RFR: 8262901: [macos_aarch64] NativeCallTest expected:<-3.8194101E18> but was:<3.02668882E10> [v3]

[Olga Mikhaltsova]

On Sun, 6 Nov 2022 21:02:17 GMT, Olga Mikhaltsova <omikhaltcova at openjdk.org> wrote:

>> This PR is opened as a follow-up for [1] and included the "must-done" fixes pointed by @teshull.
>> 
>> This patch for JVMCI includes the following fixes related to the macOS AArch64 calling convention:
>> 1. arguments may consume slots on the stack that are not multiples of 8 bytes [2]
>> 2. natural alignment of stack arguments [2]
>> 3. stack must remain 16-byte aligned [3][4]
>> 
>> Tested with tier1 on macOS AArch64 and Linux AArch64.
>> 
>> [1] https://github.com/openjdk/jdk/pull/6641
>> [2] https://developer.apple.com/documentation/xcode/writing-arm64-code-for-apple-platforms
>> [3] https://docs.microsoft.com/en-us/cpp/build/arm64-windows-abi-conventions?view=msvc-160#stack
>> [4] https://docs.microsoft.com/en-us/cpp/build/stack-usage?view=msvc-170
>
> Olga Mikhaltsova has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Refactoring

@teshull could you please take a look! I tried to make fixes according to your comments in #6641

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PR: https://git.openjdk.org/jdk/pull/10238