RFR: 8339290: Optimize ClassFile Utf8EntryImpl#writeTo [v2]

[Chen Liang]

On Fri, 30 Aug 2024 05:21:46 GMT, Shaojin Wen <swen at openjdk.org> wrote:

>> src/java.base/share/classes/jdk/internal/classfile/impl/AbstractPoolEntry.java line 441:
>> 
>>> 439:                 }
>>> 440:                 else {
>>> 441:                     int charLength = stringValue.length();
>> 
>> In the slow loop, you can remove everything before the `else` - we don't really need that optimistic writing any more
>
> The code of the slow path is complex and difficult to understand. Can the simplified work be used as a follow-up action?

Sure! Good to focus on the improvement here.

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PR Review Comment: https://git.openjdk.org/jdk/pull/20772#discussion_r1737960819