Merge

Merge

8031754: Type speculation should favor profile data from outermost inlined method Summary: favor profile data coming from outer most method Reviewed-by: kvn, twisti

8035970: PPC64: fix ad file after 8027754: Enable loop optimizations for loops with MathExact Reviewed-by: kvn

8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239 Summary: biased locking's revoke_bias locks monitor in compiled frame with eliminated lock Reviewed-by: kvn, iveresov

8035283: Second phase of branch shortening doesn't account for loop alignment Summary: added missing check for loop padding case. Reviewed-by: kvn, jrose

8035396: Introduce accessor for tmp_oop in frame. Summary: Avoid #ifs by introducing the accessor function interpreter_frame_temp_oop_addr(). Reviewed-by: kvn, twisti

Merge

Merge

8034839: jvm hangs with gc/gctests/LoadUnloadGC test Summary: Provide fast lookup of checked dependencies via hashmap Reviewed-by: kvn, roland

8034188: OSR methods may not be recompiled at proper compilation level Summary: remove_osr_nmethod doesn't check that it is the correct method Reviewed-by: kvn, iveresov

8010500: [parfait] Possible null pointer dereference at hotspot/src/share/vm/opto/loopnode.hpp Summary: Added NULL check for loopnode() in get_pre_loop_end() Reviewed-by: kvn, roland

8032642: [TESTBUG] Fix testbugs in compiler/startup/.* Summary: Fixed issues with these tests Reviewed-by: kvn, twisti

Merge

8031752: Failed speculative optimizations should be reattempted when root of compilation is different Summary: support for speculative traps that keep track of the root of the compilation in which a trap occurs. Reviewed-by: kvn, twisti

8033260: assert(lrg._area >= 0.0) failed: negative spill area Summary: Change type from float to double on block frequency, and add check for +Inf - +Inf operation Reviewed-by: kvn, roland

8032656: Tag the MachSpillCopies with purpose information Summary: Subclassed the MachSpillCopyNode with different subnodes for different spill purposes to enhance debugging / visualization Reviewed-by: kvn, roland

8034775: Failing to initialize VM when running with negative value for -XX:CICompilerCount Summary: Ensure appropriate min. number of compiler threads (1 for non-tiered, and 2 for tiered) Reviewed-by: kvn

8032894: Remove dead code in Pressure::lower Summary: Remove dead code in Pressure::lower Reviewed-by: kvn, roland

8027754: Enable loop optimizations for loops with MathExact inside Reviewed-by: kvn, iveresov

8033805: Move Fast_Lock/Fast_Unlock code from .ad files to macroassembler Summary: Consolidated C2 x86 locking code in one place in macroAssembler_x86.cpp. Reviewed-by: roland

Merge

8035746: Add missing Klass::oop_is_instanceClassLoader() function Reviewed-by: mgerdin, coleenp

8035648: Don't use Handle in java_lang_String::print Reviewed-by: coleenp, pliden

8035822: Unable to test minimalVM Summary: Moved the test code inside INCLUDE_ALL_GCS Reviewed-by: dholmes, stefank

Merge

8034948: Back out JDK-6976350 since it does not fix any issue Summary: Revert JDK-6976350 because it does not improve PLAB fragmentation. To the contrary, it tends to increase the amount of wasted space with many threads. Reviewed-by: brutisso

8035329: Move G1ParCopyClosure::copy_to_survivor_space into G1ParScanThreadState Summary: Move G1ParCopyClosure::copy_to_survivor_space to decrease code size. Reviewed-by: stefank, jmasa

8035326: Assume non-NULL references in G1CollectedHeap::in_cset_fast_test Summary: Remove the assumption that G1CollectedHeap::in_cset_fast_test needs to check for NULL references. Most of the time this is not required, making the code doing this check multiple times. Reviewed-by: stefank, mgerdin, jmasa

8027559: Decrease code size and templatizing in G1ParCopyClosure::do_oop_work Summary: Move methods that are not dependent on any of G1ParCopyClosure's template parameters into G1ParCopyHelper. Further remove unused methods and members of the class hierarchy. Reviewed-by: mgerdin, stefank

8035412: Cleanup ClassLoaderData::is_alive Reviewed-by: coleenp, mgerdin

8035393: Use CLDClosure instead of CLDToOopClosure in frame::oops_interpreted_do Reviewed-by: tschatzl, coleenp