8135154: Move cards scanned and surviving young words aggregation to G1ParScanThreadStateSet Reviewed-by: tschatzl, ehelin

8135152: Create a G1ParScanThreadStateSet class for managing G1 GC per thread states Reviewed-by: tschatzl, ehelin

8134797: Remove explicit casts in CollectorPolicy hierarchy Summary: Removed the explicit casts. Reviewed-by: jwilhelm, tschatzl, pliden

Merge

8134974: 8130847 broken with loop predicates Summary: Pinned eliminated arraycopy loads in uncommon trap path for loop predicates may need to be moved Reviewed-by: kvn

8135069: C2 replaces range checks by unsigned comparison with -1 Summary: i < 0 || i > -1 wrongly folded as i >u -1 Reviewed-by: kvn

Merge

8135252: IdealLoopTree::dump_head() prints negative trip count Summary: IdealLoopTree::dump_head() should not cast float to int. Reviewed-by: kvn

Merge

8080999: MemoryPoolMXBean.getUsageThresholdCount() returns incorrect value Summary: Fixed race condition in the JMX code for the LowMemoryDetector. Reviewed-by: kvn

8132160: support for AVX 512 call frames and stack management Summary: simplify save/restore frame on x86 systems which support EVEX. Reviewed-by: kvn, iveresov

8132980: Improve stability of whitebox methods getCodeBlob and freeCodeBlob Summary: Added checks for negative and null size and address values (where applicable) for getCodeBlob, allocateCodeBlob and freeCodeBlob, added regression test Reviewed-by: iignatyev

8135157: DMB elimination in AArch64 C2 synchronization implementation Summary: Reduce memory barrier usage in C2 fast lock and unlock. Reviewed-by: kvn Contributed-by: wei.tang@linaro.org, aph@redhat.com

Merge

8135028: support for vectorizing double precision sqrt Reviewed-by: kvn, twisti