[riscv-port] RFR: 8279996: riscv: RVB: Add zeros/population count instructions [v2]
Feilong Jiang
fjiang at openjdk.java.net
Fri Jan 14 07:09:24 UTC 2022
> This PR implements zeros and population count instructions: `clz`/`clzw`/`ctz`/`ctzw`/`cpop`/`cpopw`.
>
> New C2 instructions are covered by the following JTREG tests:
> - test/hotspot/jtreg/compiler/codegen/Test6823354.java
> - test/hotspot/jtreg/compiler/codegen/Test7100757.java
> - test/hotspot/jtreg/compiler/codegen/Test8005033.java
>
> Hotspot and jdk tier1 tests on QEMU (with UseRVB) are passed without new failures.
Feilong Jiang has updated the pull request incrementally with one additional commit since the last revision:
update license to new year
-------------
Changes:
- all: https://git.openjdk.java.net/riscv-port/pull/45/files
- new: https://git.openjdk.java.net/riscv-port/pull/45/files/e8cd88e5..e4fb09d0
Webrevs:
- full: https://webrevs.openjdk.java.net/?repo=riscv-port&pr=45&range=01
- incr: https://webrevs.openjdk.java.net/?repo=riscv-port&pr=45&range=00-01
Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
Patch: https://git.openjdk.java.net/riscv-port/pull/45.diff
Fetch: git fetch https://git.openjdk.java.net/riscv-port pull/45/head:pull/45
PR: https://git.openjdk.java.net/riscv-port/pull/45
More information about the riscv-port-dev
mailing list