Summary: Use the gap also for a narrow oop field and a boxing object value.
Reviewed-by: coleenp, never

6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions
Summary: Add LoadNKlass and CMoveN nodes, use CmpN and ConN nodes to generate narrow oops compare instructions.
Reviewed-by: never, rasbold

Summary: fix several problems in C2 related to Escape Analysis and Compressed Oops.
Reviewed-by: never, jrose

Summary: The method Node::dominates loops in the dead code which does not have a Region node.
Reviewed-by: jrose, never

6700102: c2 assertion "counter_changed,"failed dependencies, but counter didn't change")" with AggressiveOpts
Summary: Bytecode Escape Analyzer does not have the check for the case described in 6389127.
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: Cardtable base can be zero, ExternalAddress can't take a NULL.

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: Corrected the wrong memory access problem and made some minor clean ups
Reviewed-by: dholmes, jcoomes

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