[Bug 6727] Implement Extended Swizzle (OPCODE_SWZ) for vertex programs

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------- Additional Comments From rsc...@gm...  2006-04-26 02:57 -------
Any reason why it uses OP_MAD (or OP_MAD_2) instead of OP_ADD? Maybe it never
makes a difference, but even then I would think it's a better strategy to not
force that multiplier to get used. (Not to mention that a architecture-dependant
optimizer should always be able to optimize that whole instruction away on r300.)          
     
     
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