RFR: 8339783: Implement JEP 479: Remove the Windows 32-bit x86 Port [v12]

[Magnus Ihse Bursie]

On Wed, 30 Oct 2024 00:07:33 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

>> Magnus Ihse Bursie has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   adlc need _CRT_NONSTDC_NO_WARNINGS as well... *sigh*
>
> src/hotspot/cpu/x86/sharedRuntime_x86_32.cpp line 1433:
> 
>> 1431: 
>> 1432:   int stack_size = stack_slots * VMRegImpl::stack_slot_size;
>> 1433: 
> 
> I think it might be better to keep this comment.  It might be helpful information for someone who
> needs to touch this code between now and when we remove all 32bit x86 support (which might
> be soonish, but not immediate).  And this comment will go away when that change happens.

Ok. 

Many of these changes were made in the jdk-sandbox before the JEP to deprecate all 32-bit x86 code was created, and in that perspective, it made more sense to actually properly clean out the Windows things from the x86 code.

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PR Review Comment: https://git.openjdk.org/jdk/pull/21744#discussion_r1822396126