[turbofan] Basic reductions of 64-bit machine operators.

src/compiler/machine-operator-reducer.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_OPERATOR_REDUCER_H_
 #define V8_COMPILER_MACHINE_OPERATOR_REDUCER_H_
 
 #include "src/compiler/graph-reducer.h"
 #include "src/compiler/machine-operator.h"
 
@@ skipping 14 matching lines @@
   ~MachineOperatorReducer();
 
   Reduction Reduce(Node* node) override;
 
  private:
   Node* Float32Constant(volatile float value);
   Node* Float64Constant(volatile double value);
   Node* Int32Constant(int32_t value);
   Node* Int64Constant(int64_t value);
   Node* Uint32Constant(uint32_t value) {
-    return Int32Constant(bit_cast<uint32_t>(value));
+    return Int32Constant(bit_cast<int32_t>(value));
+  }
+  Node* Uint64Constant(uint64_t value) {
+    return Int64Constant(bit_cast<int64_t>(value));
   }
   Node* Float64Mul(Node* lhs, Node* rhs);
   Node* Float64PowHalf(Node* value);
   Node* Word32And(Node* lhs, Node* rhs);
   Node* Word32And(Node* lhs, uint32_t rhs) {
     return Word32And(lhs, Uint32Constant(rhs));
   }
   Node* Word32Sar(Node* lhs, uint32_t rhs);
   Node* Word32Shr(Node* lhs, uint32_t rhs);
   Node* Word32Equal(Node* lhs, Node* rhs);
@@ skipping 14 matching lines @@
     return Replace(Int32Constant(value));
   }
   Reduction ReplaceUint32(uint32_t value) {
     return Replace(Uint32Constant(value));
   }
   Reduction ReplaceInt64(int64_t value) {
     return Replace(Int64Constant(value));
   }
 
   Reduction ReduceInt32Add(Node* node);
+  Reduction ReduceInt64Add(Node* node);
   Reduction ReduceInt32Sub(Node* node);
+  Reduction ReduceInt64Sub(Node* node);
   Reduction ReduceInt32Div(Node* node);
   Reduction ReduceUint32Div(Node* node);
   Reduction ReduceInt32Mod(Node* node);
   Reduction ReduceUint32Mod(Node* node);
   Reduction ReduceStore(Node* node);
   Reduction ReduceProjection(size_t index, Node* node);
   Reduction ReduceWord32Shifts(Node* node);
   Reduction ReduceWord32Shl(Node* node);
+  Reduction ReduceWord64Shl(Node* node);
   Reduction ReduceWord32Shr(Node* node);
+  Reduction ReduceWord64Shr(Node* node);
   Reduction ReduceWord32Sar(Node* node);
+  Reduction ReduceWord64Sar(Node* node);
   Reduction ReduceWord32And(Node* node);
   Reduction TryMatchWord32Ror(Node* node);
   Reduction ReduceWord32Or(Node* node);
   Reduction ReduceWord32Xor(Node* node);
   Reduction ReduceFloat64InsertLowWord32(Node* node);
   Reduction ReduceFloat64InsertHighWord32(Node* node);
   Reduction ReduceFloat64Compare(Node* node);
 
   Graph* graph() const;
   JSGraph* jsgraph() const { return jsgraph_; }
   CommonOperatorBuilder* common() const;
   MachineOperatorBuilder* machine() const;
 
   JSGraph* jsgraph_;
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_MACHINE_OPERATOR_REDUCER_H_