RFR: 8325821: [REDO] use "dmb.ishst+dmb.ishld" for release barrier [v3]

[Andrew Haley]

On Tue, 9 Apr 2024 07:39:01 GMT, kuaiwei <duke at openjdk.org> wrote:

> About CodeBuffer::offset(), does you mean Assembler::offset() ? It worth a try, we may remove the 'const' from its definition and its derived methods.

I think so, yes. It's a little bit odd that simply reading an offset has a side effect, but it affects only the state machine, not any of the contents of the buffer.

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PR Comment: https://git.openjdk.org/jdk/pull/18467#issuecomment-2044373508