https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56069
vfdff <zhongyunde at huawei dot com> changed:
What |Removed |Added
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CC| |zhongyunde at huawei dot com
--- Comment #20 from vfdff <zhongyunde at huawei dot com> ---
>
> Preferred/alternative class is misleading here. It is not used anywhere in
> IRA/LRA for allocation decision (but may be it is used by reload -- i don't
> remember). It is only used as a temporary result for allocno class
> calculation.
>
In the newest GCC 9.x , Does the Preferred/alternative class still not used in
LRA ?
