[stubs] Gets rid of the Smi(Add/Sub)WithOverflow macros.

src/interpreter/interpreter.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/interpreter/interpreter.h"
 
 #include <fstream>
 #include <memory>
 
 #include "src/ast/prettyprinter.h"
@@ skipping 1208 matching lines @@
   Node* right = __ SmiTag(raw_int);
   Node* slot_index = __ BytecodeOperandIdx(2);
   Node* type_feedback_vector = __ LoadTypeFeedbackVector();
 
   // {right} is known to be a Smi.
   // Check if the {left} is a Smi take the fast path.
   __ BranchIf(__ TaggedIsSmi(left), &fastpath, &slowpath);
   __ Bind(&fastpath);
   {
     // Try fast Smi addition first.
-    Node* pair = __ SmiAddWithOverflow(left, right);
+    Node* pair = __ IntPtrAddWithOverflow(__ BitcastTaggedToWord(left),
+                                          __ BitcastTaggedToWord(right));
     Node* overflow = __ Projection(1, pair);
 
     // Check if the Smi additon overflowed.
     Label if_notoverflow(assembler);
     __ BranchIf(overflow, &slowpath, &if_notoverflow);
     __ Bind(&if_notoverflow);
     {
       __ UpdateFeedback(__ Int32Constant(BinaryOperationFeedback::kSignedSmall),
                         type_feedback_vector, slot_index);
-      var_result.Bind(__ Projection(0, pair));
+      var_result.Bind(__ BitcastWordToTaggedSigned(__ Projection(0, pair)));
       __ Goto(&end);
     }
   }
   __ Bind(&slowpath);
   {
     Node* context = __ GetContext();
     AddWithFeedbackStub stub(__ isolate());
     Callable callable =
         Callable(stub.GetCode(), AddWithFeedbackStub::Descriptor(__ isolate()));
     Node* args[] = {left, right, slot_index, type_feedback_vector, context};
@@ skipping 22 matching lines @@
   Node* right = __ SmiTag(raw_int);
   Node* slot_index = __ BytecodeOperandIdx(2);
   Node* type_feedback_vector = __ LoadTypeFeedbackVector();
 
   // {right} is known to be a Smi.
   // Check if the {left} is a Smi take the fast path.
   __ BranchIf(__ TaggedIsSmi(left), &fastpath, &slowpath);
   __ Bind(&fastpath);
   {
     // Try fast Smi subtraction first.
-    Node* pair = __ SmiSubWithOverflow(left, right);
+    Node* pair = __ IntPtrSubWithOverflow(__ BitcastTaggedToWord(left),
+                                          __ BitcastTaggedToWord(right));
     Node* overflow = __ Projection(1, pair);
 
     // Check if the Smi subtraction overflowed.
     Label if_notoverflow(assembler);
     __ BranchIf(overflow, &slowpath, &if_notoverflow);
     __ Bind(&if_notoverflow);
     {
       __ UpdateFeedback(__ Int32Constant(BinaryOperationFeedback::kSignedSmall),
                         type_feedback_vector, slot_index);
-      var_result.Bind(__ Projection(0, pair));
+      var_result.Bind(__ BitcastWordToTaggedSigned(__ Projection(0, pair)));
       __ Goto(&end);
     }
   }
   __ Bind(&slowpath);
   {
     Node* context = __ GetContext();
     SubtractWithFeedbackStub stub(__ isolate());
     Callable callable = Callable(
         stub.GetCode(), SubtractWithFeedbackStub::Descriptor(__ isolate()));
     Node* args[] = {left, right, slot_index, type_feedback_vector, context};
@@ skipping 1332 matching lines @@
   __ StoreObjectField(generator, JSGeneratorObject::kContinuationOffset,
       __ SmiTag(new_state));
   __ SetAccumulator(old_state);
 
   __ Dispatch();
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8