Reviewed-by: kvn, twisti

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

Summary: initial implementation, with known omissions (x86/64, sparc, compiler optim., c-oops, C++ interp.)
Reviewed-by: kvn, twisti, never

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

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

Summary: Use NULL_WORD in the places where intptr_t is expected due to incompatible types between intptr_t & int32_t
Reviewed-by: phh, coleenp, never

Summary: Use SSE2 movdqu in arraycopy stubs on newest Intel's cpus
Reviewed-by: rasbold

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

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

Reviewed-by: kvn

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

Summary: restore destination address in x86 32-bit checkcast_arraycopy stub
Reviewed-by: jrose, kvn, never

Reviewed-by: jcoomes