RFR: 8341512: Optimize StackMapGenerator::processInvokeInstructions [v2]

[Chen Liang]

On Fri, 4 Oct 2024 14:25:09 GMT, Shaojin Wen <swen at openjdk.org> wrote:

>> 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
>
> Shaojin Wen has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update src/java.base/share/classes/java/lang/classfile/attribute/EnclosingMethodAttribute.java
>   
>   Co-authored-by: ExE Boss <3889017+ExE-Boss at users.noreply.github.com>

Marked as reviewed by liach (Reviewer).

-------------

PR Review: https://git.openjdk.org/jdk/pull/21344#pullrequestreview-2348988189