[foreign-memaccess+abi] Integrated: 8275584: Incorrect stack spilling in CallArranger on MacOS/AArch64

[Nick Gasson]

On Fri, 21 Oct 2022 15:50:01 GMT, Nick Gasson <ngasson at openjdk.org> wrote:

> This patch adds special handling for argument spilling on M1 Mac which does not follow the standard AArch64.  In the standard ABI arguments are first extended to the full 64-bit register width and then spilled but on macOS the arguments are spilled according to their original width and packed using theior natural.  @JornVernee  did most of the work to support this but there were a few issues remaining related to structspilling which I've fixed up in the last commit here.

This pull request has now been integrated.

Changeset: d575ec55
Author:    Nick Gasson <ngasson at openjdk.org>
URL:       https://git.openjdk.org/panama-foreign/commit/d575ec5528a1ebaf9efaa24c34c69288ef0592a2
Stats:     304 lines in 5 files changed: 247 ins; 27 del; 30 mod

8275584: Incorrect stack spilling in CallArranger on MacOS/AArch64

Co-authored-by: Jorn Vernee <jvernee at openjdk.org>
Reviewed-by: jvernee

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PR: https://git.openjdk.org/panama-foreign/pull/746