Summary: Return interface klass type if it is exact.
Reviewed-by: never

Summary: PhiNode::Ideal() should return TOP for Phi node with no users.
Reviewed-by: never, jrose

Summary: Produce narrow type for new Phi from the original Phi type.
Reviewed-by: cfang

Summary: Anti-delta for debugging debris that was inadvertently pushed.
Reviewed-by: kvn, tonyp

Summary: Get type for new Phi from non dead path.
Reviewed-by: never

Summary: Modifications to G1 so as to allow the use of compressed oops.
Reviewed-by: apetrusenko, coleenp, jmasa, kvn, never, phh, tonyp

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

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

Reviewed-by: kvn

Summary: Fix loop's probability. Add optimizations to avoid spilling. Change InlineSmallCode to product flag.
Reviewed-by: 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

Reviewed-by: rasbold, jrose

Summary: Add missing _instance_id settings and other EA fixes.
Reviewed-by: rasbold

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

Summary: Set instance_id to InstanceBot for InstPtr->meet(AryPtr) when types are not related.
Reviewed-by: jrose, never

Summary: Remove DecodeNNode::decode() and EncodePNode::encode() methods.
Reviewed-by: rasbold, never

Reviewed-by: kvn, jrose, rasbold

Summary: fix several problems in C2 related to Escape Analysis and Compressed Oops.
Reviewed-by: never, jrose

Summary: NeverBranchNodes aren't handled properly
Reviewed-by: kvn, sgoldman, rasbold, jrose

Summary: EA and initialization optimizations could bypass these nodes.
Reviewed-by: rasbold, never

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

Summary: EA gives opportunite to do more aggressive memory optimizations.
Reviewed-by: never, jrose