6711117: Assertion in 64bit server vm (flat != TypePtr::BOTTOM,"cannot alias-analyze an untyped ptr")
Summary: Delay a memory node transformation if its control or address on IGVN worklist.
Reviewed-by: never

6826960: C2 Sparc: assert(bb->_nodes(_bb_end)->is_Proj(),"skipping projections after expected call")
Summary: Add the check when a Halt node is placed in a separate block.
Reviewed-by: twisti

Summary: Use a HaltNode on the fall through path of the AllocateArrayNode to indicate that it is unreachable if the array length is negative.
Reviewed-by: never, jrose

Reviewed-by: kvn, jrose

Summary: Use SSE 4.2 in intrinsics for String.{compareTo/equals/indexOf} and Arrays.equals.
Reviewed-by: kvn, never, jrose

Summary: Tune C2 flags default values for performance.
Reviewed-by: never, phh, iveresov, jmasa, ysr

Summary: Used the outer loop frequency in frequencies checks in RA.
Reviewed-by: never, twisti

Reviewed-by: kvn

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

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

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

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

Summary: Mark inputs for an address expression as shared if there are other uses besides address expressions.
Reviewed-by: 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

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

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

Reviewed-by: jrose, kvn

Reviewed-by: 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: 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

Reviewed-by: kvn

Reviewed-by: kvn

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

Summary: Add the missing check for CreateEx. Add new notproduct flag VerifyRegisterAllocator.
Reviewed-by: never

Summary: Fixed the wrong cast between types since more restrictions are imposed by gcc 4.3.2
Reviewed-by: jcoomes, acorn, phh, never

Summary: Relax the assert for Sparc.
Reviewed-by: never

Summary: Restore the code which sets a control edge for a klass load node.
Reviewed-by: never

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

Summary: Create new "eliminated" BoxLock node for monitor debug info when corresponding locks are eliminated.
Reviewed-by: never

6773078: UseCompressedOops: assert(kid == 0L || s->_leaf->in(0) == 0L,"internal operands have no control")
Summary: Don't set the control edge of a klass load node.
Reviewed-by: never