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Re: CLASS_CANNOT_CHANGE_MODE and CANNOT_CHANGE_MODE_CLASS in df.c
- From: Michael Matz <matz at suse dot de>
- To: Andreas Jaeger <aj at suse dot de>
- Cc: gcc at gcc dot gnu dot org
- Date: Sat, 31 May 2003 00:25:45 +0200 (CEST)
- Subject: Re: CLASS_CANNOT_CHANGE_MODE and CANNOT_CHANGE_MODE_CLASS in df.c
Hi,
On Fri, 30 May 2003, Andreas Jaeger wrote:
> We currently have in df.c uses of CLASS_CANNOT_CHANGE_MODE which is
> nowhere defined - and also have the macro CANNOT_CHANGE_MODE_CLASS.
Yes. I have a patch for this, which I need to retest on head. It
sometime produces quite suboptimal code, though, which is why I simply
ignored that particular problem on mainline.
> My question is now whether the code in df.c is wrong and we should do
> a s/CLASS_CANNOT_CHANGE_MODE/CANNOT_CHANGE_MODE_CLASS/; or whether
> that macro can be removed completly.
A simple s/// or a remove are no option, no.
> Are you sure that this is intented?
Yes.
Ciao,
Michael.