Reviewed-by: kvn

Reviewed-by: kvn, jrose, kevinw, brutisso, twisti, jmasa

Summary: too optimistic inlining decision confuses local value numbering.
Reviewed-by: never

Reviewed-by: never

Summary: Use unknown_obj instead of empty_map for NULL or Constant Pool object constants in bytecode Escape Analyzer.
Reviewed-by: iveresov, never

Summary: Fix pure c2 builds
Reviewed-by: kvn, brutisso, never

Reviewed-by: kvn, iveresov, dholmes

Summary: Make sure that CompilationPolicy::event() doesn't throw exceptions
Reviewed-by: kvn, never

Summary: improvements of TraceMethodHandles for JSR292
Reviewed-by: never, twisti

Summary: handle not loaded array klass in Parse::do_checkcast().
Reviewed-by: kvn, never

Summary: Block::schedule_local() may write beyond end of ready_cnt array
Reviewed-by: never, kvn

Summary: Use !higher_equal() check to skip top and values which fit.
Reviewed-by: never

Summary: Change the value of Tier3BackEdgeThreshold from 7000 to 60000
Reviewed-by: kvn, never

Summary: improvements of frame_describe
Reviewed-by: never, twisti

Reviewed-by: kvn, iveresov

Summary: Pass correct type to branch in LIRGenerator::do_SwitchRanges()
Reviewed-by: kvn, never

Summary: Add Value() methods to short and byte Load nodes to truncate constants which does not fit.
Reviewed-by: jrose

Reviewed-by: dholmes, bdelsart, kvn, twisti

Summary: fix for debug method frame::describe
Reviewed-by: never, kvn

Summary: Made decoder thread-safe
Reviewed-by: coleenp, kamg

Summary: Relax verification and locks elimination checks for new implementation (EliminateNestedLocks).
Reviewed-by: iveresov

Summary: Do not common BoxLock nodes and avoid creating phis of boxes.
Reviewed-by: never

Summary: Don't split CMove node if it's control edge is different from split region.
Reviewed-by: never

Reviewed-by: phh, bobv, coleenp, dcubed
Contributed-by: NJiangli Zhou <jiangli.zhou@oracle.com>

Summary: Added a nop tracing infrastructure, JFR makefile changes and other infrastructure used only by JFR.
Reviewed-by: acorn, sspitsyn
Contributed-by: markus.gronlund@oracle.com

Summary: Compare uncasted object nodes.
Reviewed-by: never

Summary: This change simplifies the interaction between GC and concurrent marking. By disabling survivor spaces during the initial-mark pause we don't need to propagate marks of objects we copy during each GC (since we never need to copy an explicitly marked object).
Reviewed-by: johnc, brutisso

Reviewed-by: tonyp, jmasa

Reviewed-by: brutisso, johnc

Reviewed-by: acorn, phh, dcubed, sspitsyn

Summary: Nested locks elimination done before lock nodes expansion by looking for outer locks of the same object.
Reviewed-by: never, twisti

Summary: Change yank_if_dead() to recursive method to remove all dead inputs.
Reviewed-by: never

Summary: Store the "next chunk start index" in the length field of the to-space object, instead of the from-space object, so that we can always reliably read the size of all from-space objects.
Reviewed-by: johnc, ysr, jmasa

Summary: Expose existing Management::_begin_vm_creation_time via new accessor Management::begin_vm_creation_time().
Reviewed-by: acorn, dcubed

Reviewed-by: sspitsyn, dcubed, mchung, dholmes

Summary: Use JavaThread::jvmti_thread_state() instead of JvmtiThreadState::state_for().
Reviewed-by: coleenp, poonam, acorn

Summary: Add os::get_last_error(), replace getLastErrorString() by os::lasterror() in os_windows.cpp.
Reviewed-by: kamg, dholmes
Contributed-by: erik.gahlin@oracle.com

Summary: Used uintptr_t and void* for all the casts and checks in test_is_in.
Reviewed-by: tonyp, jmasa

Summary: Add rdtsc detection and inline generation.
Reviewed-by: kamg, dholmes
Contributed-by: karen.kinnear@oracle.com

Summary: Leave i_o attached to slow allocation call when there are no i_o users after the call.
Reviewed-by: iveresov, twisti