RFR: Freeze functions [v3]

[Robbin Ehn]

On Wed, 20 Apr 2022 12:22:57 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> Robbin Ehn has refreshed the contents of this pull request, and previous commits have been removed. Incremental views are not available.
>
> src/hotspot/share/runtime/continuationFreezeThaw.cpp line 348:
> 
>> 346:   intptr_t* _cont_stack_bottom;
>> 347:   int _cont_size;
>> 348: 
> 
> I know these are in logical grouping and it's a StackObj, but can you move the two bools to after cont_size to minimize alignment gaps.  Also there are three sizes now in this class.  Can we have bigger comments for what each means in the declaration?  I think this will be helpful for the abstraction.

Why do you care about alignment? These are like local variables.

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PR: https://git.openjdk.java.net/loom/pull/156