RFR: 8284949: riscv: Add Zero support for the 32-bit RISC-V architecture [v3]

[Yadong Wang]

On Wed, 20 Apr 2022 02:11:54 GMT, Feilong Jiang <fjiang at openjdk.org> wrote:

>> This patch adds Zero support for the 32-bit RISC-V architecture.
>> 
>> Additional tests:
>> 
>> - [x] Linux zero RISCV32 cross-compilation
>> - [x] Resulting binaries run on QEMU User mode without problems
>
> 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 three additional commits since the last revision:
> 
>  - Merge branch 'master' of https://github.com/openjdk/jdk into rv32-zero
>  - adjust SYS_futex define for RISCV32
>  - Add support for 32-bit risc-v zero

Marked as reviewed by yadongwang (Author).

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

PR: https://git.openjdk.java.net/jdk/pull/8284