RFR: 8341006: Optimize StackMapGenerator detect frames
Shaojin Wen
swen at openjdk.org
Thu Sep 26 10:10:50 UTC 2024
1. Construct Frames directly without BitSet
2. Use Frame[] instead of ArrayList
3. Use EMPTY_FRAME_ARRAY for initialization. No need to allocate objects when there is no frame.
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Commit messages:
- bug fix
- Use Frame[] instead of List<Frame>
- frame out of BytecodeRange
- optimize StackMapGenerator::generate
Changes: https://git.openjdk.org/jdk/pull/21183/files
Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21183&range=00
Issue: https://bugs.openjdk.org/browse/JDK-8341006
Stats: 127 lines in 1 file changed: 59 ins; 37 del; 31 mod
Patch: https://git.openjdk.org/jdk/pull/21183.diff
Fetch: git fetch https://git.openjdk.org/jdk.git pull/21183/head:pull/21183
PR: https://git.openjdk.org/jdk/pull/21183
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