RFR: 8254966: Remove unused code from Matcher

Tue Oct 20 09:27:14 UTC 2020

On Tue, 20 Oct 2020 07:16:26 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

>> These are unused:
>> 
>> interpreter_method_reg*
>> compiler_method_reg*
>> pd_implicit_null_fixup (only existed to workaround some Win95 issues)
>> 
>> Quite some code in the .ad files shook loose when removing these, so I will need some help verifying that the s390 and
>> ppc changes are fine.
>
> Not a full review.
> 
> Tested on s390, ppc64. Builds fine, tests show no errors. Changes looks good to me.

@tstuefe: thanks for checking!
@vnkozlov @AzeemJiva @neliasso: thanks for reviewing!

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PR: https://git.openjdk.java.net/jdk/pull/723