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Re: [PATCH] improve index register recognition
- From: Richard Henderson <rth at redhat dot com>
- To: Roman Zippel <zippel at linux-m68k dot org>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Thu, 2 Sep 2004 22:20:45 -0700
- Subject: Re: [PATCH] improve index register recognition
- References: <Pine.LNX.4.58.0408100111260.16587@scrub.home>
On Tue, Aug 10, 2004 at 01:19:35AM +0200, Roman Zippel wrote:
> (plus (sign_extract ((mult (reg %d0) 2)) 17 15) (reg %a0))
>
> which corresponds to (%a0,%d0.w*2).
Hum, I guess. I'd rather not add codes at random here. I think
we can safely characterize the index as !OBJECT_P though.
r~