[riscv-port] RFR: 8278994: riscv: RVC support [v10]
Xiaolin Zheng
xlinzheng at openjdk.java.net
Fri Jan 7 08:36:47 UTC 2022
> Hi team,
>
> This patch includes the basic definition of the RVC instruction set and some cleanups. Tested a simple `test/hotspot/jtreg/compiler/` folder on qemu.
>
> Using `<JAVA_HOME>/bin/java -XX:+UnlockExperimentalVMOptions -XX:+UseRVC -XX:+UnlockDiagnosticVMOptions -XX:+PrintAssembly -XX:PrintAssemblyOptions=no-aliases,numeric -XX:+PrintStubCode -XX:-TieredCompilation` could show RVC instructions.
>
> Thanks,
> Xiaolin
Xiaolin Zheng has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 14 commits:
- Move RVC code to the proper location after rebasing (#42)
- Rename misc functions and change the positions of some comments
- Remove remaining macros as discussions
- Remain an 'minimum_alignment' unchanged
- Manually inline all macros into functions as discussions
- Remove assembler_riscv_c.hpp as discussions
- Remove COMPRESSIBLE & NOT_COMPRESSIBLE macros by adding one layer as discussions
- Fix remaining CEXT -> RVC
- Remove Alignment-related changes as discussions
- Update licenses to the new year
- ... and 4 more: https://git.openjdk.java.net/riscv-port/compare/c7944edf...2a6ff151
-------------
Changes: https://git.openjdk.java.net/riscv-port/pull/34/files
Webrev: https://webrevs.openjdk.java.net/?repo=riscv-port&pr=34&range=09
Stats: 1255 lines in 12 files changed: 1171 ins; 10 del; 74 mod
Patch: https://git.openjdk.java.net/riscv-port/pull/34.diff
Fetch: git fetch https://git.openjdk.java.net/riscv-port pull/34/head:pull/34
PR: https://git.openjdk.java.net/riscv-port/pull/34
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