Integrated: 8295257: Remove implicit noreg temp register arguments in aarch64 MacroAssembler

[Axel Boldt-Christmas]

On Thu, 13 Oct 2022 06:12:49 GMT, Axel Boldt-Christmas <aboldtch at openjdk.org> wrote:

> Remove implicit `= noreg` temporary register arguments for the three methods that still have them.
>   * `load_heap_oop`
>   * `store_heap_oop`
>   * `load_heap_oop_not_null`
> 
> Only `load_heap_oop` is used with the implicit `= noreg` arguments.
> After [JDK-8293351](https://bugs.openjdk.org/browse/JDK-8293351) the GCs only use explicitly passed in registers. This will also be the case for generational ZGC. Where it currently requires `load_heap_oop` to provide a second temporary register.
> 
> Testing: linux-aarch64, macosx-aarch64 tier 1-3

This pull request has now been integrated.

Changeset: a8c18ebc
Author:    Axel Boldt-Christmas <aboldtch at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/a8c18ebc152842281b22534507b4a09612ea3498
Stats:     14 lines in 3 files changed: 0 ins; 0 del; 14 mod

8295257: Remove implicit noreg temp register arguments in aarch64 MacroAssembler

Reviewed-by: aph, tschatzl

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PR: https://git.openjdk.org/jdk/pull/10688