Reviewed-by: kvn, phh

Reviewed-by: kvn

Summary: Fixed SuperWord scheduling of memory operations.
Reviewed-by: kvn, never

6805522: Server VM fails with assertion (block1->start() != block2->start(),"successors have unique bcis")
Reviewed-by: kvn

Summary: preparatory but separable changes for method handles
Reviewed-by: kvn, never

Summary: Call make_block_at() with the original handler limits.
Reviewed-by: never

Summary: We should mark the regions that continue humongous regions as live if the first region is live.
Reviewed-by: tonyp

Summary: Allow Hotspot builds with latest Windows SDK 6.1 on 64bit Windows 2003
Reviewed-by: ohair, tbell, jcoomes

Summary: Introduces two flags, -XX:-/+G1EnableParallelRSetUpdating and -XX:-/+G1EnableParallelRSetScanning, to turn on/off the "band aid" fix that serializes RSet updating / scanning during GCs.
Reviewed-by: iveresov

Summary: Enabled full verification for humongous regions. Also made sure that the VerifyAfterGC works with deferred updates and G1HRRSFlushLogBuffersOnVerify.
Reviewed-by: tonyp

6728271: G1: Cleanup G1CollectedHeap::get_gc_alloc_regions()
Summary: It allows the last half-full region to be allocated to during a GC to be reused during the next GC.
Reviewed-by: apetrusenko, jcoomes

Summary: Code in interp_masm, stubGenerator, c1_LIRAssembler, and AD files moved into MacroAssembler.
Reviewed-by: kvn

Summary: Correct the overflow check in ParGCAllocBuffer::allocate(); simplify ParGCAllocBuffer::undo_allocation().
Reviewed-by: apetrusenko, jcoomes, jmasa, minqi, phh, tonyp

Summary: bitCount() should use POPC on SPARC processors where POPC is implemented directly in hardware.
Reviewed-by: kvn, never

Summary: Use zero based compressed oops if java heap is below 32gb and unscaled compressed oops if java heap is below 4gb.
Reviewed-by: never, twisti, jcoomes, coleenp

Summary: A similar function to getisax(2) should be used to determine all possible instruction set extensions.
Reviewed-by: never, kvn

Reviewed-by: iveresov, tonyp

Summary: Update copyright for files that have been modified in 2009, up to 03/09
Reviewed-by: katleman, tbell, ohair

Summary: Add a LoadUB (unsigned byte) and LoadUI (unsigned int) opcode class so we have these load optimizations in the first place and do not need to handle them in the matcher.
Reviewed-by: never, kvn

Summary: A few small fixes to remove some inconsistencies in the concurrent mark-related verbose GC output.
Reviewed-by: jmasa

Summary: The length of the fast cset test vector is decided at the beginning of a GC, but more regions can be added during the GC. The simple fix is to set the length of the fast cset test vector to the max.
Reviewed-by: iveresov

Summary: The _expanded flag of the sparse RSets is not reset and this can leave a RSet in an inconsistent state if it is expanded more than once. Also, we should be iterating over the _cur, instead of the _next, sparse table
Reviewed-by: apetrusenko, iveresov

Summary: Code in vtableStubs and templateTable moved into MacroAssembler.
Reviewed-by: kvn

6720334: G1: don't update RSets of collection set regions during an evacuation pause
Summary: Introduced a deferred update mechanism for delaying the rset updates during the collection pause
Reviewed-by: apetrusenko, tonyp

Summary: minor assembler enhancements preparing for method handles
Reviewed-by: kvn

Summary: Set MIN_BLOCK_FREQUENCY block's frequency when calculated block's frequency is NaN
Reviewed-by: never

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: Change JvmtiEnvBase::is_valid() and JvmtiRawMonitor::is_valid() to fetch the _magic fields via Bytes::get_native_u[248]().
Reviewed-by: coleenp, swamyv

Summary: Remove incorrect optimization in klassItable::adjust_method_entries(). Add RedefineClasses() tracing support for obsolete method entry.
Reviewed-by: acorn, swamyv

Summary: Check for NULL return values from jvmti_thread_state() and state_for() and return a JVM TI error code as appropriate.
Reviewed-by: coleenp, swamyv

6700114: 3/4 Assertion (_thread->get_interp_only_mode() == 1,"leaving interp only when mode not one")
Summary: Don't create JvmtiThreadState for an exiting JavaThread.
Reviewed-by: coleenp, swamyv

Reviewed-by: kvn, phh, twisti

Summary: I have collected some typos I have found while looking at the code.
Reviewed-by: kvn, never

Summary: Fix method's declaration.
Reviewed-by: phh, twisti

Summary: Some fixes which are required to build on recent GCCs.
Reviewed-by: never, kvn
Contributed-by: langel@redhat.com

Reviewed-by: kvn

Summary: Replace the control edge of a pinned node before scheduling.
Reviewed-by: never

Reviewed-by: kvn

Reviewed-by: kvn, twisti

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