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To: Graham Stott <graham.stott@btinternet.com>
Cc: Roger Sayle <roger@eyesopen.com>, gcc@gcc.gnu.org
Subject: Re: gcc bootstrap broken on i686-linux-gnu
References: <Pine.LNX.4.33.0207290913510.22645-100000@www.eyesopen.com>
	<u8d6t6sfaj.fsf@gromit.moeb> <3D457AED.4090900@btinternet.com>
From: Andreas Jaeger <aj@suse.de>
Date: Thu, 01 Aug 2002 07:54:00 -0000
In-Reply-To: <3D457AED.4090900@btinternet.com> (Graham Stott's message of
 "Mon, 29 Jul 2002 18:27:09 +0100")
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Graham Stott <graham.stott@btinternet.com> writes:

> Andreas,
>
> I think Roger's patch just tickles a problem in the x86 backend.
>
> register_operand may also match SUBREG which isn't valid for the
> REGNO macro hence the abort when enable checking is enabled.
>
> I think the uses of FP_REGNO_P (REGNO (...)) should be FP_REG_P (...)
> which checks it's operand is a REG before checking the REGNO.
>
> I've got such a patch in the works.

The bootstrap problem still exists for me.  I haven't tested Graham's
patch but I've noticed that it's unreviewed and I expect it to solve
the problem.  Can somebody review it, please?

Thanks,
Andreas
-- 
 Andreas Jaeger
  SuSE Labs aj@suse.de
   private aj@arthur.inka.de
    http://www.suse.de/~aj