[master] RFR: Load narrowKlass from header, AArch64 assembler implementation [v3]

[Roman Kennke]

On Fri, 28 Jan 2022 10:20:25 GMT, Andrew Haley <aph at openjdk.org> wrote:

> OK, I give up. Please document 'clobbers flags' very clearly.

I will try to make it that the caller ensures that src != dst, and also passes a tmp register, then we can avoid clobbering the flags register altogether and also avoid the register shuffling madness. Not sure if that's always feasable, though.

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PR: https://git.openjdk.java.net/lilliput/pull/36