> @cl4es discovered that Stack Map generation in ClassFile API uses > `componentType` and `arrayType` for `aaload` `aastore` instructions, which > are currently quite slow. We can split out array class descriptors from class > or interfaces to support faster `arrayType` and `componentType` operations. > > Tentative, as I currently have no way to measure the actual impact of this > patch on the startup performance; however, this made the `ClassDesc` > implementations much cleaner.
Chen Liang has updated the pull request incrementally with one additional commit since the last revision: Fix displayName Turns out ArrayClassDesc::displayName was incorrect. Added a test. ------------- Changes: - all: https://git.openjdk.org/jdk/pull/20665/files - new: https://git.openjdk.org/jdk/pull/20665/files/bf9ff94c..f6bfa12c Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=20665&range=07 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=20665&range=06-07 Stats: 40 lines in 3 files changed: 31 ins; 0 del; 9 mod Patch: https://git.openjdk.org/jdk/pull/20665.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/20665/head:pull/20665 PR: https://git.openjdk.org/jdk/pull/20665