From: Roger Sayle <roger@eyesopen.com>
To: Graham Stott <graham.stott@btinternet.com>
Cc: Andreas Jaeger <aj@suse.de>, <gcc@gcc.gnu.org>
Subject: Re: gcc bootstrap broken on i686-linux-gnu
Date: Tue, 30 Jul 2002 03:31:00 -0000 [thread overview]
Message-ID: <Pine.LNX.4.33.0207291135130.23690-100000@www.eyesopen.com> (raw)
In-Reply-To: <3D457AED.4090900@btinternet.com>
Hi Graham,
> 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.
Excellent. Many thanks. I've just posted to the gcc list mentioning
my hypothesis that it could be the i386.md patterns at fault.
Roger
--
next prev parent reply other threads:[~2002-07-29 17:51 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-29 10:42 Andreas Jaeger
2002-07-29 16:46 ` Roger Sayle
2002-07-29 20:45 ` Andreas Jaeger
2002-07-30 2:09 ` Graham Stott
2002-07-30 3:31 ` Roger Sayle [this message]
2002-08-01 7:54 ` Andreas Jaeger
2002-08-01 9:04 ` Roger Sayle
2002-07-30 3:23 ` Roger Sayle
2002-07-29 21:30 John David Anglin
2002-07-30 3:30 ` Roger Sayle
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