[turbofan] Add TruncateFloat64ToInt32 machine operator.

src/compiler/machine-node-factory.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_MACHINE_NODE_FACTORY_H_
 #define V8_COMPILER_MACHINE_NODE_FACTORY_H_
 
 #ifdef USE_SIMULATOR
 #define MACHINE_ASSEMBLER_SUPPORTS_CALL_C 0
 #else
@@ skipping 340 matching lines @@
   }
   Node* ChangeFloat64ToUint32(Node* a) {
     return NEW_NODE_1(MACHINE()->ChangeFloat64ToUint32(), a);
   }
   Node* ChangeInt32ToInt64(Node* a) {
     return NEW_NODE_1(MACHINE()->ChangeInt32ToInt64(), a);
   }
   Node* ChangeUint32ToUint64(Node* a) {
     return NEW_NODE_1(MACHINE()->ChangeUint32ToUint64(), a);
   }
+  Node* TruncateFloat64ToInt32(Node* a) {
+    return NEW_NODE_1(MACHINE()->TruncateFloat64ToInt32(), a);
+  }
   Node* TruncateInt64ToInt32(Node* a) {
     return NEW_NODE_1(MACHINE()->TruncateInt64ToInt32(), a);
   }
 
 #ifdef MACHINE_ASSEMBLER_SUPPORTS_CALL_C
   // Call to C.
   Node* CallC(Node* function_address, MachineType return_type,
               MachineType* arg_types, Node** args, int n_args) {
     CallDescriptor* descriptor = Linkage::GetSimplifiedCDescriptor(
         ZONE(), n_args, return_type, arg_types);
@@ skipping 14 matching lines @@
 #undef NEW_NODE_3
 #undef MACHINE
 #undef COMMON
 #undef ZONE
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_MACHINE_NODE_FACTORY_H_