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

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

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

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

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

Summary: Renaming LoadC to LoadUS would round up the planned introduction of LoadUB and LoadUI.
Reviewed-by: phh, kvn

Summary: Add a match rule for regD_low in regD definition.
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: oop stored in unsafely in Lscratch noticed by visual inspection will not be updated by GC.
Reviewed-by: kamg, never, kvn

Summary: Inline biased locking code in C2 ideal graph during macro nodes expansion
Reviewed-by: never

Summary: sparc code for gen_subtype_check was doing an ld for a compressed oop with the sign bit set so not comparing, leading to a ClassCastException.
Reviewed-by: phh, never, acorn, kvn, xlu

Reviewed-by: kvn, rasbold

6459804: Want client (c1) compiler for x86_64 (amd64) for faster start-up
Reviewed-by: kvn

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

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

Summary: First mercurial integration of the code for the Garbage-First garbage collector.
Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr

Summary: Code in gen_subtype_check was encoding rax as an oop on a path where rax was not an oop.
Reviewed-by: never, kvn

Summary: exclude UEP size from nmethod code size and use narrow klass oop to load prototype header.
Reviewed-by: jrose, never

Reviewed-by: kvn, jrose

Summary: decouple set_klass() with zeroing the gap when compressed.
Reviewed-by: kvn, ysr, jrose

Summary: Make max classfile version number dependent on JDK version
Reviewed-by: acorn, never

Summary: Use the gap also for a narrow oop field and a boxing object value.
Reviewed-by: coleenp, never

6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions
Summary: Add LoadNKlass and CMoveN nodes, use CmpN and ConN nodes to generate narrow oops compare instructions.
Reviewed-by: never, rasbold

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

Summary: 64-bits VM crashes with -XX:+AggresiveOpts (Escape Analysis + Compressed Oops)
Reviewed-by: never, sgoldman

Summary: Initial checkin of JSDT code
Reviewed-by: acorn, sbohne

Summary: Misc. 64bit and endian fixes for sparc
Reviewed-by: never, kvn, rasbold
Contributed-by: volker.simonis@gmail.com

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

Summary: Rewrite frame::safe_for_sender and friends to be safe for collector/analyzer
Reviewed-by: dcubed, kvn

Summary: remove old private plugin interface, simplify, rework old plugin to use unchanged Gnu sources
Reviewed-by: kvn, rasbold

Summary: incorrect encoding
Reviewed-by: kvn, rasbold, sgoldman, jrose

Summary: T_ADDRESS size is defined as 'int' size (4 bytes) but C2 use it for raw pointers and as memory type for StoreP and LoadP nodes.
Reviewed-by: jrose

Summary: Use the same default number of GC threads as used by ParNewGC and ConcMarkSweepGC (i.e., the 5/8th rule).
Reviewed-by: ysr, tonyp

Reviewed-by: jcoomes