RFR: 8264543: Cross modify fence optimization for x86 [v5]

[Xubo Zhang]

On Mon, 2 Aug 2021 07:32:08 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> Xubo Zhang has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   fix _MSC_VER check
>
> src/hotspot/os_cpu/windows_x86/orderAccess_windows_x86.hpp line 64:
> 
>> 62: #if _MSC_VER >= 1927
>> 63: {
>> 64: //_serialize() ntrinsic is supported starting from VS2019-16.7.2
> 
> 16.7.2 is the earliest I could look at, but it could be supported earlier. Also _MSC_VER of 1927 would start with 16.7.0 so it wouldn't quite be right to test for that if it only come in with 16.7.2.
> 
> Typo: ntrinsic

I changed to 1928 to be on the safe side

-------------

PR: https://git.openjdk.java.net/jdk/pull/4848