6797305: Add LoadUB and LoadUI opcode class Summary: Add a LoadUB (unsigned byte) and LoadUI (unsigned int) opcode class so we have these load optimizations in the first place and do not need to handle them in the matcher. Reviewed-by: never, kvn

6812831: factor duplicated assembly code for megamorphic invokeinterface (for 6655638) Summary: Code in vtableStubs and templateTable moved into MacroAssembler. Reviewed-by: kvn

6812678: macro assembler needs delayed binding of a few constants (for 6655638) Summary: minor assembler enhancements preparing for method handles Reviewed-by: kvn

6812721: Block's frequency should not be NaN Summary: Set MIN_BLOCK_FREQUENCY block's frequency when calculated block's frequency is NaN Reviewed-by: never

Merge

6814467: G1: small fixes related to concurrent marking verboseness Summary: A few small fixes to remove some inconsistencies in the concurrent mark-related verbose GC output. Reviewed-by: jmasa

6812428: G1: Error: assert(ret || obj_in_cs(obj),"sanity") Summary: The length of the fast cset test vector is decided at the beginning of a GC, but more regions can be added during the GC. The simple fix is to set the length of the fast cset test vector to the max. Reviewed-by: iveresov

6810698: G1: two small bugs in the sparse remembered sets Summary: The _expanded flag of the sparse RSets is not reset and this can leave a RSet in an inconsistent state if it is expanded more than once. Also, we should be iterating over the _cur, instead of the _next, sparse table Reviewed-by: apetrusenko, iveresov

6720309: G1: don't synchronously update RSet during evacuation pauses 6720334: G1: don't update RSets of collection set regions during an evacuation pause Summary: Introduced a deferred update mechanism for delaying the rset updates during the collection pause Reviewed-by: apetrusenko, tonyp

6797870: Add -XX:+{HeapDump,PrintClassHistogram}{Before,After}FullGC Summary: Call newly created CollectedHeap::dump_{pre,post}_full_gc before and after every stop-world full collection cycle on GenCollectedHeap and ParallelScavengeHeap. (Support for G1CollectedHeap forthcoming under CR 6810861.) Small modifications to existing heap dumping and class histogram implementation, especially to allow multiple on-the-fly histos/dumps by the VM thread during a single safepoint. Reviewed-by: jmasa, alanb, mchung

Merge

Merge

Merge

6567360: 3/4 SIGBUS in jvmti RawMonitor magic check for unaligned bad monitor pointer Summary: Change JvmtiEnvBase::is_valid() and JvmtiRawMonitor::is_valid() to fetch the _magic fields via Bytes::get_native_u[248](). Reviewed-by: coleenp, swamyv

6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined Summary: Remove incorrect optimization in klassItable::adjust_method_entries(). Add RedefineClasses() tracing support for obsolete method entry. Reviewed-by: acorn, swamyv

6800721: 3/4 JavaThread::jvmti_thread_state() and JvmtiThreadState::state_for() robustness Summary: Check for NULL return values from jvmti_thread_state() and state_for() and return a JVM TI error code as appropriate. Reviewed-by: coleenp, swamyv

6700114: 3/4 Assertion (_thread->get_interp_only_mode() == 1,"leaving interp only when mode not one") Summary: Don't create JvmtiThreadState for an exiting JavaThread. Reviewed-by: coleenp, swamyv

Merge

6811384: MacroAssembler::serialize_memory may touch next page on amd64 Reviewed-by: kvn, phh, twisti

6810672: Comment typos Summary: I have collected some typos I have found while looking at the code. Reviewed-by: kvn, never

6811267: Fix for 6809798 broke linux build Summary: Fix method's declaration. Reviewed-by: phh, twisti

6778669: Patch from Red Hat -- fixes compilation errors Summary: Some fixes which are required to build on recent GCCs. Reviewed-by: never, kvn Contributed-by: langel@redhat.com

6810855: KILL vs. TEMP ordering restrictions are too strong Reviewed-by: kvn

6809798: SafePointScalarObject node placed into incorrect block during GCM Summary: Replace the control edge of a pinned node before scheduling. Reviewed-by: never

6807963: need tool to make sense of LogCompilaton output Reviewed-by: kvn

6805427: adlc compiler may generate incorrect machnode emission code Reviewed-by: kvn, twisti

Merge

Merge

6806226: Signed integer overflow in growable array code causes JVM crash Summary: Workaround the overflow by doing the intermediate calculations in an unsigned variable. Reviewed-by: ysr, jcoomes

6804746: G1: guarantee(variance() > -1.0,"variance should be >= 0") (due to evacuation failure) Summary: Under certain circumstances (evacuation failure) the pause time is not communicated to the policy and, as a result, the pause time field is not initialized properly. Reviewed-by: jmasa

Merge

Merge