Re: [50/77] Add helper routines for SUBREG_PROMOTED_VAR_P subregs

[Jeff Law]

On 07/13/2017 02:56 AM, Richard Sandiford wrote:
> When subregs contain promoted values, as indicated by
> SUBREG_PROMOTED_VAR_P, both the unpromoted (outer) and
> promoted (inner) values are known to be scalar integers.
> This patch adds helper routines that get the modes as
> scalar_int_modes.
> 
> 2017-07-13  Richard Sandiford  <richard.sandif...@linaro.org>
>           Alan Hayward  <alan.hayw...@arm.com>
>           David Sherwood  <david.sherw...@arm.com>
> 
> gcc/
>       * rtl.h (subreg_unpromoted_mode, subreg_promoted_mode): New functions.
>       * expr.c (convert_move): Use them.
>       (convert_modes): Likewise.
>       (store_expr_with_bounds): Likewise.
OK
jeff