RFR: 8339783: Implementation of JEP 479: Remove the Windows 32-bit x86 Port

[David Holmes]

On Mon, 28 Oct 2024 19:17:54 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> This is the implementation of [JEP 479: _Remove the Windows 32-bit x86 Port_](https://openjdk.org/jeps/479).
>> 
>> This is the summary of JEP 479:
>>> Remove the source code and build support for the Windows 32-bit x86 port. This port was [deprecated for removal in JDK 21](https://openjdk.org/jeps/449) with the express intent to remove it in a future release.
>
> src/hotspot/os/windows/os_windows.cpp line 136:
> 
>> 134:   #define __CPU__ amd64
>> 135: #else
>> 136:   #define __CPU__ unknown
> 
> Should this be just `#error Unknown CPU`?

+1

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PR Review Comment: https://git.openjdk.org/jdk/pull/21744#discussion_r1820365629