Integrated: 8241502: C2: Migrate x86_64.ad to MacroAssembler

[John Tortugo]

On Fri, 5 Feb 2021 03:15:15 GMT, John Tortugo <github.com+2249648+JohnTortugo at openjdk.org> wrote:

> Relates to: https://bugs.openjdk.java.net/browse/JDK-8241502
> Tested on: Linux tier1, 2 and 3
> 
> Can you please take a look whether these changes are going in the direction expected or not? If it is, I'll continue working on the `JDK-8241502` but I'd like to split it in a few PRs since it's a lot of changes.

This pull request has now been integrated.

Changeset: de784312
Author:    Cesar <disoares at microsoft.com>
Committer: Vladimir Kozlov <kvn at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/de784312c340b4a4f4c4d11854bfbe9e9e826ea3
Stats:     1267 lines in 3 files changed: 622 ins; 87 del; 558 mod

8241502: C2: Migrate x86_64.ad to MacroAssembler

Reviewed-by: vlivanov, kvn

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PR: https://git.openjdk.java.net/jdk/pull/2420