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: 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

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

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

Summary: incorrect encoding
Reviewed-by: kvn, rasbold, sgoldman, jrose

Reviewed-by: jmasa, xlu

Reviewed-by: apetrusenko

6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments
Summary: bcEscapeAnalyzer does not analyze methods with no oop arguments.
Reviewed-by: rasbold

Reviewed-by: kvn, jrose

Summary: The assert misses the case CastX2P 'base' for an unsafe field reference
Reviewed-by: never, jrose

Summary: fix or remove uninitialized fields
Reviewed-by: kvn, rasbold

Summary: EA gives opportunite to do more aggressive memory optimizations.
Reviewed-by: never, jrose

Summary: Use scalar replacement with EA to remove allocations for objects which do not escape the compiled method.
Reviewed-by: rasbold, never, jrose

6663621: JVM crashes while trying to execute api/java_security/Signature/SignatureTests.html#initSign tests.
Summary: alignment expression with secondary induction variables is sometimes wrong
Reviewed-by: kvn, rasbold

Summary: Use CVTDQ2PS and CVTDQ2PD for integer values conversions to float and double values on new AMD cpu.
Reviewed-by: sgoldman, never

Summary: copy elimination of a constant value results in incorrect execution
Reviewed-by: kvn, sgoldman, rasbold

Summary: Remove -XX:+CacheTimeMillis option and associated functionality
Reviewed-by: acorn, never

Summary: split_thru_phi produces top on a non-dead path
Reviewed-by: kvn, rasbold, sgoldman

Summary: ClearArrayNode::Identity should use TypeX instead of TypeInt
Reviewed-by: jrose, kvn, sgoldman

Summary: Compile::has_loops() should be set from inlined methods
Reviewed-by: kvn, rasbold

6634032: CMS: Need CMSInitiatingPermOccupancyFraction for perm, divorcing from CMSInitiatingOccupancyFraction
Summary: The option CMSInitiatingPermOccupancyFraction now controls perm triggering threshold. Even though the actual value of the threshold has not yet been changed, so there is no change in policy, we now have the infrastructure in place for dynamically deciding when to collect the perm gen, an issue that will be addressed in the near future.
Reviewed-by: jmasa

Summary: Remove lock/unlock MemBar nodes and specify locks in debug info for deoptimization.
Reviewed-by: never

Summary: Current EA code has several problems which have to be fixed.
Reviewed-by: jrose, sgoldman

Summary: os::attempt_reserve_memory_at() now passes an address hint to mmap
Reviewed-by: kamg, dice

Summary: Avoid an infinite generation of instance's field values Phi nodes.
Reviewed-by: never

6671807: (Escape Analysis) Add new ideal node to represent the state of a scalarized object at a safepoint
Summary: Values of non-static fields of a scalarized object should be saved in debug info to reallocate the object during deoptimization.
Reviewed-by: never

Summary: Use instanceKlass::method_with_idnum() instead of slot() to work with RedefineClasses().
Reviewed-by: sspitsyn

Summary: (for Serguei) Allow for Linux builds with Sun Studio Linux compilers
Reviewed-by: sspitsyn, ohair

Summary: (for Serguei) Clean up use of No_Safepoint_Verifier in JVM TI
Reviewed-by: dcubed

Summary: Add should_not_be_cached() to markOop and methodOop and query that status inOopMapCache::lookup()
Reviewed-by: coleenp, sspitsyn, jmasa