[macstl-dev] generator.h question

[Glen Low]

On 02/07/2005, at 5:40 AM, Ilya Lipovsky wrote:

> Glen,
> By the way, speaking of generator.h... why is it inside the debug  
> ifdef statement?
> -Ilya

generator.h used to be the implementation of Holger Bettag's 65536+  
generated Altivec constants, although I've pared it down to just  
combinations of 2 VPERM opcodes to avoid overloading the compiler. In  
the end the file is still pretty large and tends to slow down  
compilation a lot, so I fenced it with #ifndef NDEBUG for developers  
who want that extra performance.

In the (short) future I'll be splitting it into generator_altivec.h  
and generator_mmx.h and putting some generated MMX/SSE constants into  
the latter.

Cheers, Glen Low


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