[turbofan] Add Int64(Add|Sub)WithOverflow support.

src/compiler/raw-machine-assembler.h

 // Copyright 2014 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.
 
 #ifndef V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_
 #define V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_
 
 #include "src/assembler.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/graph.h"
@@ skipping 262 matching lines @@
   }
   Node* Int32GreaterThan(Node* a, Node* b) { return Int32LessThan(b, a); }
   Node* Int32GreaterThanOrEqual(Node* a, Node* b) {
     return Int32LessThanOrEqual(b, a);
   }
   Node* Int32Neg(Node* a) { return Int32Sub(Int32Constant(0), a); }
 
   Node* Int64Add(Node* a, Node* b) {
     return AddNode(machine()->Int64Add(), a, b);
   }
+  Node* Int64AddWithOverflow(Node* a, Node* b) {
+    return AddNode(machine()->Int64AddWithOverflow(), a, b);
+  }
   Node* Int64Sub(Node* a, Node* b) {
     return AddNode(machine()->Int64Sub(), a, b);
   }
+  Node* Int64SubWithOverflow(Node* a, Node* b) {
+    return AddNode(machine()->Int64SubWithOverflow(), a, b);
+  }
   Node* Int64Mul(Node* a, Node* b) {
     return AddNode(machine()->Int64Mul(), a, b);
   }
   Node* Int64Div(Node* a, Node* b) {
     return AddNode(machine()->Int64Div(), a, b);
   }
   Node* Int64Mod(Node* a, Node* b) {
     return AddNode(machine()->Int64Mod(), a, b);
   }
   Node* Int64Neg(Node* a) { return Int64Sub(Int64Constant(0), a); }
@@ skipping 382 matching lines @@
   bool bound_;
   friend class RawMachineAssembler;
   DISALLOW_COPY_AND_ASSIGN(RawMachineLabel);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_