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: rasbold, kvn

Summary: post-register allocation pass that drives block layout by edge frequencies
Reviewed-by: never, kvn