Summary: Make OptimizeStringConcat a product VM option(contributed by never)
Reviewed-by: never

Reviewed-by: kvn, twisti

Summary: Remove the assert.
Reviewed-by: twisti

Reviewed-by: kvn

Summary: Always call C->get_alias_index(phase->type(address)) during parsing.
Reviewed-by: never

Summary: Move DecodeN code outside the memory nodes only code.
Reviewed-by: never

6852078: HSX 14/16 in jdk 5.0: api/javax_management api/org_omg jck tests crashes or make tnameserv crash
Summary: Disable SuperWord optimization for unsafe read/write
Reviewed-by: kvn, phh

Summary: Implement scalar replaced objects debug info dump in SA.
Reviewed-by: twisti

6889757: G1: enable card mark elision for initializing writes from compiled code (ReduceInitialCardMarks)
Summary: Defer the (compiler-elided) card-mark upon a slow-path allocation until after the store  and before the next subsequent safepoint; G1 now answers yes to can_elide_tlab_write_barriers().
Reviewed-by: jcoomes, kvn, never

Summary: PhiNode::Ideal() should return TOP for Phi node with no users.
Reviewed-by: never, jrose

Summary: Restore the original code: uint i = _hi_degree.
Reviewed-by: never, jrose

Reviewed-by: kvn

Summary: To break spill ties choose bound live range over unbound to free register or one with smaller cost to spill.
Reviewed-by: never, jrose

Summary: Avoid ideal transformation ping-pong between AddPNode::Ideal() and CastX2PNode::Ideal().
Reviewed-by: cfang

Summary: Update copyright for files that have been modified in 2009 through Septermber
Reviewed-by: tbell, ohair

Summary: Add missing instance_id meet.
Reviewed-by: never

Reviewed-by: kvn, twisti

Summary: Make a special root-list for those few nmethods which might contain non-perm oops.
Reviewed-by: twisti, kvn, never, jmasa, ysr

Summary: Do nothing for AddP node which has type not related to the type of allocated object.
Reviewed-by: never

Summary: filter out non-primitives before deciding whether two ops can be packed
Reviewed-by: kvn, never

6875866: Intrinsic for String.indexOf() is broken on x86 with SSE4.2
Summary: Modify String intrinsic methods to pass char[] pointers instead of string oops.
Reviewed-by: never

6877254: Server vm crashes with no branches off of store slice" when run with CMS and UseSuperWord(default)
Summary: design StoreCMNode::Ideal to promote its oopStore input if the input is a MergeMem node
Reviewed-by: kvn, never

Summary: Removed second CheckCastPP and use MembarCPUOrder after arraycopy to cloned object.
Reviewed-by: never

Summary: Look through chained AddP nodes in get_addp_base().
Reviewed-by: jrose

Summary: Check that a klass is not NULL before the is_loaded() call.
Reviewed-by: never

Summary: In load_array_length() cast array's type to TypeOopPtr when calling make_ideal_length() method.
Reviewed-by: never

Summary: schedule the superword loads based on dependence constraints
Reviewed-by: kvn, never

Summary: Fix do_null_check to check for unloaded klass for all oop pointers.
Reviewed-by: never, cfang

Summary: use PcDesc to keep record of the reexecute bit instead of using DebugInfoStreams
Reviewed-by: kvn, never, twisti

Summary: enable escape analysis by default
Reviewed-by: never

Reviewed-by: kvn

Summary: delay dead code elimination in set_req_X to make it safe
Reviewed-by: kvn, never

Reviewed-by: kvn

Reviewed-by: kvn, twisti

Summary: Improvement on reexecute implementation to fix the assertion failure
Reviewed-by: kvn, never

Summary: developed a reexecute logic for the interpreter to reexecute the bytecode when deopt happens
Reviewed-by: kvn, never, jrose, twisti

Summary: Produce narrow type for new Phi from the original Phi type.
Reviewed-by: cfang

Summary: Update copyright for files that have been modified in 2009, up to 07/09
Reviewed-by: tbell, ohair

Summary: Code compiled with server compiler generates an incorrect result.
Reviewed-by: cfang, never, kvn

Summary: Add additional check for a tight loop.
Reviewed-by: never