Summary: Fix loop's probability. Add optimizations to avoid spilling. Change InlineSmallCode to product flag.
Reviewed-by: never

Summary: handle NaN costs more carefully
Reviewed-by: kvn, never

Summary: Push DecodeN node below the Null check to the non-null path to use the mach node without 0 test.
Reviewed-by: rasbold, never

Reviewed-by: rasbold, jrose

Summary: insert CastII nodes to narrow type of load_array_length() node
Reviewed-by: never, kvn

Summary: add missing implicit null check cases.
Reviewed-by: never

Summary: Add support for narrow oops in debug info to avoid decoding.
Reviewed-by: rasbold, never

Summary: Always look for the existing phi for a processed live_range.
Reviewed-by: rasbold

Summary: Add asserts with dead loop checks in AddNode::Ideal().
Reviewed-by: never

Reviewed-by: kvn, rasbold

Summary: Turn off c2 implicit null checking on windows and large pages specified.
Reviewed-by: jrose, xlu

Reviewed-by: rasbold

Summary: insert_goto_at should set frequency for newly created blocks
Reviewed-by: never

Summary: Missing edge to a call's return value in EA Connection Graph.
Reviewed-by: never

Summary: Set offset to OffsetBot when the add overflows in TypePtr::add_offset()
Reviewed-by: jrose, never

Summary: The result of step_through_mergemem() and remove_dead_region() is not checked in some cases.
Reviewed-by: never

Summary: check for not-nullness after proving that types are unrelated
Reviewed-by: kvn, never

Summary: rematerializing nodes results in incorrect inputs
Reviewed-by: rasbold

Summary: delay transform call until uses of t2 are constructed
Reviewed-by: never

Summary: fixed few addP node type and narrow oop type problems.
Reviewed-by: rasbold, never

Summary: Switch off executing Escape Analysis by default for now
Reviewed-by: rasbold

Summary: add safepoint before popping expression stack, not after
Reviewed-by: kvn

Summary: Escape Analysis fixes.
Reviewed-by: never, rasbold

Summary: partial peeling shouldn't place clones into loop
Reviewed-by: kvn

6712835: Server compiler fails with assertion (loop_count < K,"infinite loop in PhaseIterGVN::transform")
Reviewed-by: kvn

Summary: make do_ifnull() handling similar to do_if()
Reviewed-by: jrose, kvn

Summary: Add missing _instance_id settings and other EA fixes.
Reviewed-by: rasbold

Summary: Remove call to repush_if_args()
Reviewed-by: kvn, jrose

Summary: switch on EA by default, optimize Connection Graph construction
Reviewed-by: rasbold, never

Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell

Summary: Set instance_id to InstanceBot for InstPtr->meet(AryPtr) when types are not related.
Reviewed-by: jrose, never

Summary: Fixed the mismerge by deleting the lines that were inadvertently left in place.
Reviewed-by: iveresov

Reviewed-by: kvn, jrose

Summary: Remove DecodeNNode::decode() and EncodePNode::encode() methods.
Reviewed-by: rasbold, never

Summary: verify the adr_type of a mach node was not changed
Reviewed-by: rasbold, never

6714694: assertion in 64bit server vm (store->find_edge(load) != -1,"missing precedence edge") with COOPs
Summary: The method raise_LCA_above_marks() terminates LCA search early.
Reviewed-by: rasbold, never

Summary: Add missed checks for TOP and missed checks for non-dominating cases
Reviewed-by: rasbold, jrose, never

Reviewed-by: kvn

Reviewed-by: kvn, jrose, rasbold

Summary: First mercurial integration of the code for the Garbage-First garbage collector.
Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr