[aarch64-port-dev ] git: openjdk/aarch64-port: master: 8257069: C2: Clarify and sanity test RegMask/RegMaskIterator

[Claes Redestad]

Changeset: 2d30a101
Author:    Claes Redestad <redestad at openjdk.org>
Date:      2020-11-26 13:42:55 +0000
URL:       https://git.openjdk.java.net/aarch64-port/commit/2d30a101

8257069: C2: Clarify and sanity test RegMask/RegMaskIterator

Reviewed-by: jvernee, kvn

! src/hotspot/share/adlc/output_h.cpp
! src/hotspot/share/opto/regmask.hpp
+ test/hotspot/gtest/opto/test_regmask.cpp