[PATCH][X86] Teach the backend how to lower vector shift left into multiply rather than scalarizing it.

[Nadav Rotem]

Thank you for working on it.  :) 

On Feb 12, 2014, at 3:20 PM, Nadav Rotem <nrotem at apple.com> wrote:

> LGTM!  
> 
> On Feb 12, 2014, at 1:52 PM, Andrea Di Biagio <andrea.dibiagio at gmail.com> wrote:
> 
>> <patch-cost-model-v3.diff>
>