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Re: [dataflow] remove try_auto_increment from regmove
- From: Jeffrey Law <law at redhat dot com>
- To: Paolo Bonzini <paolo dot bonzini at lu dot unisi dot ch>
- Cc: Kenneth Zadeck <zadeck at naturalbridge dot com>, GCC Patches <gcc-patches at gcc dot gnu dot org>, Steven Bosscher <stevenb dot gcc at gmail dot com>
- Date: Mon, 06 Nov 2006 10:30:40 -0700
- Subject: Re: [dataflow] remove try_auto_increment from regmove
- References: <454E2C31.firstname.lastname@example.org> <454E5C4E.email@example.com> <454EC7C7.firstname.lastname@example.org>
- Reply-to: law at redhat dot com
On Mon, 2006-11-06 at 06:27 +0100, Paolo Bonzini wrote:
> > I have no problem with this patch. I would like to see it go in.
> > However, the ppc only has pre* auto insns and the x86 has none.
> Yes, you're right about the ppc (the x86 bootstrap was only to be sure
> the patch triggered no warning, which would break the bootstrap on all
> machines). I'll hold on.
If you wanted to do a before/after assembly comparison, you might
try a generic m68k target. Or an SH target, which IIRC was the
original processor regmove was designed to help.