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: After mechanically merging changes, some by-hand adjustments are needed.
Reviewed-by: ysr

Summary: Removed the unnecessary #ifdef's which were interfering with the build of the Zero-assembler port
Reviewed-by: ysr, jcoomes

Summary: remove over locking by VMThread on "is thread suspended?" check
Reviewed-by: dholmes, acorn, andrew

Summary: Fix races in jmethodID cache and JNI itable index cache.
Reviewed-by: ikrylov, acorn

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

Reviewed-by: kamg, dcubed

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: Druing heap shrinking, check for emptiness of a region before modifying its ZF status.
Reviewed-by: tonyp

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: Fix CDS/CMS option overrides related to iCMS option CMSIncrementalMode; explicate overrides to error stream.
Reviewed-by: coleenp

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: Store the return value of fwrite and check it matches the size of the array.
Reviewed-by: twisti, dholmes

Reviewed-by: kamg, phh

Reviewed-by: kvn

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

Summary: Add missing initialization of cache size.
Reviewed-by: tbell

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

Summary: ldc seems to load an empty String and that leads to an assert on offset < length, which are both zero.
Reviewed-by: kvn, never

Summary: enable compressed oops by default
Reviewed-by: never, ysr

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

Reviewed-by: twisti, cfang

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

Reviewed-by: kvn

Reviewed-by: jcoomes, tonyp

Summary: Replace the assert with narrow_oop_shift set to 0.
Reviewed-by: never, jcoomes

Reviewed-by: kvn, twisti

Reviewed-by: iveresov, tonyp, ysr

Reviewed-by: ysr, never, kvn