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[Bug target/49781] [x32] Unnecessary lea in x32 mode
- 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: Thu, 11 Aug 2011 12:55:11 +0000
- Subject: [Bug target/49781] [x32] Unnecessary lea in x32 mode
- Auto-submitted: auto-generated
- References: <bug-49781-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49781
--- Comment #46 from H.J. Lu <hjl.tools at gmail dot com> 2011-08-11 12:55:11 UTC ---
(In reply to comment #45)
> (In reply to comment #44)
> > Created attachment 24973 [details]
> > Patch that recognizes addresses, zero-extended with AND, v2.
> >
> > (In reply to comment #42)
> >
> > > It also caused:
> > >
> > > internal compiler error: output_operand: invalid expression as operand^M
> > > Please submit a full bug report,^M
> >
> > Oh, nice - we can just discard paradoxical subregs in this case. Please find
> > attached updated revision of the patch that avoids ICE.
>
> I am testing it now.
No regressions in GCC, glibc and SPEC CPU 2K/2006.