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

[guotaiping1]

On Fri, 17 Dec 2021 03:37:34 GMT, Yadong Wang <yadongwang at openjdk.org> wrote:

>> Yanhong Zhu has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   modify RV64 to RISCV64
>
> 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.

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