[riscv-port] RFR: 8282415: riscv: Rename StubRoutines::riscv64 to StubRoutines::riscv [v2]

[Fei Yang]

On Sat, 26 Feb 2022 07:16:54 GMT, Feilong Jiang <fjiang at openjdk.org> wrote:

>> Rename `SubRoutine::riscv64` to `SubRoutine::riscv`, just like the PPC64 port.
>> 
>> Tier1 tests on QEMU are passed without new faliures.
>
> Feilong Jiang has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:
> 
>  - Merge branch 'riscv-port' of https://github.com/openjdk/riscv-port into rename
>  - 8282415: riscv: Rename StubRoutines::riscv64 to StubRoutines::riscv

This will make the code more consistent. Thanks.

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Marked as reviewed by fyang (Lead).

PR: https://git.openjdk.java.net/riscv-port/pull/60