Summary: post-register allocation pass that drives block layout by edge frequencies
Reviewed-by: never, kvn

Reviewed-by: rasbold, jrose

Reviewed-by: rasbold, kvn, kamg

Reviewed-by: kvn, rasbold

Reviewed-by: kvn

6306922: Dump dump created by +HeapDumpOnOutOfMemoryError should include stack traces for stack roots
Summary: Include stack traces of all threads in the heap dump
Reviewed-by: alanb

Summary: Use SSE2 movdqu in arraycopy stubs on newest Intel's cpus
Reviewed-by: rasbold

6700107: java/lang/Class/forName/TooManyDimensions.java crashes with SIGSEGV in c2 compiler with fastdebug
Summary: objArrayKlass::compute_modifier_flags was unnecessarily recursive
Reviewed-by: kamg

Summary: suppress constant folding of double divides and multiplications on ia32
Reviewed-by: never

Summary: Avoid growth of a GrowableArray backend of HeapRegionSeq.
Reviewed-by: tonyp, jcoomes

Summary: add match rule for xor -1
Reviewed-by: never, kvn

Summary: Fixes assertions caused by one jvm_entry calling another, solved by refactoring code and modified gamma test.
Reviewed-by: dholmes, xlu

Summary: The per-lgrp chuck size can be incorrectly computed (causing an assertion failure) because of the non-associativity of the floating point operations. The fix is to rearrange the operations.
Reviewed-by: ysr

6673124: Runtime.availableProcessors / os::active_processor_count wrong if unused processor sets exist
Reviewed-by: acorn, dholmes

Summary: Introduce parallel heap verification in G1.
Reviewed-by: jcoomes, apetrusenko

Reviewed-by: rasbold, kvn

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

Summary: For windows server 2003 added option to reserve large pages individually.
Reviewed-by: alanb, jcoomes, tonyp, apetrusenko

Summary: Fix loop's probability. Add optimizations to avoid spilling. Change InlineSmallCode to product flag.
Reviewed-by: never

Reviewed-by: tonyp, jmasa, apetrusenko

Reviewed-by: iveresov, tonyp

Summary: test for null instead of strlen
Reviewed-by: rasbold

Reviewed-by: jmasa

Summary: Treat a chuck where the allocation has failed as fully used.
Reviewed-by: ysr

6719149: Wrong "java/lang/String should not be loaded yet" assertion in fastdebug bits with UseStringCache
Summary: Assertion is invalid because java.lang.String may be initialized just before this assertion.
Reviewed-by: phh

Reviewed-by: kamg, kvn
Contributed-by: volker.simonis@gmail.com

Summary: handle NaN costs more carefully
Reviewed-by: kvn, never

Summary: Push DecodeN node below the Null check to the non-null path to use the mach node without 0 test.
Reviewed-by: rasbold, never

Summary: An update buffer is not processed correctly, which causes roots into the collection set not to be scanned and, hence, for the heap to be corrupted. The cause is that an object is accessed after it has been explicitly deleted, which causes a race.
Reviewed-by: jcoomes, ysr

Reviewed-by: rasbold, jrose

Summary: insert CastII nodes to narrow type of load_array_length() node
Reviewed-by: never, kvn

Summary: add missing implicit null check cases.
Reviewed-by: never

Summary: Add support for narrow oops in debug info to avoid decoding.
Reviewed-by: rasbold, never

Summary: Always look for the existing phi for a processed live_range.
Reviewed-by: rasbold

Reviewed-by: kvn

Summary: Add asserts with dead loop checks in AddNode::Ideal().
Reviewed-by: never

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

Reviewed-by: rasbold

Reviewed-by: kvn, rasbold

Summary: Turn off c2 implicit null checking on windows and large pages specified.
Reviewed-by: jrose, xlu