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

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

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: Add missing test option -XX:+IgnoreUnrecognizedVMOptions.
Reviewed-by: never

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

Reviewed-by: kamg, dholmes

Reviewed-by: kvn

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

Reviewed-by: cfang, never

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

Reviewed-by: kvn

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

Summary: Update the Major and build numbers for HS17 fork
Reviewed-by: jcoomes

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

Summary: Make sure the control word is correct in deopt_blob after restore_result_registers
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