RFR: JDK-8294947: Use 64bit atomics in patch_verified_entry on x86_64 [v2]

[Dmitry Samersoff]

On Sat, 12 Nov 2022 00:40:01 GMT, Vladimir Ivanov <vlivanov at openjdk.org> wrote:

>> Dmitry Samersoff has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   JDK-8294947: Use 64bit atomics in patch_verified_entry on x86_64
>
> src/hotspot/cpu/x86/nativeInst_x86.cpp line 513:
> 
>> 511: void NativeJump::patch_verified_entry(address entry, address verified_entry, address dest) {
>> 512:   // complete jump instruction (to be inserted) is in code_buffer;
>> 513: #ifdef AMD64
> 
> Just a minor suggestion: `_LP64` is more appropriate here since it's x86-specific file.

done

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PR: https://git.openjdk.org/jdk/pull/11059