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Re: AM33: enable inc4 for data registers...
- To: law at cygnus dot com
- Subject: Re: AM33: enable inc4 for data registers...
- From: Alexandre Oliva <aoliva at cygnus dot com>
- Date: 23 Apr 2000 20:27:19 -0300
- Cc: gcc-patches at gcc dot gnu dot org
- Organization: Cygnus Solutions, a Red Hat Company
- References: <2698.956517401@upchuck>
On Apr 23, 2000, Jeffrey A Law <law@cygnus.com> wrote:
> According to my manual "inc4" never modifies the condition code,
> regardless of what register is incremented. Is it possible you're
> confusing "inc4" with "inc"? "inc" will modify the condition codes
> in some cases.
> My manual may be older than yours and thus may be incorrect. I would
> recommend you double check your manual and be 100% sure before making
> this change. If indeed your manual indicates that "inc4" can modify
> the condition codes in some cases, then consider your patch approved.
I've just double-checked the Instruction Manual v0.92, available from
the Matsushita web pages, and it does indeed describe the behavior I
described, so I'm checking the patch in.
--
Alexandre Oliva Enjoy Guaranį, see http://www.ic.unicamp.br/~oliva/
Cygnus Solutions, a Red Hat company aoliva@{redhat, cygnus}.com
Free Software Developer and Evangelist CS PhD student at IC-Unicamp
oliva@{lsd.ic.unicamp.br, gnu.org} Write to mailing lists, not to me