[foreign-memaccess+abi] Integrated: 8255902: Enable stack arguments for native invokers & optimized upcall stubs

[Jorn Vernee]

On Mon, 18 Oct 2021 10:27:09 GMT, Jorn Vernee <jvernee at openjdk.org> wrote:

> Hi,
> 
> This patch implements stack argument support in native invokers & optimized upcalls stubs.
> 
> The main changes needed are:
> - allow passing a stack offset 'bias' to shuffling code in macro assembler, so that it can account for shadow space (only needed on x86_64 for now).
> - implement missing stack to reg & reg to stack moves for float and double on AArch64
> - add TestDowncallStack & TestUpcallStack, which are basically the same as TestDowncall & TestUpcall, but with 8 `long long` and 8 `double` prefix arguments which saturate the argument registers and makes the arguments that are being tested passed on the stack instead.
> 
> Thanks,
> Jorn

This pull request has now been integrated.

Changeset: b8d4b8a4
Author:    Jorn Vernee <jvernee at openjdk.org>
URL:       https://git.openjdk.java.net/panama-foreign/commit/b8d4b8a47a9212d1958ccd7d8a611412a6a7b5bf
Stats:     24478 lines in 17 files changed: 24359 ins; 19 del; 100 mod

8255902: Enable stack arguments for native invokers & optimized upcall stubs

Reviewed-by: mcimadamore

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PR: https://git.openjdk.java.net/panama-foreign/pull/600