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RE: __builtin_expect for indirect function calls
On 08 January 2008 15:36, Dave Korn wrote:
> On 07 January 2008 21:15, Mark Mendell wrote:
>> A question was raised: Are side effects in the second parameter guaranteed
>> to be executed? Is it valid for a compiler to ignore any side effects?
> That perked up my curiosity:
> " The value of C must be a compile-time constant. "
> Can a compile-time constant have run-time side-effects? I couldn't think
> up an example off the top of my head...
Ah, I thought of one, nevermind, sorry for the noise...
Can't think of a witty .sigline today....