6873800: enable compressed oops by default Summary: enable compressed oops by default Reviewed-by: never, ysr

6873116: Modify reexecute implementation to use pcDesc to record the reexecute bit Summary: use PcDesc to keep record of the reexecute bit instead of using DebugInfoStreams Reviewed-by: kvn, never, twisti

6873799: enable escape analysis by default Summary: enable escape analysis by default Reviewed-by: never

6873777: FPU control word optimization still performed with SSE Reviewed-by: kvn

6795465: Crash in assembler_sparc.cpp with client compiler on solaris-sparc Reviewed-by: twisti, cfang

6866651: Regression: simple int sum crashes jvm (build 1.6.0_14-b08 and 1.7.0-ea-b59) Summary: delay dead code elimination in set_req_X to make it safe Reviewed-by: kvn, never

6829127: Deoptimization Failure on Specjvm98 _227_mtrt with -XX:+DeoptimizeALot since Hs11 b01 Summary: Make sure the control word is correct in deopt_blob after restore_result_registers Reviewed-by: kvn, never

Merge

Merge

6862863: C2 compiler fails in elide_copy() Reviewed-by: kvn

6869822: assert(Universe::narrow_oop_shift() == 0,"use unscaled narrow oop") Summary: Replace the assert with narrow_oop_shift set to 0. Reviewed-by: never, jcoomes

6862956: PhaseIdealLoop should have a CFG verification mode Reviewed-by: kvn, twisti

Merge

Merge

Merge

6862945: 4/3 conversion of jmethodID to methodOop in JVMTI is too expensive Summary: Refactor JNIHandles::checked_resolve_jmethod_id() into fast and paranoid parts. Reviewed-by: never, alanb