A small optimization for StackMapGenerator::processInvokeInstructions. 1. Use local currentFrame to avoid multiple getfields 2. remove Util.methodTypeSymbol(NameAndTypeEntry) 3. Use decStack instead of popStack to reduce array access in popStack 4. codeSize reduced from 277 to 262
------------- Commit messages: - use decStack instead of popStack - remove Util.methodTypeSymbol(NameAndTypeEntry) - optimize processInvokeInstructions Changes: https://git.openjdk.org/jdk/pull/21344/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21344&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8341512 Stats: 20 lines in 10 files changed: 1 ins; 7 del; 12 mod Patch: https://git.openjdk.org/jdk/pull/21344.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/21344/head:pull/21344 PR: https://git.openjdk.org/jdk/pull/21344
