Summary: Substitute a spin loop for most calls to yield() to reduce the stress on the system.
Reviewed-by: 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: Fixed the wrong cast between types since more restrictions are imposed by gcc 4.3.2
Reviewed-by: jcoomes, acorn, phh, never

6787106: Hotspot 32 bit build fails on platforms having different definitions for intptr_t & int32_t
Summary: Avoid casting between int32_t and intptr_t specifically for MasmAssembler::movptr in 32 bit platforms.
Reviewed-by: jrose, kvn

Summary: Using UseOSErrorReporting will provide both an hs_err file and a crash dump or debug launch and works better.
Reviewed-by: xlu, acorn, poonam

Summary: Update copyright for files that have been modified starting July 2008 to Dec 2008
Reviewed-by: katleman, ohair, tbell

Summary: Print out JDK/JRE version that hotspot knows about.
Reviewed-by: kamg, blacklion, acorn, alanb

Summary: For current soft-ref clearing policies, we can decide at marking time if a soft-reference will definitely not be cleared, postponing the decision of whether it will definitely be cleared to the final reference processing phase. This can be especially beneficial in the case of concurrent collectors where the marking is usually concurrent but reference processing is usually not.
Reviewed-by: jmasa

Summary: minor cleanups & tuning of array.hpp, debug.cpp, growableArray.hpp, hashtable.cpp
Reviewed-by: kvn

Summary: low-level privileged sun.misc.Unsafe.defineAnonymousClass
Reviewed-by: kvn

Summary: Inline biased locking code in C2 ideal graph during macro nodes expansion
Reviewed-by: never

Summary: Update for files that have been modified starting July 2008
Reviewed-by: ohair, tbell

Reviewed-by: iveresov, tonyp

Summary: Changed the guard on the definition of the method value in HeapWord from ASSERT to not PRODUCT.
Reviewed-by: iveresov, apetrusenko

6459804: Want client (c1) compiler for x86_64 (amd64) for faster start-up
Reviewed-by: kvn

Summary: Maintain a high water mark for the allocations in a space and mangle only up to that high water mark.
Reviewed-by: ysr, apetrusenko

Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell

Reviewed-by: kvn, jrose

Summary: This fix enables the generation of core file when process runs out of C-heap.
Reviewed-by: sbohne

Summary: First mercurial integration of the code for the Garbage-First garbage collector.
Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr

Summary: Transform long division by constant into multiply
Reviewed-by: never, kvn

Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv
Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold

Summary: remove old private plugin interface, simplify, rework old plugin to use unchanged Gnu sources
Reviewed-by: kvn, rasbold

Reviewed-by: jmasa, xlu

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

Summary: Changed wording to "A fatal error.." also don't claim it's not VM bug if in hotspot compilers (Java thread in native).
Reviewed-by: jjh, sbohne, jrose, never

Summary: T_ADDRESS size is defined as 'int' size (4 bytes) but C2 use it for raw pointers and as memory type for StoreP and LoadP nodes.
Reviewed-by: jrose