Summary: Select number of GC threads dynamically based on heap usage and number of Java threads
Reviewed-by: johnc, ysr, jcoomes

Summary: Various cleanups and formatting changes identified during a code walk through of the changes for 6484965 ("G1: piggy-back liveness accounting phase on marking").
Reviewed-by: brutisso, tonyp

Summary: GCNotifier::pushNotification() references GCMemoryManager::_last_gc_stat but is called from GCMemoryManager::gc_end() before GCMemoryManager::_last_gc_stat is set up using the values in GCMemoryManager::_current_gc_stat. As a result the GC notification code accesses unitialized or stale data. Move the notification call after GCMemoryManager::_las_gc_stat is set, but inside the same if-block.
Reviewed-by: poonam, dholmes, fparain, mchung

Summary: Interpret MarkSweepAlwaysCompactCount < 1 as never do full compaction
Reviewed-by: ysr, tonyp, jmasa, johnc

Summary: Major cleanup of the G1CollectorPolicy class. It removes a lot of unused fields and methods and also consolidates replicated information (mainly various ways of counting the number of CSet regions) into one copy.
Reviewed-by: johnc, brutisso

Reviewed-by: dholmes, dsamersoff
Contributed-by: NChris Hegarty <chris.hegarty@oracle.com>

Reviewed-by: ysr, dholmes

Summary: Reduce what arrayOopDesc::max_array_length() returns to avoid int overflow
Reviewed-by: kvn, dholmes, tonyp

Summary: Disable PrintVMOptions by default for all builds
Reviewed-by: dsamersoff, twisti

Summary: Added case for _adaptive_size_policy
Reviewed-by: johnc, ysr

Summary: Use dead nodes elimination code in PhaseIdealLoop before executing EA.
Reviewed-by: never, twisti

Summary: zero array when compiled code is deoptimized.
Reviewed-by: never, twisti

7087727: JSR 292: C2 crash if ScavengeRootsInCode=2 when "static final" MethodHandle constants are in use
Reviewed-by: jrose, kvn, never

Reviewed-by: jrose, kvn

Reviewed-by: kvn, jrose, twisti

Reviewed-by: johnc, brutisso, poonam

Summary: Keep track of all the old regions in the heap with a heap region set.
Reviewed-by: brutisso, johnc

Summary: Split adjust_escape_state() method into two methods to find initializing stores.
Reviewed-by: never

Reviewed-by: never, kvn
Contributed-by: NAndreas Schoesser <andreas.schoesser@sap.com>

Reviewed-by: kvn, never

Reviewed-by: kvn

Summary: _cset_rs_update_cl[] was indexed with values beyond what it is set up to handle.
Reviewed-by: ysr, jmasa, johnc

Summary: Moved precompiled.hpp to src/share/vm/precompiled
Reviewed-by: coleenp, dholmes
Contributed-by: Nrbackman <rickard.backman@oracle.com>

Reviewed-by: never, kvn

Summary: arrayOopDesc::max_array_length() should return a value that does not overflow a size_t if it is converted to bytes.
Reviewed-by: kvn, dholmes

Reviewed-by: iveresov, kvn

Summary: Reimplemented class VSetI_ to restore Set::print().
Reviewed-by: never

Summary: Disable PrintVMOptions in embedded debug builds so tests are unaffected by extra output
Reviewed-by: twisti, coleenp, phh, fparain, dsamersoff

Summary: Initialize printable_bci of instruction when passed to Canonicalizer
Reviewed-by: kvn, never

Summary: Define ciMethodHandle::print_chain_impl() and ciMethodHandle::print_chain() bodies only in debug builds.
Reviewed-by: never, twisti

Reviewed-by: never, bdelsart

Summary: Fixed the instances that were missed in the changeset for 7099817.
Reviewed-by: stefank

Summary: Avoid CMove in a loop if possible. May generate CMove if it could be moved outside a loop.
Reviewed-by: never

7102191: G1: assert(_min_desired_young_length <= initial_region_num) failed: Initial young gen size too small
Summary: initial_region_num actually not needed.
Reviewed-by: tonyp, johnc

7099817: CMS: +FLSVerifyLists +FLSVerifyIndexTable asserts: odd slot non-empty, chunk not on free list
Summary: Suitably weaken asserts that were in each case a tad too strong; fix up some loose uses of parameters in code related to size-indexed free list table.
Reviewed-by: jmasa, brutisso, stefank

Summary: NULL pointers do not escape but escape state propagation may change it leading to worser results.
Reviewed-by: never

7103224: collision between __LEAF define in interfaceSupport.hpp and /usr/include/sys/cdefs.h with gcc
Reviewed-by: never
Contributed-by: NOmair Majid <omajid@redhat.com>

7101642: JSR 292: SIGSEGV in java.lang.invoke.MethodHandleImpl$FieldAccessor.getFieldI(Ljava/lang/Object;)I
Reviewed-by: kvn, iveresov

7094138: JSR 292: JRuby junit test fails in CallSite.setTargetNormal: obj->is_oop() failed: sanity check
Reviewed-by: iveresov, never

Reviewed-by: kvn, never, jrose