6927165: Zero S/390 fixes Summary: Fixes two failures on 31-bit S/390. Reviewed-by: twisti Contributed-by: Gary Benson <gbenson@redhat.com>

6926782: CodeBuffer size too small after 6921352 Summary: After 6921352 the CodeBuffer size was too small. Reviewed-by: kvn, never

6877221: Endless deoptimizations in OSR nmethod Reviewed-by: kvn

6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete Summary: Define AdapterHandlerTableIterator class as non product instead of debug. Reviewed-by: never

Merge

6923991: G1: improve scalability of RSet scanning Summary: Implemented block-based work stealing. Moved copying during the rset scanning phase to the main copying phase. Made the size of rset table depend on the region size. Reviewed-by: apetrusenko, tonyp

6782663: Data produced by PrintGCApplicationConcurrentTime and PrintGCApplicationStoppedTime is not accurate. Summary: Update and display the timers associated with these flags for all safepoints. Reviewed-by: ysr, jcoomes

6802453: G1: hr()->is_in_reserved(from),"Precondition." Summary: The operations of re-using a RSet component and expanding the same RSet component were not mutually exlusive, and this could lead to RSets getting corrupted and entries being dropped. Reviewed-by: iveresov, johnc

6920977: G1: guarantee(k == probe->klass(),"klass should be in dictionary") fails Summary: the guarantee is too strict and the test will fail (incorrectly) if the class is not in the system dictionary but in the placeholders. Reviewed-by: acorn, phh

Merge

6926048: Improve Zero performance Summary: Make Zero figure out result types in a similar way to C++ interpreter implementation. Reviewed-by: kvn Contributed-by: gbenson@redhat.com

6925249: assert(last_sp < (intptr_t*) interpreter_frame_monitor_begin(),"bad tos") Summary: Fix assert since top deoptimized frame has last_sp == interpreter_frame_monitor_begin if there are no expressions. Reviewed-by: twisti

6924097: assert((_type == Type::MEMORY) == (_adr_type != 0),"adr_type for memory phis only") Summary: Use PhiNode::make_blank(r, n) method to construct the phi. Reviewed-by: never

6910618: C2: Error: assert(d->is_oop(),"JVM_ArrayCopy: dst not an oop") Summary: Mark in PcDesc call sites which return oop and save the result oop across objects reallocation during deoptimization. Reviewed-by: never

6910605: C2: NullPointerException/ClassCaseException is thrown when C2 with DeoptimizeALot is used Summary: Set the reexecute bit for runtime calls _new_array_Java when they used for _multianewarray bytecode. Reviewed-by: never

6923002: assert(false,"this call site should not be polymorphic") Summary: Clear the total count when a receiver information is cleared. Reviewed-by: never, jrose

6920293: OptimizeStringConcat causing core dumps Reviewed-by: kvn, twisti

Merge

6587322: dtrace probe object__alloc doesn't fire in some situations on amd64 Summary: Fix misplaced probe point Reviewed-by: rasbold, phh Contributed-by: neojia@gmail.com

Merge

6914402: G1: assert(!is_young_card(cached_ptr),"shouldn't get a card in young region") Summary: Invalid assert. Filter cards evicted from the card count cache instead. Reviewed-by: apetrusenko, tonyp

6904516: More object array barrier fixes, following up on 6906727 Summary: Fixed missing pre-barrier calls for G1, modified C1 to call pre- and correct post-barrier interfaces, deleted obsolete interface, (temporarily) disabled redundant deferred barrier in BacktraceBuilder. Reviewed-by: coleenp, jmasa, kvn, never

6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash Summary: Interval checking is now being performed on the values passed in for these two flags. The current acceptable range for RefDiscoveryPolicy is [0..1], and for TLABWasteTargetPercent it is [1..100]. Reviewed-by: apetrusenko, ysr

Added tag jdk7-b84 for changeset 31557f5428d0