RFR: Freeze functions [v3]

[Robbin Ehn]

On Thu, 21 Apr 2022 11:56:56 GMT, Robbin Ehn <rehn at openjdk.org> wrote:

>> 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.

I removed "int _cont_size"

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