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[Bug middle-end/47379] fwprop1 generates bad codes for x32
- From: "hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 26 Jan 2011 15:39:18 +0000
- Subject: [Bug middle-end/47379] fwprop1 generates bad codes for x32
- Auto-submitted: auto-generated
- References: <bug-47379-4@http.gcc.gnu.org/bugzilla/>
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.