[PATCH][AArch64] Improve Cortex-A53 shift bypass

[Ramana Radhakrishnan]

On 6/28/17 1:49 PM, Wilco Dijkstra wrote:
> Ramana Radhakrishnan wrote:
>>      
>> I'm about to run home for the day but this came in from
>> https://gcc.gnu.org/ml/gcc-patches/2013-09/msg02109.html and James
>> said in that email that this was put in to ensure no segfaults on
>> cortex-a15 / cortex-a7 tuning.
> 
> The code is historical - an older version didn't specifically look just for
> shifts. Given we can only return shift rtx's now it's completely redundant.
> A bootstrap on armhf with --with-cpu=cortex-a15 passed.
> 

In which case - ok . thanks,

regards
Ramana

> Wilco
>      
>