Merge

8144957: Remove PICL warning message Summary: There is no need to print any error/warning message when a library needed for performance optimization is not found on the system Reviewed-by: poonam, kvn Contributed-by: Shafi Ahmad <shafi.s.ahmad@oracle.com>

8149096: Remove unused code in methodComparator Summary: Remove unused code in methodComparator Reviewed-by: coleenp, sspitsyn, dholmes

8149542: Missing failure reporting in HeapRegion::verify Reviewed-by: tschatzl, jprovino

8149541: Use log_error() instead of log_info() when verification reports a problem Reviewed-by: jwilhelm, tbenson

8148987: [Linux] Allow building on older systems without CPU_ALLOC support Reviewed-by: dsamersoff, stuefe, dcubed

Merge

8145725: Remove the WorkAroundNPTLTimedWaitHang workaround Reviewed-by: ddmitriev, stuefe, dcubed

8141491: Unaligned memory access in Bits.c Summary: Introduce alignment-safe Copy::conjoint_swap and j.i.m.Unsafe.copySwapMemory Reviewed-by: jrose, dholmes, psandoz

Merge

8148992: VM can hang on exit if root region scanning is initiated but not executed Reviewed-by: tschatzl, pliden, jwilhelm

Merge

8136854: G1 ConcurrentG1RefineThread::stop delays JVM shutdown for >150ms Summary: Decrease the default wait delay for mark thread initialization to accomodate very short running applications. Reviewed-by: tbenson, mgerdin

8143220: Fix documentation of InitiatingHeapOccupancyPercent Summary: Adjust internal flag documentation to how it currently works. Reviewed-by: brutisso, jmasa, tamao

8150075: [JVMCI] expose reserved stack machinery and Inline flag in HotSpotVMConfig Reviewed-by: kvn, twisti

6378256: Performance problem with System.identityHashCode in client compiler Summary: Enabled C1 optimization to try pull out hashCode from object header, before calling into the VM. Reviewed-by: dlong, roland, thartmann Contributed-by: Rahul Raghavan <rahul.v.raghavan@oracle.com>

8149969: [JVMCI] PrintNMethods is ignored for CompilerToVM.installCode when not called from the broker Reviewed-by: kvn

8149813: Move trusted final field handling from C2 LoadNode::Value to shared code Reviewed-by: thartmann, kvn

Merge

8148994: Replacing MH::invokeBasic with a direct call breaks LF customization Reviewed-by: jrose, redestad

8138922: StubCodeDesc constructor publishes partially-constructed objects on StubCodeDesc::_list Reviewed-by: kvn, coleenp, dholmes

8149141: Optimized build is broken Reviewed-by: kvn, kbarrett

8149797: Compilation fails with "assert(in_hash) failed: node should be in igvn hash table" Summary: node replaced by dominating dead cast during parsing Reviewed-by: kvn

Merge

8149740: NPEs when executing some HotSpotConstantReflectionProvider with null args Reviewed-by: twisti, dnsimon

8149472: NPE when executing HotSpotConstantReflectionProvider::constantEquals with null first arg Reviewed-by: twisti, kvn, dnsimon

Merge

8149543: range check CastII nodes should not be split through Phi Summary: splitting range check CastIIs through loop induction Phi prevents further optimizations Reviewed-by: kvn, mcberg

8149421: Vectorized Post Loops Summary: add vectorised post loop for counted loops with vectors. Reviewed-by: kvn

8143542: C2 doesn't eliminate identical checks Summary: Two identical Ifs back to back can be merged Reviewed-by: kvn

8148564: compiler/intrinsics/string/TestStringIntrinsics2.java times out Summary: Test should not run with -Xcomp because MaxInlineSize is large. Reviewed-by: kvn, simonis

8149689: [JVMCI] CodeInstaller::pd_patch_DataSectionReference should be able to throw exceptions Reviewed-by: kvn