[RFC] SHIFT_COUNT_TRUNCATED and shift_truncation_mask

[Jeff Law]

On 5/13/19 1:32 AM, Richard Sandiford wrote:
> 
> IMO we should only consider deprecating the macro.  I'm not sure how
> much practical effect that will have though.  cc0 was deprecated ages
> ago but we're a still a long way from getting rid of it. :-)
Yea, but (in theory) removing SHIFT_COUNT_TRUNCATED from a target ought
to be easier than removing cc0.

jeff