On Tue, 11 Jun 2024 11:35:28 GMT, Shaojin Wen <d...@openjdk.org> wrote:
>> After PR https://github.com/openjdk/jdk/pull/16245, C2 optimizes stores into >> primitive arrays by combining values into larger stores. >> >> This PR rewrites the code of appendNull and append(boolean) methods so that >> these two methods can be optimized by C2. > > Shaojin Wen has updated the pull request incrementally with one additional > commit since the last revision: > > revert Agreed we should look at obsoleting the `_putCharStringU` intrinsic. This is best done separately. If performance with the intrinsic disabled looks good here then I think this PR is good to go, even if temporarily subpar on the UTF16 tests. The microbenchmark will then serve as an extra verification step to show that disabling/removing the intrinsic is beneficial. ------------- PR Comment: https://git.openjdk.org/jdk/pull/19626#issuecomment-2162962297