On Tue, Oct 02, 2018 at 11:19:06AM -0500, Richard Henderson wrote:
> Do not zero-extend the input to the cas for subword operations;
> instead, use the appropriate zero-extending compare insns.
> Correct the predicates and constraints for immediate expected operand.
OK, modulo two very dull style
Do not zero-extend the input to the cas for subword operations;
instead, use the appropriate zero-extending compare insns.
Correct the predicates and constraints for immediate expected operand.
* config/aarch64/aarch64.c (aarch64_gen_compare_reg_maybe_ze): New.
(aarch64_split_compa