rearnsha@arm.com said:
> 
> 	-march=armv3m	-- Use architecture 3 plus enhanced multiply
> 			   instructions (Compatible with RISC PC) 


Arghh!  followup to my own post.  I should clarify that this is compatible 
with a RISC PC with a strongarm; it is not compatible with arm6/7 
processors.

Sharks and Cats machines can of course run any code up to archv4 (but not 
archv4t, aka Thumb).

Richard.