[intrinsics] Nuke %HasCachedArrayIndex and %GetCachedArrayIndex.

src/full-codegen/s390/full-codegen-s390.cc

Index: src/full-codegen/s390/full-codegen-s390.cc
diff --git a/src/full-codegen/s390/full-codegen-s390.cc b/src/full-codegen/s390/full-codegen-s390.cc
index 7a7089dc854d87b8c4d4bc0377d687d7292980f9..855161b768e9febced6d434579a416df47e5433c 100644
--- a/src/full-codegen/s390/full-codegen-s390.cc
+++ b/src/full-codegen/s390/full-codegen-s390.cc
@@ -2766,38 +2766,6 @@ void FullCodeGenerator::EmitCall(CallRuntime* expr) {
   context()->DropAndPlug(1, r2);
 }
 
-void FullCodeGenerator::EmitHasCachedArrayIndex(CallRuntime* expr) {
-  ZoneList<Expression*>* args = expr->arguments();
-  VisitForAccumulatorValue(args->at(0));
-
-  Label materialize_true, materialize_false;
-  Label* if_true = NULL;
-  Label* if_false = NULL;
-  Label* fall_through = NULL;
-  context()->PrepareTest(&materialize_true, &materialize_false, &if_true,
-                         &if_false, &fall_through);
-
-  __ LoadlW(r2, FieldMemOperand(r2, String::kHashFieldOffset));
-  __ AndP(r0, r2, Operand(String::kContainsCachedArrayIndexMask));
-  PrepareForBailoutBeforeSplit(expr, true, if_true, if_false);
-  Split(eq, if_true, if_false, fall_through);
-
-  context()->Plug(if_true, if_false);
-}
-
-void FullCodeGenerator::EmitGetCachedArrayIndex(CallRuntime* expr) {
-  ZoneList<Expression*>* args = expr->arguments();
-  DCHECK(args->length() == 1);
-  VisitForAccumulatorValue(args->at(0));
-
-  __ AssertString(r2);
-
-  __ LoadlW(r2, FieldMemOperand(r2, String::kHashFieldOffset));
-  __ IndexFromHash(r2, r2);
-
-  context()->Plug(r2);
-}
-
 void FullCodeGenerator::EmitGetSuperConstructor(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   DCHECK_EQ(1, args->length());