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

Summary: The assertion can failure due to race conditions.
Reviewed-by: never

Summary: back out sa-related changes to 6652736, use concrete expressions for WKK names in the SA
Reviewed-by: never, sundar

Summary: Don't move tops of the chunks in ensure_parsibility(). Handle the situation with Solaris when a machine has a locality group with no memory.
Reviewed-by: apetrusenko, jcoomes, ysr

Summary: Transform long division by constant into multiply
Reviewed-by: never, kvn

Summary: Construct the relevant CMSIsAliveClosure used by CMS during parallel reference processing with the correct span. It had incorrectly been constructed with an empty span, a regression introduced in 6417901.
Reviewed-by: jcoomes

Summary: increase class file parser's acceptable max to 51
Reviewed-by: sbohne, ikrylov

Summary: combine many scalar variables into a single enum-indexed array in SystemDictionary.
Reviewed-by: kvn

Summary: rework Value method for ModD and ModF, to DTRT for infinities
Reviewed-by: sgoldman, kvn, rasbold

Summary: Need to subtract MaxPermSize from the total heap size when determining whether compressed oops is turned on.
Reviewed-by: jmasa, jcoomes, kvn

Summary: Added a clause to allow null to be an operand to the arraylength bytecode
Reviewed-by: sbohne, coleenp

Summary: NUMA-aware allocator port to Linux
Reviewed-by: jmasa, apetrusenko

Summary: stop compilation after negative array allocation
Reviewed-by: never, jrose

Summary: Move os_cpu/linux_sparc from closed to open
Reviewed-by: kamg

Summary: NeverBranchNodes aren't handled properly
Reviewed-by: kvn, sgoldman, rasbold, jrose

Summary: EA and initialization optimizations could bypass these nodes.
Reviewed-by: rasbold, never

Reviewed-by: kvn, rasbold, sgoldman, jrose

Summary: 64-bits VM crashes with -XX:+AggresiveOpts (Escape Analysis + Compressed Oops)
Reviewed-by: never, sgoldman

Summary: Initial checkin of JSDT code
Reviewed-by: acorn, sbohne

Summary: Misc. 64bit and endian fixes for sparc
Reviewed-by: never, kvn, rasbold
Contributed-by: volker.simonis@gmail.com

Summary: Optimization in CmpPNode::sub() removed the valid compare instruction because of false positive answer from detect_dominating_control().
Reviewed-by: jrose, sgoldman

Summary: Protected contraints should only be applied if member is not static
Reviewed-by: acorn, coleenp

Summary: Optimization in CmpPNode::sub() removed the valid compare instruction because of false positive answer from detect_dominating_control().
Reviewed-by: jrose, sgoldman

Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv
Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold

Summary: Stack allocated VM_EnableBiasedLocking op must be marked as such
Reviewed-by: xlu, acorn, never, dholmes

Summary: Stack allocated VM_EnableBiasedLocking op must be marked as such
Reviewed-by: xlu, acorn, never, dholmes

Summary: A check on Code length did not take into account the old sizes of the max_stack, max_locals, and code_length.
Reviewed-by: phh, sbohne

Summary: Without LoopNode, exit early from loop unswitching and partial peeling
Reviewed-by: kvn, never, sgoldman

Summary: Rewrite frame::safe_for_sender and friends to be safe for collector/analyzer
Reviewed-by: dcubed, kvn

Summary: Don't optimize zero length array allocations at compile time.
Reviewed-by: kvn, never

Reviewed-by: kvn, rasbold

Summary: Fix load_signature_classes to tolerate LinkageErrors
Reviewed-by: kvn, never

Summary: add null checks
Reviewed-by: jrose, kvn

Summary: C2 spends > 60% in escape analysis code during test nsk/regression/b4675027.
Reviewed-by: never

Summary: remove old private plugin interface, simplify, rework old plugin to use unchanged Gnu sources
Reviewed-by: kvn, rasbold

Summary: Relocking of a thread-local object during deoptimization is broken
Reviewed-by: kbr, jrose, never

6539517: CR 6186200 should be extended to perm gen allocation to prevent spurious OOM's from perm gen
Reviewed-by: ysr, jmasa

Summary: missing check in LoadNode::Ideal() causes infinite generation of a value Phi.
Reviewed-by: jrose, never

Reviewed-by: jmasa, xlu

Reviewed-by: apetrusenko