RFR: 8361892: AArch64: Incorrect matching rule leading to improper oop instruction encoding [v2]

[Vladimir Kozlov]

On Mon, 14 Jul 2025 16:08:15 GMT, Andrew Dinn <adinn at openjdk.org> wrote:

> Ok, but those two methods cover cases where mov/lea instructions are directly generated into the code stream. Why is there no need for a C2 rule for immByteMapBaee and loadByteMapBase in x86_64.ad. Is it because nothing inserts the card table base into a C2 graph as a ConP node now that we have late barrier generation?

Correct.

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PR Comment: https://git.openjdk.org/jdk/pull/26249#issuecomment-3070348566