[intrinsics] Nuke %HasCachedArrayIndex and %GetCachedArrayIndex.

src/full-codegen/x64/full-codegen-x64.cc

Index: src/full-codegen/x64/full-codegen-x64.cc
diff --git a/src/full-codegen/x64/full-codegen-x64.cc b/src/full-codegen/x64/full-codegen-x64.cc
index 0624c28288b390e1dcb93e2c3505f1b595eb1f91..346bac9e2186e5d44d45c1577991b38df08e87ac 100644
--- a/src/full-codegen/x64/full-codegen-x64.cc
+++ b/src/full-codegen/x64/full-codegen-x64.cc
@@ -2711,45 +2711,6 @@ void FullCodeGenerator::EmitCall(CallRuntime* expr) {
   context()->DropAndPlug(1, rax);
 }
 
-
-void FullCodeGenerator::EmitHasCachedArrayIndex(CallRuntime* expr) {
-  ZoneList<Expression*>* args = expr->arguments();
-  DCHECK(args->length() == 1);
-
-  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);
-
-  __ testl(FieldOperand(rax, String::kHashFieldOffset),
-           Immediate(String::kContainsCachedArrayIndexMask));
-  PrepareForBailoutBeforeSplit(expr, true, if_true, if_false);
-  __ j(zero, if_true);
-  __ jmp(if_false);
-
-  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(rax);
-
-  __ movl(rax, FieldOperand(rax, String::kHashFieldOffset));
-  DCHECK(String::kHashShift >= kSmiTagSize);
-  __ IndexFromHash(rax, rax);
-
-  context()->Plug(rax);
-}
-
-
 void FullCodeGenerator::EmitGetSuperConstructor(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   DCHECK_EQ(1, args->length());