Pengfei Li writes:
> This patch transforms RTL expressions of the form (subreg (not X)) into
> (not (subreg X)) if the subreg is an operand of another binary logical
> operation. This transformation can expose opportunities to combine more
> logical operations.
>
> For example, it improves the cod
This patch transforms RTL expressions of the form (subreg (not X)) into
(not (subreg X)) if the subreg is an operand of another binary logical
operation. This transformation can expose opportunities to combine more
logical operations.
For example, it improves the codegen of the following AArch64 N
