Eric Botcazou writes:
>> 2016-11-15 Richard Sandiford
>> Alan Hayward
>> David Sherwood
>>
>> * rtlanal.c (num_sign_bit_copies1): Calculate bitwidth after
>> handling VOIDmode.
>
> OK, thanks, but please change the comment too, I think "For a smaller mode"
> 2016-11-15 Richard Sandiford
> Alan Hayward
> David Sherwood
>
> * rtlanal.c (num_sign_bit_copies1): Calculate bitwidth after
> handling VOIDmode.
OK, thanks, but please change the comment too, I think "For a smaller mode"
would be less confusing.
--
[ This patch is part of the SVE series posted here:
https://gcc.gnu.org/ml/gcc/2016-11/msg00030.html ]
The old assignment to bitwidth was before we handled VOIDmode with:
if (mode == VOIDmode)
mode = GET_MODE (x);
so when VOIDmode was specified we would always use:
if (bitwidth < GET_
