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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: Mon, 8 Aug 2011 13:35:20 +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 #33 from H.J. Lu <hjl.tools at gmail dot com> 2011-08-08 13:34:47 UTC ---
(In reply to comment #32)
> (In reply to comment #31)
> > (In reply to comment #29)
> > > Created attachment 24938 [details]
> > > WIP patch that exploits addr32.
> > >
> > > New version of patch for testing. Survives bootstrap + regtest on
> > > x86_64-pc-linux-gnu.
> >
> > Oh, I forgot to add MEM_P ..., so please change the condition to:
> >
> > if (TARGET_64BIT
> > && MEM_P (x)
> >
> > && GET_MODE_SIZE (mode) > UNITS_PER_WORD
> > && rclass == GENERAL_REGS
> > && !offsettable_memref_p (x))
> >
> > Patch still works OK.
>
> I am testing it now.
It works. There are no regressions in GCC, glibc and SPEC CPU
2000/2006. Thanks.