[riscv-port] RFR: 8278895: riscv: Rename Riscv64 to RISCV64 [v2]

[Yanhong Zhu]

On Fri, 17 Dec 2021 05:36:52 GMT, guotaiping1 <duke at openjdk.java.net> wrote:

>> src/hotspot/cpu/riscv/vm_version_riscv.cpp line 182:
>> 
>>> 180:   _no_of_sockets = _no_of_cores;
>>> 181:   snprintf(_cpu_name, CPU_TYPE_DESC_BUF_SIZE - 1, "RISCV64");
>>> 182:   snprintf(_cpu_desc, CPU_DETAILED_DESC_BUF_SIZE, "RISCV64%s", _features_string);
>> 
>> Keep it here. It's supposed to be RV64.
>
> 'RV64' will cause the test/jdk/jdk/jfr/event/os/TestCPUInformation.java case fail.

Done.

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PR: https://git.openjdk.java.net/riscv-port/pull/33