Summary: Remove region self reference last
Reviewed-by: kvn, never

Summary: Use BIS for zeroing new allocated big (2Kb and more) objects and arrays.
Reviewed-by: never, twisti, ysr

Reviewed-by: kvn, twisti

Summary: Move code from finalize_offsets_and_shorten() to fill_buffer() to restore previous behavior.
Reviewed-by: never

Summary: on T4 2 BIS instructions should be issued to prefetch 64 bytes
Reviewed-by: iveresov, phh, twisti

Summary: save/restore label and block in scratch_emit_size()
Reviewed-by: never

Reviewed-by: kvn, never, bdelsart

Summary: Refactor the allocation code during GC to use the G1AllocRegion abstraction. Use separate subclasses of G1AllocRegion for survivor and old regions. Avoid BOT updates and dirty survivor cards incrementally for the former.
Reviewed-by: brutisso, johnc, ysr

Summary: Use new short branch instruction in C2 generated code.
Reviewed-by: never

Summary: Handlize MemoryUsage klass oop in createGCInfo routine
Reviewed-by: tonyp, fparain, ysr, jcoomes

Summary: Use cl->is_valid_counted_loop() check.
Reviewed-by: never

Summary: Buffer overflow in os::get_line_chars
Reviewed-by: coleenp, dholmes, dcubed
Contributed-by: aph@redhat.com

Summary: Align the reserved size of the heap and perm to the heap region size to get a preferred heap base that is aligned to the region size, and call the correct heap reservation constructor. Also add a check in the heap reservation code that the reserved space starts at the requested address (if any).
Reviewed-by: kvn, ysr

Summary: replace MemBarAcquire/MemBarRelease nodes on the monitor enter/exit code paths with new MemBarAcquireLock/MemBarReleaseLock nodes
Reviewed-by: kvn, twisti

Reviewed-by: gbenson, twisti
Contributed-by: NChris Phillips <chphilli@redhat.com>

Summary: Avoid overcounting when CMS has concurrent mode failure.
Reviewed-by: ysr
Contributed-by: rednaxelafx@gmail.com

Summary: In root processing, move the scanning of the reference processor's discovered lists to before RSet updating and scanning. When scanning the reference processor's discovered lists, use a buffering closure so that the time spent copying any reference object is correctly attributed. Also removed a couple of unused and irrelevant timers.
Reviewed-by: ysr, jmasa

Summary: Removed predicate cloning from loop peeling optimization and from split fall-in paths.
Reviewed-by: never

Reviewed-by: kvn, iveresov

Reviewed-by: jrose, twisti
Contributed-by: NXerxes Ranby <xerxes@zafena.se>

Summary: Remove flags which duplicate information in Node::NodeClasses.
Reviewed-by: never

Reviewed-by: kvn

Summary: Do not move data nodes which are attached to a predicate test to a dominating test.
Reviewed-by: never

Summary: Update the OOME stacktrace to contain Throwable.UNASSIGNED_STACK when the backtrace is filled in
Reviewed-by: mchung, phh

Summary: Add new short branch instruction to Hotspot sparc assembler.
Reviewed-by: never, twisti, jrose

Reviewed-by: kvn, twisti, jrose

Summary: Added feedback disabling flag to common(), fixed handling of TieredStopAtLevel.
Reviewed-by: kvn, never

Summary: Pass arguments to runtime via java array for arrays with > 5 dimensions
Reviewed-by: never, kvn, jrose, pbk

Summary: Use new VIS3 mov instructions on T4 for move data between general and float registers.
Reviewed-by: never, twisti

Reviewed-by: dholmes, never, jwilhelm, kvn

Summary: do explicit lookup emulating old LD_LIBRARY_PATH search
Reviewed-by: kvn, jrose

Reviewed-by: dholmes, never, jwilhelm, kvn

Reviewed-by: dholmes, never, jwilhelm, kvn

Reviewed-by: dholmes, never, jwilhelm, kvn

Reviewed-by: dholmes, never, jwilhelm, kvn

Reviewed-by: kvn

Reviewed-by: twisti, iveresov

Summary: Recompile the enclosing methods without inlining of the method that has OSRed to level 4 or recompile the enclosing method at level 4.
Reviewed-by: kvn, never

Summary: Take into account current state of profiling before believing that existing higher level versions are valid
Reviewed-by: kvn, never

Summary: Call collect_stack_roots() before collect_simple_roots() as an optimization.
Reviewed-by: ysr, dsamersoff, dcubed
Contributed-by: ashok.srinivasa.murthy@oracle.com