Feature request: First class labels
Daniel Keep
daniel.keep.lists at gmail.com
Sun May 6 18:36:18 PDT 2007
janderson wrote:
> Daniel Keep wrote:
>>> void padd(ubyte[] a, ubyte[] b)
>>> {
>>> selectSSE2:
>>> invariant if( cpuid.hasSSE2 )
>>> {
>>> // SSE2 implementation
>>> }
>>> else
>>> {
>>> // Software implementation
>>> }
>>> }
>>>
>>> void reset_padd()
>>> {
>>> break padd.selectSSE2;
>>> }
> What about if the compiler just detected the use of a constant, and you
> didn't have to do anything be specify the variables as const. Also the
> compiler could do a better optimisation on those loops by taking the
> jump out all together and having 4 separate loops.
>
> -Joel
If the contents of the conditional were constant, you could just use
static if and remove the branch altogether.
-- Daniel
--
int getRandomNumber()
{
return 4; // chosen by fair dice roll.
// guaranteed to be random.
}
http://xkcd.com/
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