RFR: 8266499: Delete dead code in aarch64.ad

Tue May 4 16:15:52 UTC 2021

On Tue, 4 May 2021 15:41:15 GMT, Andrew Haley <aph at openjdk.org> wrote:

> Just dead code, nothing to see here.
> 
> I had to change a few `MacroAssembler` to `C2_MacroAssembler` in
> ad_encode.m4, which seems not to have been updated when 8241436 was
> committed.

Marked as reviewed by kvn (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/3860