Summary: Call newly created CollectedHeap::dump_{pre,post}_full_gc before and after every stop-world full collection cycle on GenCollectedHeap and ParallelScavengeHeap. (Support for G1CollectedHeap forthcoming under CR 6810861.) Small modifications to existing heap dumping and class histogram implementation, especially to allow multiple on-the-fly histos/dumps by the VM thread during a single safepoint.
Reviewed-by: jmasa, alanb, mchung

Summary: Workaround the overflow by doing the intermediate calculations in an unsigned variable.
Reviewed-by: ysr, jcoomes

Summary: Under certain circumstances (evacuation failure) the pause time is not communicated to the policy and, as a result, the pause time field is not initialized properly.
Reviewed-by: jmasa

Summary: Mark inputs for an address expression as shared if there are other uses besides address expressions.
Reviewed-by: never

Summary: There is very much duplicated code in vm_version_x86_{32,64}.{cpp,hpp}.  Refactoring these would help maintainability.
Reviewed-by: kvn, never

Summary: Add missing checks for SCMemProj node in Escape analysis code.
Reviewed-by: never

Summary: Add checks for DecodeN nodes into AutoBox elimination code.
Reviewed-by: never

Summary: Two assertions were incorrectly composed.
Reviewed-by: tonyp

6805724: ModLNode::Ideal() generates functionally incorrect graph when divisor is any (2^k-1) constant.
Summary: C2, ModLNode::Ideal() generates functionally incorrect graph when divisor is any (2^k-1) constant.
Reviewed-by: rasbold

Summary: This patch adds a comment pointing to the Hacker's Delight version of the algorithm plus a verbatim copy of it.  Furthermore it adds inline comments.
Reviewed-by: kvn, jrose

Reviewed-by: tonyp

Summary: replaced localtime() with localtime_r() on Solaris and Linux.
Reviewed-by: apetrusenko, dholmes, jmasa

6802413: G1: G1FixedSurvivorSpaceSize should be converted into regions in calculate_survivors_policy()
Reviewed-by: tonyp, jmasa

Summary: Substitute a spin loop for most calls to yield() to reduce the stress on the system.
Reviewed-by: tonyp

Summary: Move the CreateEx up before each round of IFG construction
Reviewed-by: never, phh

Summary: Use merged memory state for an allocation's slow path.
Reviewed-by: never

6797754: G1: combined bugfix
Summary: Implemented a policy to control G1 survivor space parameters.
Reviewed-by: tonyp, iveresov

Summary: Add new product flag -XX:+IgnoreUnrecognizedVMOptions
Reviewed-by: ysr, xlu

Reviewed-by: jrose, kvn

Reviewed-by: kvn

Reviewed-by: phh, kvn

Reviewed-by: phh, kvn

Summary: The C2 compiler leads to wrong results on solaris-i486 (32-bit) for a testcase given in the CR.
Reviewed-by: never, rasbold

Summary: The CMS concurrent precleaning and concurrent marking phases should work around classes that are undergoing redefinition.
Reviewed-by: ysr, tonyp

Summary: Increased the default and maximum size of the CMS marking stack and the size of the parallel workers' work queues in 64-bit mode. The latter was accomplished by an increase in the width of the Taskqueue's Age struct and its Tag field in 64-bit mode.
Reviewed-by: jmasa, tonyp

Summary: Moved pretouching to MutableSpace. Also MutableSpace now turns on page interleaving for the region it covers.
Reviewed-by: jmasa, jcoomes

Summary: Avoid overflow list walk in CMS & ParNew when it is unnecessary. Fix a couple of correctness issues, including a C-heap leak, in ParNew at the intersection of promotion failure, work queue overflow and object array chunking. Add stress testing option and related assertion checking.
Reviewed-by: jmasa

Summary: Renaming LoadC to LoadUS would round up the planned introduction of LoadUB and LoadUI.
Reviewed-by: phh, kvn

Summary: Fix the assert in TypeKlassPtr::cast_to_ptr_type().
Reviewed-by: never

Summary: During argument processing, add alt-rt.jar to the bootclasspath between bootclasspath/p and default elements.
Reviewed-by: xlu, coleenp

Summary: Add missing code for reflection class loader in SystemDictionary::find().
Reviewed-by: never, jrose

Summary: A bunch of performance optimizations to decrease GC pause times in G1.
Reviewed-by: apetrusenko, jmasa, iveresov

Summary: With predefined headers off for gcc, some .inline.hpp files aren't included to make definition visible for inline functions
Reviewed-by: jcoomes, xlu

Reviewed-by: kvn

6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
Summary: Place the state transition inside the loop so that the VMThread could proceed for safepoint
Reviewed-by: dholmes, never, acorn

Reviewed-by: kvn

Summary: Fix compilation errors from latest gcc in CC_INTERP including offending missing void* cast.
Reviewed-by: xlu

Summary: Set minimum block frequency MIN_BLOCK_FREQUENCY 1.e-35f.
Reviewed-by: never, rasbold

Summary: The CMS concurrent precleaning and concurrent marking phases should work around classes that are undergoing redefinition.
Reviewed-by: ysr, dcubed

Reviewed-by: phh, xlu