Messages in this thread | | | Date | Thu, 29 May 2008 01:40:33 -0700 | From | Andrew Morton <> | Subject | Re: optimizing out inline functions |
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On Wed, 28 May 2008 22:54:47 +0300 "Pekka Enberg" <penberg@cs.helsinki.fi> wrote:
> On Wed, May 28, 2008 at 10:51 PM, Steve French <smfrench@gmail.com> wrote: > > Is one or the other style (with or without #define of empty function) > > preferred? Does the compiler optimize both #else clauses out > > properly? sparse and checkpatch seem to take either > > Both are optimized out but empty function is preferred for type checking.
Plus the inlined function can help suppress unused-var warnings because it counts as a "use".
Sometimes this works the other way and the argument to the macro/inline just doesn't exist, in which case we're forced to use a macro for the stub.
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