Wilco Dijkstra <wilco.dijks...@arm.com> writes:
> Since all Armv9 cores support shifted LDRH/STRH, use the correct cost of zero
> for these.
>
> Passes regress, OK for commit?
>
> gcc:
> * config/aarch64/tuning_models/generic_armv9_a.h
> (generic_armv9_a_addrcost_table): Use zero cost for himode.
OK if there are no objections in 24 hours.
I suppose at some point we should also update the cortex-a510 and cortex-a520
entries in aarch64-cores.def to use a more up-to-date tuning structure.
Richard
>
> ---
>
> diff --git a/gcc/config/aarch64/tuning_models/generic_armv9_a.h
> b/gcc/config/aarch64/tuning_models/generic_armv9_a.h
> index
> f76a2506f3841a05a89285e50ad96c8665732955..9eb1a20d3c4e5d5a3b6c8bf8a2c341a82ac8f7da
> 100644
> --- a/gcc/config/aarch64/tuning_models/generic_armv9_a.h
> +++ b/gcc/config/aarch64/tuning_models/generic_armv9_a.h
> @@ -26,7 +26,7 @@
> static const struct cpu_addrcost_table generic_armv9_a_addrcost_table =
> {
> {
> - 1, /* hi */
> + 0, /* hi */
> 0, /* si */
> 0, /* di */
> 1, /* ti */
