http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47379
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
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CC| |amodra at gmail dot com,
| |ubizjak at gmail dot com
--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> 2011-01-26 15:39:05
UTC ---
This regression may be introduced by revision 151022:
http://gcc.gnu.org/ml/gcc-cvs/2009-08/msg00704.html
Propagate zero extended register is bad for x86-64.
