RFR: 8248238: Implementation of JEP: Windows AArch64 Support [v5]

[Bernhard Urban-Forster]

On Thu, 24 Sep 2020 04:52:22 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> Monica Beckwith has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Update orderAccess_windows_aarch64.hpp
>>   
>>   changing from Acq-reL to Sequential Consistency to avoid compiler reordering when no ordering hints are provided
>
> src/hotspot/share/runtime/stubRoutines.cpp line 397:
> 
>> 395:   // test safefetch routines
>> 396:   // Not on Windows 32bit until 8074860 is fixed
>> 397: #if ! (defined(_WIN32) && defined(_M_IX86)) && !defined(_M_ARM64)
> 
> The comment needs updating to refer to Aarch64.

This is actually not needed anymore, as it does work just fine on Windows+Aarch64. Presumably we have added it in the
early days of the port when we haven't figured out exception handling quite yet.

Thanks for catching David.

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PR: https://git.openjdk.java.net/jdk/pull/212