git: openjdk/jdk21u: master: 8308479: [s390x] Implement alternative fast-locking scheme

[Martin Doerr]

Changeset: 54fbd4ba
Author:    Amit Kumar <amitkumar at openjdk.org>
Committer: Martin Doerr <mdoerr at openjdk.org>
Date:      2023-11-09 15:31:54 +0000
URL:       https://git.openjdk.org/jdk21u/commit/54fbd4baa698603e7cde96711020927d56dbfa65

8308479: [s390x] Implement alternative fast-locking scheme

Backport-of: 3fe6e0faca78e8106e33a3a53de78f8864be92b7

! src/hotspot/cpu/s390/c1_MacroAssembler_s390.cpp
! src/hotspot/cpu/s390/c1_MacroAssembler_s390.hpp
! src/hotspot/cpu/s390/interp_masm_s390.cpp
! src/hotspot/cpu/s390/macroAssembler_s390.cpp
! src/hotspot/cpu/s390/macroAssembler_s390.hpp
! src/hotspot/cpu/s390/sharedRuntime_s390.cpp
! src/hotspot/share/runtime/arguments.cpp