Reviewed-by: thartmann, mdoerr, simonis

Summary: Fixed emitting of unused assembly code in 8225653​ which had a negative impact on performance in tight loops.
Reviewed-by: kvn, thartmann

Summary: Add information string for each HaltNode which is printed if hit at runtime.
Reviewed-by: vlivanov, thartmann

Reviewed-by: ihse

Summary: Introduce separate nodes with acquire semantics which match ReverseBytes + Load.acquire.
Reviewed-by: shade, lucy

Reviewed-by: kvn, thartmann

8225622: [AOT] runtime/SharedArchiveFile/TestInterpreterMethodEntries.java crashed with AOTed java.base
Reviewed-by: kvn

Reviewed-by: mullan

8206179: com/sun/management/OperatingSystemMXBean/GetCommittedVirtualMemorySize.java fails with Committed virtual memory size illegal value
Reviewed-by: sspitsyn, cjplummer

Reviewed-by: kvn

Reviewed-by: lancea, naoto

Reviewed-by: clanger, stuefe

8216151: [Graal] Module jdk.internal.vm.compiler.management has not been granted accessClassInPackage.org.graalvm.compiler.debug
Summary: update default.policy based on latest changes in jdk.internal.vm.compiler.management
Reviewed-by: thartmann, alanb, mchung

Summary: Revert 8245397 backport of 8230591
Reviewed-by: clanger

Reviewed-by: kvn

Reviewed-by: vlivanov, kbarrett

Reviewed-by: dholmes, clanger, kvn

Reviewed-by: aph

Summary: Add java_shift_xxx helpers and use them.
Reviewed-by: aph, kvn

Reviewed-by: ihse

Reviewed-by: kvn, never

Reviewed-by: prr

Reviewed-by: xuelei, coffeys

Summary: Rehash threshold was too low for StringTable, and rehashed size table was too large.
Reviewed-by: rehn, gziemski

Reviewed-by: kvn, mseledtsov

Summary: Added NULL check and fixed output.
Reviewed-by: kvn

8210788: Javadoc for Thread.join(long, int) should specify that it waits forever when both arguments are zero
Reviewed-by: martin, rriggs

8212933: Thread-SMR: requesting a VM operation whilst holding a ThreadsListHandle can cause deadlocks
Reviewed-by: eosterlund, dcubed, sspitsyn, dholmes

Reviewed-by: kvn

Reviewed-by: alanb

Reviewed-by: coleenp, jbachorik

Summary: Removed unnecessary clearing of BitMap.
Reviewed-by: kbarrett, kvn, thartmann
Contributed-by: NChristian Hagedorn <christian.hagedorn@oracle.com>

Reviewed-by: naoto, martin, andrew

Summary: Add NONCOPYABLE macro and uses.
Reviewed-by: dholmes, pliden, coleenp

Summary: Fixing the message to print actual comp_level
Reviewed-by: dlong, kvn

Summary: Used logical operator correctly
Reviewed-by: kvn, thartmann

Summary: Call delete on xdual type.
Reviewed-by: kvn