Unrolling loops

Robert Fraser fraserofthenight at gmail.com
Mon Mar 10 17:29:36 PDT 2008

Simen Kjaeraas wrote:
> Is it possible to unroll loops in D2.0? I have a templated struct with a static array with length set through a template parameter. Does that get automatically unrolled with 4 elements (I doubt it), do I have to use some magic string mixin, or could I fix this with tuples and their automatic loop unrolling?
> Actually, that latter one is worth a question of its own. Can I convert a static array into a tuplem and if so, how?
> -- Simen

If the compiler knows it to be 4 elements at the code generation stage 
(which it will if it's a static array - template resolution is done in 
the semantic pass, so it doesn't matter if it's from a template or coded 
directly in), it should probably unroll it. Check the assembly.

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