Merge

6784100: getTimeNanos - CAS reduction Summary: Get rid of the CAS loop in getTimeNanos to reduce coherence traffic on Solaris. Reviewed-by: acorn, kvn, ysr

6786340: hs14b09a pit: a lot of tests failed in "-server -Xcomp" on solaris-amd64 using fastdebug bits Summary: Fixes the nsk-jdi PIT failures introduced by fix for 6739363 Reviewed-by: kvn, coleenp

Merge

6786188: par compact - "SplitALot" stress mode should fill to_space Reviewed-by: jmasa, tonyp

6784849: par compact - can fail when to_space is non-empty Reviewed-by: jmasa, tonyp

6786195: many nsk.monitoring tests fail with -server -Xcomp Summary: remove Universe::_fillerArrayKlassObj and associated code Reviewed-by: jmasa, tonyp

Merge

6787050: assert(n->in(0) == 0L,"no control") with UseCompressedOops on sparcv9 Summary: Relax the assert for Sparc. Reviewed-by: never

Merge

6782820: Server VM fails with "unhandled implicit exception in compiled code" Summary: Restore the code which sets a control edge for a klass load node. Reviewed-by: never

6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes. Reviewed-by: ysr, mchung

Merge

6758234: if (k cond (a ? : b: c)) returns reversed answer if k is constant and b and c are longs Reviewed-by: kvn, jrose

6757316: load_constant() produces a wrong long constant, with high a low words swapped Reviewed-by: rasbold, jrose, kvn

6767587: missing call to make_not_entrant after deoptimizing for patching volatiles Reviewed-by: rasbold, kvn

Merge

6765954: par compact - stress mode for splitting young gen spaces Reviewed-by: jmasa

6765745: par compact - allow young gen spaces to be split Reviewed-by: jmasa

6578152: fill_region_with_object has usability and safety issues Reviewed-by: apetrusenko, ysr

6782457: CMS: Livelock in CompactibleFreeListSpace::block_size() 6736295: SIGSEGV in product jvm, assertion "these are the only valid states during a mark sweep" in fastdebug Summary: Restructured the code in the perm gen allocation retry loop so as to avoid "safepoint-blocking" on locks, in this case the Heap_lock, while holding uninitialized allocated heap storage. Reviewed-by: apetrusenko, iveresov, jcoomes, jmasa, poonam

Merge

6639341: sometimes contended-exit event comes after contended-entered on another thread Summary: DTrace probe "contended-exit" should be fired before unparking object, or context could be lost. Probe firing was moved to proper place. Reviewed-by: coleenp, kamg

6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE Summary: Make reguard_stack change access to RW, not execute and use os::protect_memory with the new parameter when change needed to X. Reviewed-by: acorn, jcoomes

Merge

6771309: debugging AD files is difficult without #line directives in generated code Summary: more and better #line and #define directives in the generated code; ADLC itself accepts #line directives Reviewed-by: never, kvn

6779339: turn off LinkWellKnownClasses by default pending further testing Summary: temporarily turn off LinkWellKnownClasses optimization Reviewed-by: never, kvn

6689685: Hotspot crash error message should include libraries version Summary: Print out JDK/JRE version that hotspot knows about. Reviewed-by: kamg, blacklion, acorn, alanb