Summary: Change the type of various task num fields, parameters etc to unsigned and rename them to be more consistent with the other collectors. Code changes were also reviewed by Vitaly Davidovich.
Reviewed-by: johnc
Contributed-by: NKaushik Srenevasan <kaushik@twitter.com>

Reviewed-by: jcoomes

Reviewed-by: johnc, mgerdin, jwilhelm

Summary: Divide by zero error, if ParallelGCThreads is 0, when adjusting the PLAB size.
Reviewed-by: jmasa, jcoomes

Summary: Removing include of c1/c1_runtime.hpp and opto/runtime.hpp from all os-files.
Reviewed-by: kvn
Contributed-by: nils.eliasson@oracle.com

Summary: Change the flags and variables related to tenuring threshold to be unsigned
Reviewed-by: jmasa, johnc

Reviewed-by: johnc

Summary: Don't clone head of OSR loop.
Reviewed-by: jrose, twisti

Summary: Add generation of vectors for scalar shift count.
Reviewed-by: roland, twisti, dlong

Reviewed-by: jrose, kvn

Reviewed-by: brutisso, neliasso

8000227: [obj|type]ArrayKlass::oop_print_on prints one line to tty instead of the provided output stream
Reviewed-by: brutisso, sla, jmasa, coleenp

Reviewed-by: jcoomes

8000230: Change os::print_location to be more descriptive when a location is pointing into an object
Reviewed-by: mgerdin, twisti

Summary: use long branches in test_invocation_counter_for_mdp()
Reviewed-by: twisti

Summary: The clipping code in the routine that sets the bits for a range of cards, in the liveness accounting verification code was incorrect. It set all the bits in the card bitmap from the given starting index which would lead to spurious marking verification failures.
Reviewed-by: brutisso, jwilhelm, jmasa

Summary: Deleted placement new operator of Node - node(size_t, Compile *, int).
Reviewed-by: kvn, twisti
Contributed-by: bharadwaj.yadavalli@oracle.com

Summary: Replaced is_vector_use() call with explicit check for vector shift's count.
Reviewed-by: twisti, roland, dlong, vlivanov

Summary: Added missed _bottom_type set in ArchDesc::defineExpand() and missed vector nodes in MatchRule::is_vector().
Reviewed-by: twisti, roland, dlong

Reviewed-by: kvn

Summary: Removed the unused keep_alive parameter
Reviewed-by: stefank, dholmes, kamg, coleenp

Reviewed-by: dholmes, ohair
Contributed-by: NFredrik Ohrstrom <fredrik.ohrstrom@oracle.com>

Summary: We should in SA to use hsdis for it like the JVM does to replace the current java based disassembler.
Reviewed-by: twisti, jrose, sla
Contributed-by: yumin.qi@oracle.com

Reviewed-by: jcoomes