Summary: G1 does not appear to be immune to the issue described in CR 6948537 and increasing the size of old-generation PLABs appears to increase the liklihood of seeing the issue. Extend the fix for 6948537 to G1's BlockOffsetTable.
Reviewed-by: brutisso, jmasa

Reviewed-by: kvn, jrose

Summary: Employ PLABStats instances to record information about survivor and old PLABs, and use the recorded stats to adjust the sizes of survivor and old PLABS.
Reviewed-by: johnc, ysr
Contributed-by: NBrandon Mitchell <brandon@twitter.com>

Reviewed-by: kvn, jrose

Summary: Templates need this object if not using template parameter in call
Reviewed-by: coleenp, kamg, dholmes

Summary: Added new FormatBufferResource class to use thread's resource area for error message buffer.
Reviewed-by: twisti

Summary: Implementation of decoder for Apple's MacOSX. The implementation is based on the patch provided by Kevin Walls.
Reviewed-by: coleenp, kamg, kevinw

Reviewed-by: kvn, twisti

6984705: JSR 292 method handle creation should not go through JNI
Summary: remove assembly code for JDK 7 chained method handles
Reviewed-by: jrose, twisti, kvn, mhaupt
Contributed-by: NJohn Rose &lt;john.r.rose@oracle.com&gt;, Christian Thalinger &lt;christian.thalinger@oracle.com&gt;, Michael Haupt <michael.haupt@oracle.com>

Summary: Various cleanups as a prelude to introducing iterators for HeapRegions.
Reviewed-by: johnc, brutisso

Summary: 1) Fixed MemTrackWorker::generations_in_used() calculation 2) Ensured NMT not to leak memory recorders after shutdown 3) Used ThreadCritical to block safepoint safe threads
Reviewed-by: acorn, coleenp, dholmes, kvn

Summary: Chain the fine grain PerRegionTables in an individual RSet together and free them in bulk using a single operation.
Reviewed-by: johnc, brutisso
Contributed-by: NThomas Schatzl <thomas.schatzl@jku.at>

Summary: Assertion incorrectly checks that _head is NULL and should be checking that _tail is NULL instead.
Reviewed-by: johnc
Contributed-by: NBrandon Mitchell <brandon@twitter.com>

Summary: Duplicated code from G1RemSet::par_write_ref() inlined into G1UpdateRSOrPushRefOopClosure::do_oop_nv() was showing up in profiles with a fairly high amount of CPU time. Manually inline the main part of G1RemSet::par_write_ref() to eliminate the code duplication.
Reviewed-by: azeemj, brutisso

Summary: renamed mach nodes which use scalar AVX instructions, added integer vectors shuffling instructions
Reviewed-by: twisti

Summary: replace recursive method with iterative
Reviewed-by: kvn, twisti
Contributed-by: dean.long@oracle.com

Reviewed-by: kvn, never

Summary: Changed _query_lock to heap object from static object. Also fixed _query_lock and snapshot lock ranks, so they can participate deadlock detection.
Reviewed-by: coleenp, dholmes, kvn

Summary: Assertion on stack base is not necessary
Reviewed-by: coleenp, dholmes, kvn

Summary: Don't eliminate Integer::toString() call node during String concatenation optimization if it has several uses.
Reviewed-by: twisti

Summary: Add annotation extraction code to class file parser.
Reviewed-by: twisti, jrose, kvn
Contributed-by: michael.haupt@oracle.com

Summary: Use uncast node equivalence checks in CmpUNode::sub.
Reviewed-by: kvn, twisti
Contributed-by: vladimir.x.ivanov@oracle.com

Summary: Also reviewed by: vitalyd@gmail.com. Move the timing out of G1CollectorPolicy into the G1GCPhaseTimes class
Reviewed-by: johnc

Reviewed-by: sspitsyn, dholmes, coleenp, kamg

Summary: Need to copy the inlined exception table to the new constMethodOop during method rewriting.
Reviewed-by: coleenp, dholmes

Summary: Made new_hash() overloaded rather than a virtual function so SA code doesn't need to be changed.
Reviewed-by: kvn, acorn, dholmes, fparain

Summary: Updated core path location to reflect macosx default
Reviewed-by: dholmes, kamg

Summary: change hotspot flag to be unsigned
Reviewed-by: dholmes, sla, fparain, brutisso
Contributed-by: NChris Dennis <cdennis@terracottatech.com>

Summary: Use class exactness as part of the condition for class compare optimization instead of assert.
Reviewed-by: twisti, roland

Summary: Send warnings to output stream
Reviewed-by: dholmes, fparain

Summary: When c2 intrinsifies pow/exp, it should never inline the java implementations.
Reviewed-by: kvn

7151532: DCmd for hotspot native memory tracking
Summary: Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd
Reviewed-by: acorn, coleenp, fparain

Reviewed-by: coleenp, mgronlun, rbackman

Summary: Change constMethodOop::_exception_table to optionally inlined u2 table.
Reviewed-by: bdelsart, coleenp, kamg

Summary: check for and skip diamond shaped NULL check code for the result of toString()
Reviewed-by: twisti, roland

Summary: Cannot delete _buckets and HashtableEntries in shared space (CDS)
Reviewed-by: acorn, kvn, dlong, dcubed, kamg

Summary: Remove the per-thread expansion tables (PosParPRT) and associated expansion and compaction from the fine grain RSet entries. This code has been unused for a while.
Reviewed-by: johnc, brutisso
Contributed-by: NThomas Schatzl <thomas.schatzl@jku.at>

Summary: Missing cast caused integer overflow
Reviewed-by: rbackman, dholmes

Summary: In fieldDescriptor::generic_signature() returns NULL immediately if the field has no generic signature.
Reviewed-by: dholmes, coleenp, jcoomes

Summary: When looking for the same value in an other register check that all parts of that register has the same value.
Reviewed-by: johnc, twisti