Messages in this thread | | | Date | Sun, 12 Jun 2005 14:35:08 +0200 | From | Willy Tarreau <> | Subject | Re: [PATCH 2.4.31 7/9] gcc4: fix const function warnings |
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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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