On Thu, 9 May 2024 12:07:22 GMT, Chen Liang <[email protected]> wrote:
>> src/java.base/share/classes/java/lang/classfile/TypeKind.java line 139:
>>
>>> 137: case 'V' -> TypeKind.VoidType;
>>> 138: default -> throw new IllegalArgumentException("Bad type: "
>>> + s);
>>> 139: };
>>
>> This maps to a `tableswitch`, could you explain why a statically initialized
>> array addressed with a custom hash code suppose to be faster?
>> Thanks.
>
> I actually am not sure of the reason; it is indeed a tableswitch in bytecode.
> @cl4es might know it better?
Generally I agree with the API changes and with the `descriptor.isPrimitive()`
test before requesting a descriptor string.
However I'm missing the point of the other changes, which only replace this
single `tableswitch` with something way more complicated, without clear
performance gain.
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PR Review Comment: https://git.openjdk.org/jdk/pull/19109#discussion_r1595381124
