[RFA] m68k : replace some btst by movew to ccr

Andreas Schwab schwab@suse.de
Wed Apr 11 15:56:00 GMT 2007


Philippe De Muyter <phdm@macqel.be> writes:

> Hi all,
>
> A simple patch that I use already for years for a whole uClinux-dist system.
>
> OK to apply ?

How did you test that, both in terms of correctness and profitability?  On
the 68020 btst has a better best case performance than move to ccr, and on
the 68040 btst is faster.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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