Summary: Pass on the static type G1ParPushHeapRSClosure to allow oop_iterate devirtualization
Reviewed-by: jmasa, kbarrett

8069760: When iterating over a card, G1 often iterates over much more references than are contained in the card
Summary: Properly bound the iteration work for objArray-oops.
Reviewed-by: mgerdin, kbarrett

Reviewed-by: tschatzl, mgerdin

Summary: Changed the chunk size to a smaller fixed number.
Reviewed-by: tschatzl, mgerdin

Summary: Evaluate and improve object copy time by micro-optimizations and splitting out slow and fast paths aggressively.
Reviewed-by: kbarrett, mgerdin, jmasa
Contributed-by: NTony Printezis &lt;tprintezis@twitter.com&gt;, Thomas Schatzl <thomas.schatzl@oracle.com>

Reviewed-by: brutisso, ehelin

Summary: Stop using save_marks in G1 related code and make setting the replacement field less racy.
Reviewed-by: brutisso, tschatzl

Summary: keep a list of handlers to prevent the same handler from being scanned repeatedly.
Reviewed-by: dlong, dholmes

Summary: Instead of 'fpclass', use cast float->int and double->long to check if value is +0.0f and +0.0d, respectively.
Reviewed-by: kvn, simonis, dlong

8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale
Summary: optimize the adjust_method_entries functions by using the orig_method_idnum() function
Reviewed-by: coleenp, dcubed

Summary: Relax the guaranty for deleted methods
Reviewed-by: dcubed, coleenp

Summary: Fixed by removing all code related to LowMemoryProtection, which removed offending code.
Reviewed-by: dholmes, minqi

Summary: Warning when not checking exceptions from function that require so, also when local refs expand beyond capacity.
Reviewed-by: dsimms

Summary: Escape state of allocated object should be always adjusted after it was passed to a method.
Reviewed-by: kvn

Summary: Force all Solaris builds to use the same version of the DIR structure.
Reviewed-by: dcubed, dholmes, kvn

Reviewed-by: kbarrett, dholmes

Reviewed-by: dholmes, coleenp

Summary: Added better debug-printing support and enhanced LogCompilation tool
Reviewed-by: kvn, roland, dholmes

Summary: Check for overflow when inverting the loop during the counted loop conversion
Reviewed-by: kvn

8049881: jstack not working on core files
Summary: These changes add some definitions on the SA side and the supporting code on the hotspot side.
Reviewed-by: sla, dsamersoff, mgronlun

8068881: SIGBUS in C2 compiled method weblogic.wsee.jaxws.framework.jaxrpc.EnvironmentFactory$SimulatedWsdlDefinitions.<init>
Summary: Use MachMerge to hook together defs of the same multidef value in a block
Reviewed-by: kvn, vlivanov

Reviewed-by: kvn

Reviewed-by: sla, sspitsyn

Reviewed-by: jwilhelm, tschatzl, stefank

Summary: Add missing C->failing() check after Connection graph construction.
Reviewed-by: iveresov

Summary: Update MacroAssembler::ldf to select addressing mode depending on Address parameter.
Reviewed-by: kvn, dlong

Reviewed-by: sspitsyn, dcubed

8071302: assert(!_reg_node[reg_lo] || edge_from_to(_reg_node[reg_lo], def)) failed: after block local
Summary: Add merge nodes to node to block mapping
Reviewed-by: kvn, vlivanov

Reviewed-by: simonis, goetz
Contributed-by: matthias.baesken@sap.com, martin.doerr@sap.com

Reviewed-by: simonis, goetz
Contributed-by: matthias.baesken@sap.com, martin.doerr@sap.com

8062063: Usage of UseHugeTLBFS, UseLargePagesInMetaspace and huge SurvivorAlignmentInBytes cause crashes in CMBitMapClosure::do_bit
Summary: Making sure committed memory is cleared when re-committed, even if using large pages.
Reviewed-by: jwilhelm, tschatzl

8062063: Usage of UseHugeTLBFS, UseLargePagesInMetaspace and huge SurvivorAlignmentInBytes cause crashes in CMBitMapClosure::do_bit
Summary: Making sure committed memory is cleared when re-committed, even if using large pages.
Reviewed-by: jwilhelm, tschatzl

Summary: Interpreter::remove_activation_entry() is not defined for the C++ interpreter
Reviewed-by: roland, coleenp
Contributed-by: NSeverin Gehwolf <sgehwolf@redhat.com>

Summary: Check for dead input nodes after replacing compare node with implicit null check.
Reviewed-by: kvn

Reviewed-by: roland, kvn

Summary: Crashes were caused by not disabling UseMemSetInBOT as should be done on sparc. Added support for picking up blkinit as a platform feature if available on Linux sparc. This is needed to avoid enabling UseMemSetInBOT when running on this platform.
Reviewed-by: jmasa, brutisso

Summary: bad assumption on graph shape in CastIINode::Value if that part of the graph is becoming dead.
Reviewed-by: kvn

Summary: range check smearing uncorrectly adjust first range check in a list of range checks to cover all of them
Reviewed-by: jrose, kvn, iveresov

Summary: -XX:+TraceDeoptimization tries to print realloc'ed objects even when there are none
Reviewed-by: kvn

Summary: The new code in 8u backport should guard the execution of the following code instead of return.
Reviewed-by: iveresov