RFR: 8339783: Implement JEP 479: Remove the Windows 32-bit x86 Port [v13]

[David Holmes]

On Tue, 29 Oct 2024 20:22:03 GMT, Magnus Ihse Bursie <ihse 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.
>
> Magnus Ihse Bursie has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Fix 32/64-bit confusion in comment in VirtualMachineImpl.c

Hotspot updates look good.

src/hotspot/os_cpu/windows_x86/os_windows_x86.cpp line 382:

> 380:                  i, xmm[1], xmm[0]);
> 381:   }
> 382:   st->print("  MXCSR=" UINT32_FORMAT_X_0, uc->MxCsr);

Is this moved from somewhere else?

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PR Review: https://git.openjdk.org/jdk/pull/21744#pullrequestreview-2403423258
PR Review Comment: https://git.openjdk.org/jdk/pull/21744#discussion_r1821766707