Merge

Merge

6689788: Bump HSX12 build version number Summary: Update HSX12 build number to 03 Reviewed-by: kvn

6692301: Side effect in NumberFormat tests with -server -Xcomp Summary: Optimization in CmpPNode::sub() removed the valid compare instruction because of false positive answer from detect_dominating_control(). Reviewed-by: jrose, sgoldman

6692235: Fix for 6666698 broke -XX:BiasedLockingStartupDelay=0 Summary: Stack allocated VM_EnableBiasedLocking op must be marked as such Reviewed-by: xlu, acorn, never, dholmes

6681646: Relocking of a scalar replaced object during deoptimization is broken Summary: Relocking of a thread-local object during deoptimization is broken Reviewed-by: kbr, jrose, never

6682236: C2 hits ideal nodes limit during IGVN optimization with EA Summary: missing check in LoadNode::Ideal() causes infinite generation of a value Phi. Reviewed-by: jrose, never

6636352: Unit tests for supplementary character support fail with -XX:+AggressiveOpts Summary: incorrect encoding Reviewed-by: kvn, rasbold, sgoldman, jrose

6679422: networkStream::connect() in ostream.cpp is not 64-bit clean Reviewed-by: jmasa, xlu

6642862: Code cache allocation fails with large pages after 6588638 Reviewed-by: apetrusenko

6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments Summary: bcEscapeAnalyzer does not analyze methods with no oop arguments. Reviewed-by: rasbold

6679854: assert in escape.cpp:397 Summary: The assert misses the case CastX2P 'base' for an unsafe field reference Reviewed-by: never, jrose

Merge

6678377: Update build number for HS12 Summary: b01 -> b02 Reviewed-by: kvn

6674600: (Escape Analysis) Optimize memory graph for instance's fields Summary: EA gives opportunite to do more aggressive memory optimizations. Reviewed-by: never, jrose

6259129: (Escape Analysis) scalar replacement for not escaping objects Summary: Use scalar replacement with EA to remove allocations for objects which do not escape the compiled method. Reviewed-by: rasbold, never, jrose

6663621: JVM crashes while trying to execute api/java_security/Signature/SignatureTests.html#initSign tests. Summary: alignment expression with secondary induction variables is sometimes wrong Reviewed-by: kvn, rasbold

6662967: Optimize I2D conversion on new x86 Summary: Use CVTDQ2PS and CVTDQ2PD for integer values conversions to float and double values on new AMD cpu. Reviewed-by: sgoldman, never

6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations Summary: copy elimination of a constant value results in incorrect execution Reviewed-by: kvn, sgoldman, rasbold

6659207: access violation in CompilerThread0 Summary: split_thru_phi produces top on a non-dead path Reviewed-by: kvn, rasbold, sgoldman

6676841: ClearArrayNode::Identity is incorrect for 64-bit Summary: ClearArrayNode::Identity should use TypeX instead of TypeInt Reviewed-by: jrose, kvn, sgoldman

6666343: Compile::has_loops not always set correctly Summary: Compile::has_loops() should be set from inlined methods Reviewed-by: kvn, rasbold

6672848: (Escape Analysis) improve lock elimination with EA Summary: Remove lock/unlock MemBar nodes and specify locks in debug info for deoptimization. Reviewed-by: never

6674588: (Escape Analysis) Improve Escape Analysis code Summary: Current EA code has several problems which have to be fixed. Reviewed-by: jrose, sgoldman