[ECOS] PowerPC mnemonics

Peter Graf p.graf@itknet.de
Mon Jan 26 10:56:00 GMT 2004


Nick Garnett wrote:

>Peter Graf <p.graf@itknet.de> writes:
>
>  
>
>>Hi,
>>
>>could someone point me to a documentation of the GNU assembler
>>mnemonics for the PowerPC? I use a manual from Motorola, but the
>>mnemonics there seem incompatible to the GNU ones. (Sorry for being
>>slightly OT. Trying to read eCos startup code :-)
>>    
>>
>
>The actual instruction set mnemonics should match, I've certainly not
>noticed any differences.
>
Just a few quick examples: lwi, lis, li are not in the Motorola manual.
Vice versa I also tried some mnemonics from the Motorola manual, which 
GCC wouldn't accept.

>The assembler directives will probably be
>different, we tend to use the GCC standard ones rather than any that
>are there for compatibility with manufacturers assemblers. The GCC
>assembler directives should be described in the GCC documentation.
>
>  
>
Peter


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