[PATCH] [AArch64] Simplify scalar dup by lane0 for fp

[Jiangning Liu]

The llvm patch I previously sent out is incorrect, and now attach the new
one.

Thanks,
-Jiangning


2013/12/20 Jiangning Liu <liujiangning1 at gmail.com>

> Hi,
>
> For scalar fp data type, we use s0/d0, which is actually a shared register
> with VFP v0, so dup by lane0 for fp should not generate redundant scalar
> dup instruction.
>
> --
> Thanks,
> -Jiangning
>



-- 
Thanks,
-Jiangning
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