On Wed, 4 Sep 2024 11:48:46 GMT, Shaojin Wen <s...@openjdk.org> wrote:
>> src/java.base/share/classes/jdk/internal/classfile/impl/BufWriterImpl.java
>> line 165:
>>
>>> 163: int countNonZeroAscii = JLA.countNonZeroAscii(str);
>>> 164: int utflen = strlen;
>>> 165: if (countNonZeroAscii != strlen) {
>>
>> Perhaps skip the count if `strlen` is already too large (we'll throw in the
>> next block)
>> Suggestion:
>>
>> if (strlen <= 65535 && countNonZeroAscii != strlen) {
>
> Let’s not add this, because normal logic should not pay the cost for abnormal
> logic
Agreed in principle, but not sure the cost of this quick fail-fast sanity test
would be noticeable?
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PR Review Comment: https://git.openjdk.org/jdk/pull/20772#discussion_r1743636412
