[riscv-port] RFR: 8278994: riscv: RVC support [v6]
Xiaolin Zheng
xlinzheng at openjdk.java.net
Thu Jan 6 08:12:11 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 incrementally with five additional commits since the last revision:
- 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
-------------
Changes:
- all: https://git.openjdk.java.net/riscv-port/pull/34/files
- new: https://git.openjdk.java.net/riscv-port/pull/34/files/84de97e9..e0de8c92
Webrevs:
- full: https://webrevs.openjdk.java.net/?repo=riscv-port&pr=34&range=05
- incr: https://webrevs.openjdk.java.net/?repo=riscv-port&pr=34&range=04-05
Stats: 2004 lines in 5 files changed: 1016 ins; 902 del; 86 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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