[turbofan] Introduce integer multiplication with overflow.

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 237 matching lines @@
   }
   Node* Int32SubWithOverflow(Node* a, Node* b) {
     return AddNode(machine()->Int32SubWithOverflow(), a, b);
   }
   Node* Int32Mul(Node* a, Node* b) {
     return AddNode(machine()->Int32Mul(), a, b);
   }
   Node* Int32MulHigh(Node* a, Node* b) {
     return AddNode(machine()->Int32MulHigh(), a, b);
   }
+  Node* Int32MulWithOverflow(Node* a, Node* b) {
+    return AddNode(machine()->Int32MulWithOverflow(), a, b);
+  }
   Node* Int32Div(Node* a, Node* b) {
     return AddNode(machine()->Int32Div(), a, b);
   }
   Node* Int32Mod(Node* a, Node* b) {
     return AddNode(machine()->Int32Mod(), a, b);
   }
   Node* Int32LessThan(Node* a, Node* b) {
     return AddNode(machine()->Int32LessThan(), a, b);
   }
   Node* Int32LessThanOrEqual(Node* a, Node* b) {
@@ skipping 524 matching lines @@
   bool deferred_;
   friend class RawMachineAssembler;
   DISALLOW_COPY_AND_ASSIGN(RawMachineLabel);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_