RFR: 8328878: Rework [AArch64] Use "dmb.ishst + dmb.ishld" for release barrier

[Andrew Haley]

On Mon, 25 Mar 2024 15:08:15 GMT, Andrew Haley <aph at openjdk.org> wrote:

> Also consider a queue? We already accumulate bits of an instruction in `Instruction_aarch64::bits`. Maybe that could be elaborated to defer `DMB` instructions?

Or maybe not if that's too complicated. If there's no way to minimize the sequence without a lot of work, I can live with it.

Thanks!

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PR Comment: https://git.openjdk.org/jdk/pull/18467#issuecomment-2018272546