RFR: 8282475: SafeFetch should not rely on existence of Thread::current [v6]

[Andrew Haley]

On Sat, 12 Mar 2022 12:30:39 GMT, Andrew Haley <aph at openjdk.org> wrote:

> 1ns

Incidentally, there must be a lot of speculation and bypassing going on there. I can see 15 cycles of latency, probably 20, so that'd be more like 5ns start to finish. M1 is a remarkable thing.

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PR: https://git.openjdk.java.net/jdk/pull/7727