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