I have tested this patch on mips64el: No regression.
Richard Sandiford 于2023年12月30日周六 23:35写道：
>
> Ping^3
>
I am testing it on MIPS.
> --- a/gcc/common/config/aarch64/aarch64-common.cc
> +++ b/gcc/common/config/aarch64/aarch64-common.cc
> @@ -55,6 +55,7 @@ static const struct default_options
> aarch_option_optimization_table[] =
> {
Ping^3
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This patch adds a combine pass that runs late in the pipeline.
There are two instances: one between combine and split1, and one
after postreload.
The pass currently has a single objective: remove definitions by
substituting into all uses. The pre-RA version tries to restrict
itself
