8078666: JVM fastdebug build compiled with GCC 5 asserts with "widen increases" Summary: do the math on the unsigned type where overflows are well defined Reviewed-by: kvn, aph

8078444: compiler/arraycopy/TestArrayCopyNoInitDeopt.java fails with exception 'm2 not deoptimized' Summary: some platform don't have speculative types Reviewed-by: kvn

Merge

8068945: Use RBP register as proper frame pointer in JIT compiled code on x86 Summary: Introduce the PreserveFramePointer flag to control if RBP is used as the frame pointer or as a general purpose register. Reviewed-by: kvn, roland, dlong, enevill, shade

8078482: ppc: pass thread to throw_AbstractMethodError Summary: Also improve check for Safepoints in signal handler. Reviewed-by: kvn, simonis

8077838: Recent developments for ppc. Summary: Power 8 recognition and instructions, math.*Exact intrinsics and rtm, C2 optimizations Reviewed-by: kvn, simonis

8076987: C1 should support conditional card marks (UseCondCardMark) Reviewed-by: iveresov, roland

8078309: compiler/jsr292/MHInlineTest.java failed with java.lang.RuntimeException: 'MHInlineTest$A::protected_x (3 bytes) virtual call' found in stdout Reviewed-by: jrose

8069191: moving predicate out of loops may cause array accesses to bypass null check Summary: Remove CastPP nodes only during final graph reshape Reviewed-by: kvn, jrose

8078113: 8011102 changes may cause incorrect results Summary: replace Vzeroupper instruction in stubs with zeroing only used ymm registers. Reviewed-by: kvn Contributed-by: sandhya.viswanathan@intel.com