[riscv-port] RFR: 8277440: riscv: Move UseVExt from product to experimental [v2]
yadongwang at openjdk.java.net
Fri Nov 19 10:36:04 UTC 2021
On Fri, 19 Nov 2021 09:43:32 GMT, Yanhong Zhu <yzhu at openjdk.org> wrote:
>> Currently, riscv port supports vector operations which is fully compatible with vector extension 1.0 spec. And we have passed tier 1-4 tests with option "-XX:+UseVExt" with QEMU.
>> Due to lack of native environment which supports vector extension 1.0, we cannot carry out tests for vector operations on real hardware. So we decided to move port-specific option UseVExt from product to experimental for now, and rename UseVExt to UseRVV.
>> This also fixes some typos in comments, and removes unused v extension instructions.
>> The test results on HiFive Unleashed board (rv64imafdc) and NeZha D1 board (rv64imafdcvu) are in line with expectations.
> Yanhong Zhu has updated the pull request incrementally with one additional commit since the last revision:
> Set UseRVV EXPERIMENTAL
Marked as reviewed by yadongwang (Author).
More information about the riscv-port-dev