RFR: 8339320: Optimize ClassFile Utf8EntryImpl#inflate

[ExE Boss]

On Thu, 29 Aug 2024 11:44:50 GMT, Shaojin Wen <swen at openjdk.org> wrote:

> A very small optimization, split the large method inflate, split the infrequently used paths into a method inflateCHAR

Typo (`HCAR` → `CHAR`):

src/java.base/share/classes/jdk/internal/classfile/impl/AbstractPoolEntry.java line 235:

> 233:                 state = State.BYTE;
> 234:             } else {
> 235:                 inflateHCAR(singleBytes, hash);

Suggestion:

                inflateCHAR(singleBytes, hash);

src/java.base/share/classes/jdk/internal/classfile/impl/AbstractPoolEntry.java line 239:

> 237:         }
> 238: 
> 239:         private void inflateHCAR(int singleBytes, int hash) {

Suggestion:

        private void inflateCHAR(int singleBytes, int hash) {

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PR Review: https://git.openjdk.org/jdk/pull/20767#pullrequestreview-2270677504
PR Review Comment: https://git.openjdk.org/jdk/pull/20767#discussion_r1737542852
PR Review Comment: https://git.openjdk.org/jdk/pull/20767#discussion_r1737543008