Summary: The optimizer should be told to normalize (AndL (ConvI2L x) 0xFF) to (ConvI2L (AndI x 0xFF)), and then the existing matcher rule will work for free.
Reviewed-by: kvn

Summary: MaxLabelRootDepth value less then 10 is invalid.
Reviewed-by: never

Summary: Have the meet not symmetric check recursively do the interface-vs-oop check on array subtypes.
Reviewed-by: jrose
Contributed-by: rasbold@google.com

Summary: Disable escape analysis when jvmti/debugger is used. Add support for EA ibto SA.
Reviewed-by: never

Summary: Move loop unswitch before maximally unroll
Reviewed-by: never

Summary: Don't place a load below anti-dependent PHI.
Reviewed-by: never, twisti

Summary: Set the control edge for the field _interrupted load in inline_native_isInterrupted().
Reviewed-by: never

Summary: Do not mark an allocation as scalar replaceable if its actual type in unknown statically.
Reviewed-by: never

Summary: Check for an object array of interface in CmpPNode::sub().
Reviewed-by: never

6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits
Summary: Cache Jvmti and DTrace flags used by Compiler.
Reviewed-by: never

Summary: The CR's test crashes with SIGSEGV when running with "-server -Xcomp" using using 32bit jvm.
Reviewed-by: kvn, never, rasbold

Summary: These methods can be instrinsified by using bit scan, bit test, and population count instructions.
Reviewed-by: kvn, never

Summary: Don't perform CMOVE identity optimization for floating point types
Reviewed-by: kvn, never

Summary: Relocate the stack pointer adjustment to where uncommon_trap is actually inserted for new_array.
Reviewed-by: kvn, jrose

6709742: find_base_for_derived's use of Ideal NULL is unsafe causing crashes during register allocation
Summary: Create a mach node corresponding to ideal node ConP #NULL specifically for derived pointers.
Reviewed-by: never

Summary: invokedynamic instruction (JSR 292 RI)
Reviewed-by: twisti, never

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