org/ml/gcc-cvs/2008-11/msg00541.html
> > 
> 
> The patch is at
> 
> http://gcc.gnu.org/ml/gcc-patches/2008-11/msg01040.html

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 :/

Richard.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38905