On Wed, 25 Nov 2020 03:31:36 GMT, Vladimir Kozlov <k...@openjdk.org> wrote:
> JDK-8188055 added the function Reference.refersTo. For performance, the > supporting native methods Reference.refersTo0 and PhantomReference.refersTo0 > should be intrinsified by C2. > > Initial patch was prepared by @fisk. > > Tested hs-tier1-4. Added new compiler tests to test intrinsics. > > Ran new test with Shenandoah. Found only one issue. As result I disable > PhantomReference::refersTo intrinsic for COOP+ Shenandoah combination. > Someone from Shenandoah team have to test changes if that is enough. This pull request has now been integrated. Changeset: 816e8f83 Author: Vladimir Kozlov <k...@openjdk.org> URL: https://git.openjdk.java.net/jdk/commit/816e8f83 Stats: 381 lines in 20 files changed: 248 ins; 62 del; 71 mod 8256999: Add C2 intrinsic for Reference.refersTo and PhantomReference::refersTo Reviewed-by: pliden, vlivanov, rkennke, eosterlund, shade ------------- PR: https://git.openjdk.java.net/jdk/pull/1425
