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

[Jiangning Liu]

Committed as 198194 and 198195.


2013/12/30 Jiangning Liu <liujiangning1 at gmail.com>

> 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
>



-- 
Thanks,
-Jiangning
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