On Mon, 24 May 2021 11:26:51 GMT, Claes Redestad <redes...@openjdk.org> wrote:
> Slightly reduce VarHandle startup overhead by introducing package-private
> COUNT constants for two enums
src/java.base/share/classes/java/lang/invoke/VarHandle.java line 1639:
> 1637: GET_AND_UPDATE(Object.class);
> 1638:
> 1639: static final int COUNT = 5;
Suggestion:
static final int COUNT = GET_AND_UPDATE.ordinal() + 1;
This would avoid the hardcoded count which is a bit fragile.
src/java.base/share/classes/java/lang/invoke/VarHandle.java line 1897:
> 1895: ;
> 1896:
> 1897: static final int COUNT = 31;
Suggestion:
static final int COUNT = GET_AND_BITWISE_XOR_ACQUIRE.ordinal() + 1;
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PR: https://git.openjdk.java.net/jdk/pull/4164
