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Re: frame pointer must be single register?


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On 07/08/11 11:07, DJ Delorie wrote:
> Is there an unwritten rule that the frame pointer must be a single
> hard register?  I'm working on a port where $fp is a register pair,
> and I've seen gcc allocate the second register to other things
> (causing all sorts of problems).
It's certainly caused problems (some of which I believe have been fixed
within the last year or so)...  I think there's a port (AVR?) that may
have similar characteristics.

jeff

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