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Re: [RFA] PowerPC ISA 2.04 support


On Wed, Feb 27, 2008 at 02:24:45PM -0600, Edmar Wienskoski wrote:
> Freescale would like to contribute this patch to binutils. It implements 
> new instructions that are available on Power ISA 2.04
> 
> Could some PowerPC maintainer review and commit the patch ?

With the exception of -maltivec and -mspe, other -m options that
select instruction sets always select the entire instruction set.  It
seems odd to me that -misa204 should be different in this respect.
Even -maltivec and -mspe select a base set if no other -m<cpu> is
given.  As a naive user, I'd expect -misa204 would select all ISA 2.04
instructions..  I guess I'd be happier if you called the option
-membedded.

> +  18:	7d 4b 60 3a 	maskg   r11,r10,r12

My copy is 2.04 says maskg is an instruction deleted from that version
of the ISA.

-- 
Alan Modra
Australia Development Lab, IBM


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