Summary: Rename can_post_exceptions support to can_post_on_exceptions. Add support for should_post_on_exceptions flag to permit per JavaThread optimizations.
Reviewed-by: never, kvn, dcubed
Contributed-by: tom.deneau@amd.com

Reviewed-by: kvn, twisti

6877254: Server vm crashes with no branches off of store slice" when run with CMS and UseSuperWord(default)
Summary: design StoreCMNode::Ideal to promote its oopStore input if the input is a MergeMem node
Reviewed-by: kvn, never

Summary: developed a reexecute logic for the interpreter to reexecute the bytecode when deopt happens
Reviewed-by: kvn, never, jrose, twisti

Summary: Fix eliminate_card_mark() to eliminate G1 pre/post barriers.
Reviewed-by: never

Reviewed-by: kvn

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

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

Reviewed-by: kvn

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