src/share/vm/opto/matcher.cpp

rev 9706 : 8147844: new method j.l.Runtime.onSpinWait() and the corresponding x86 hotspot instrinsic
Contributed-by: ikrylov, ygaevsky
Reviewed-by: iveresov, vlivanov

@@ -941,10 +941,11 @@
     case Op_HasNegatives:
     case Op_MemBarVolatile:
     case Op_MemBarCPUOrder: // %%% these ideals should have narrower adr_type?
     case Op_StrInflatedCopy:
     case Op_StrCompressedCopy:
+    case Op_OnSpinWait:
     case Op_EncodeISOArray:
       nidx = Compile::AliasIdxTop;
       nat = NULL;
       break;
     }