8139377: JVM can't be started w/ -XX:+EnableJVMCI -XX:+UseJVMCICompiler and default TypeProfileWidth Summary: Raise upper bound of TypeProfileWidth from 4 to 8. Reviewed-by: iveresov, twisti

8139421: PPC64LE: MacroAssembler::bxx64_patchable kill register R12 Summary: Register R12 must be preserved for stub calls (e.g. deopt handler). Reviewed-by: goetz

8139454: java/lang/Math/WorstCaseTests.java crashes on Linux-amd64 Summary: Emit the form of pextrw that works with sse2 Reviewed-by: iveresov, twisti Contributed-by: vivek.r.deshpande@intel.com