8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
Summary: Added _resolved_klasses; moved _resolved_references to ConstantPoolCache, etc.
Reviewed-by: coleenp, lfoltan, simonis, aph

Merge

Merge

Merge

8155980: ARM InterpreterMacroAssembler::get_method_counters() should not be saving caller saved registers
Summary: make get_method_counters() only save registers specified by caller, not all of them
Reviewed-by: dlong, jiangli

8172020: Internal Error (cpu/arm/vm/frame_arm.cpp:571): assert(obj == __null || Universe::heap()->is_in(obj)) failed: sanity check #
Summary: do check_and_handle_earlyret() on method return
Reviewed-by: sspitsyn, aph, adinn, simonis

8176100: [REDO][REDO] G1 Needs pre barrier on dereference of weak JNI handles
Reviewed-by: kbarrett, coleenp, tschatzl

8176054: [BACKOUT][REDO] G1 Needs pre barrier on dereference of weak JNI handles
Reviewed-by: kbarrett, mgerdin

8175085: [REDO] G1 Needs pre barrier on dereference of weak JNI handles
Reviewed-by: kbarrett, dcubed, tschatzl

8175086: [BACKOUT] fix for JDK-8166188
Reviewed-by: kbarrett, jwilhelm, dcubed

8166188: G1 Needs pre barrier on dereference of weak JNI handles
Summary: Add low tag to jweaks and G1 barrier for jweak loads.
Reviewed-by: mgerdin, mdoerr, pliden, dlong, dcubed, coleenp, aph, tschatzl
Contributed-by: kim.barrett@oracle.com, martin.doerr@sap.com, volker.simonis@sap.com

8168503: JEP 297: Unified arm32/arm64 Port
Reviewed-by: kvn, enevill, ihse, dholmes, erikj, coleenp, cjplummer