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Re: ARM patch: Fix Thumb addsi3_cbranch pattern
- From: Richard Earnshaw <rearnsha at arm dot com>
- To: Bernd Schmidt <bernds at codesourcery dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Tue, 23 Mar 2010 13:05:17 +0000
- Subject: Re: ARM patch: Fix Thumb addsi3_cbranch pattern
- References: <4BA12385.1000106@codesourcery.com> <4BA8A245.8010403@codesourcery.com>
On Tue, 2010-03-23 at 12:13 +0100, Bernd Schmidt wrote:
> On 03/17/2010 07:46 PM, Bernd Schmidt wrote:
> > While testing a different patch, a testsuite failure led me to discover
> > a problem with the addsi3_cbranch pattern in arm.md.
>
> > * config/arm/arm.md (addsi3_cbranch): If destination is a high
> > register, inputs must be low registers and we need a low register
> > scratch. Handle alternative 2 like alternative 3.
>
> Ping?
>
>
> Bernd
Is there a PR for this? At this stage we really should be focused on
closing out critical bugs.
R.