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.

Wilco
    

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