On 07/13/2017 02:53 AM, Richard Sandiford wrote:
> This patch makes simplify_shift_const_1 use scalar_int_modes
> for all code that is specific to scalars rather than vectors.
> This includes situations in which the new shift mode is different
> from the original one, since the function never changes the mode
> of vector shifts. That in turn makes it more natural to test for
> equal modes in simplify_shift_const_1 rather than try_widen_shift_mode
> (which only applies to scalars).
>
> 2017-07-13 Richard Sandiford <richard.sandif...@linaro.org>
> Alan Hayward <alan.hayw...@arm.com>
> David Sherwood <david.sherw...@arm.com>
>
> gcc/
> * combine.c (try_widen_shift_mode): Move check for equal modes to...
> (simplify_shift_const_1): ...here. Use scalar_int_mode for
> shift_unit_mode and for modes involved in scalar shifts.
OK.
Jeff
