RFR: 8329331: Intrinsify Unsafe::setMemory [v20]

[Jorn Vernee]

On Mon, 15 Apr 2024 22:22:38 GMT, Sandhya Viswanathan <sviswanathan at openjdk.org> wrote:

>> Scott Gibbons has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fix memory mark after sync to upstream
>
> src/hotspot/cpu/x86/stubGenerator_x86_64_arraycopy.cpp line 2686:
> 
>> 2684:       __ movq(rdx, rsi);
>> 2685:       restore_arg_regs();
>> 2686: #endif
> 
> This is stubGenerator_x86_64.cpp 64bit specific, so WIN32 portion could be removed?

`_WIN32` is also defined for 64 bit Windows

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PR Review Comment: https://git.openjdk.org/jdk/pull/18555#discussion_r1566523189