Summary: Changing the behavior of -XX:+PrintHeapAtGC for G1 from printing lengthy, per-region information to instead printing a concise summary.
Reviewed-by: ysr, apetrusenko, jcoomes

Summary: Move the secondary raw memory barrier to the correct place in generate_arraycopy().
Reviewed-by: never

Summary: Don not split a block if it contains a FastLockNode with a PhiNode input.
Reviewed-by: kvn, never

Summary: Put missed reference to allocated array in copyOf() intrinsic into OopMap for the call slow_arraycopy().
Reviewed-by: never

Reviewed-by: kvn

Summary: Missed updating two variable names when improving the code for 6850869.
Reviewed-by: iveresov, jmasa, ysr

Reviewed-by: kvn

Reviewed-by: kvn

Summary: Fixes incorrect handling of precompiled headers in diff mode.
Reviewed-by: never, twisti

Summary: The optimizer should be told to normalize (AndL (ConvI2L x) 0xFF) to (ConvI2L (AndI x 0xFF)), and then the existing matcher rule will work for free.
Reviewed-by: kvn

Summary: MaxLabelRootDepth value less then 10 is invalid.
Reviewed-by: never

Summary: RSet scrubbing incorrectly deletes RSet entries that point to regions tagged as "continues humongous" due to a race when RSet scrubbing iterates over regions in parallel.
Reviewed-by: apetrusenko, iveresov

Summary: Have the meet not symmetric check recursively do the interface-vs-oop check on array subtypes.
Reviewed-by: jrose
Contributed-by: rasbold@google.com

Summary: extend G1 marking verification to use either the "prev" or "next" marking information, as appropriate.
Reviewed-by: johnc, ysr

Summary: make verification code visible only in debug builds
Reviewed-by: iveresov, ysr, johnc, apetrusenko, tonyp

Reviewed-by: kvn

Summary: Disable escape analysis when jvmti/debugger is used. Add support for EA ibto SA.
Reviewed-by: never

Summary: Typo fix
Reviewed-by: jcoomes

Reviewed-by: tonyp, iveresov, jmasa, ysr

Summary: For heaps larger than 32Gb, the number of heap regions overflows the data type used to hold the region index in the SparsePRT structure. Changed the region indexes, card indexes, and RSet hash table buckets to ints and added some size overflow guarantees.
Reviewed-by: ysr, tonyp

Summary: Short-circuit gc-a-lot attempts by non-JavaThreads; SkipGCALot c'tor to elide re-entrant gc-a-lot attempts.
Reviewed-by: apetrusenko, jcoomes, jmasa, kamg

Summary: The field is now initialized in the constructor.
Reviewed-by: iveresov, jmasa, johnc

Summary: add a RegisterMap* argument to frame::frame_size() to correctly compute the sender frame
Reviewed-by: never

Summary: Move loop unswitch before maximally unroll
Reviewed-by: never

Summary: Don't place a load below anti-dependent PHI.
Reviewed-by: never, twisti

Summary: Set the control edge for the field _interrupted load in inline_native_isInterrupted().
Reviewed-by: never

Summary: constantPoolOopDesc::copy_cpool_bytes() - do the brute-force search search through 'tbl' when SymbolTable::lookup_only() returns NULL
Reviewed-by: kamg

Reviewed-by: iveresov, tonyp

Summary: During parallel rset updating we have to make sure that the worker ids of the refinement threads do not intersect with the worker ids that can be claimed by the mutator threads.
Reviewed-by: tonyp

Summary: 6797305 handles load widening but no shortening which should be covered here.
Reviewed-by: never, kvn

Summary: With libnuma >1.2 explicity use 1.1 symbols
Reviewed-by: ysr

Summary: Do not mark an allocation as scalar replaceable if its actual type in unknown statically.
Reviewed-by: never

Summary: Check for an object array of interface in CmpPNode::sub().
Reviewed-by: never

6826318: G1: remove traversal-based refinement code
Summary: Removed traversal-based refinement code as it's no longer used. Made the concurrent refinement (queue-based) parallel.
Reviewed-by: tonyp

Summary: Restored os::free_memory() semantics
Reviewed-by: apetrusenko

Reviewed-by: never, kvn

6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits
Summary: Cache Jvmti and DTrace flags used by Compiler.
Reviewed-by: never

Summary: The CR's test crashes with SIGSEGV when running with "-server -Xcomp" using using 32bit jvm.
Reviewed-by: kvn, never, rasbold

Summary: These methods can be instrinsified by using bit scan, bit test, and population count instructions.
Reviewed-by: kvn, never

Summary: The code that calculates the heap region index for an object address incorrectly used signed arithmetic.
Reviewed-by: jcoomes, ysr