On Sun, Jun 12, 2005 at 10:14:51PM +1000, Nick Piggin wrote:
(...)
> const functions are those that don't have side effects and depend
> only on their argument list. So such functions can be CSE'ed or
> reordered.
>
> If it makes sense to use on any inline function, then I think it
> makes sense if they're only using asm. Actually I would have thought
> it would *only* help inline functions using asm, because gcc may
> not know that such asm is 'const'.
>
> But that's not to say they should be removed just because they
> can't help gcc - it may be instructive to the programmer, or more
> robust when making modifications to the code (eg. uninlining).
Thanks for the clarification, Nick.
Willy
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