On Mon, 15 May 2023 08:57:30 GMT, Andrew Haley <a...@openjdk.org> wrote:

> This looks like it might be removed by loop opts. I think you might need a 
> blackhole somewhere.

```m``` will be updated in every iteration of this loop, so ```m``` is not a 
loop-invariants actually.
I can see the assembly code of this loop by using JMH perfasm.

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PR Review Comment: https://git.openjdk.org/jdk/pull/13974#discussion_r1193618375

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