[turbofan] Drop broken StaticParameterTraits.

src/compiler/machine-operator.cc

 // 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.
 
 #include "src/compiler/machine-operator.h"
 
 #include "src/base/lazy-instance.h"
 #include "src/compiler/opcodes.h"
 #include "src/compiler/operator.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
-std::ostream& operator<<(std::ostream& os,
-                         const WriteBarrierKind& write_barrier_kind) {
-  switch (write_barrier_kind) {
+std::ostream& operator<<(std::ostream& os, WriteBarrierKind kind) {
+  switch (kind) {
     case kNoWriteBarrier:
       return os << "NoWriteBarrier";
     case kFullWriteBarrier:
       return os << "FullWriteBarrier";
   }
   UNREACHABLE();
   return os;
 }
 
 
-std::ostream& operator<<(std::ostream& os, const StoreRepresentation& rep) {
+bool operator==(StoreRepresentation lhs, StoreRepresentation rhs) {
+  return lhs.machine_type() == rhs.machine_type() &&
+         lhs.write_barrier_kind() == rhs.write_barrier_kind();
+}
+
+
+bool operator!=(StoreRepresentation lhs, StoreRepresentation rhs) {
+  return !(lhs == rhs);
+}
+
+
+size_t hash_value(StoreRepresentation rep) {
+  return base::hash_combine(rep.machine_type(), rep.write_barrier_kind());
+}
+
+
+std::ostream& operator<<(std::ostream& os, StoreRepresentation rep) {
   return os << "(" << rep.machine_type() << " : " << rep.write_barrier_kind()
             << ")";
 }
 
 
-template <>
-struct StaticParameterTraits<StoreRepresentation> {
-  static std::ostream& PrintTo(std::ostream& os,
-                               const StoreRepresentation& rep) {
-    return os << rep;
-  }
-  static int HashCode(const StoreRepresentation& rep) {
-    return rep.machine_type() + rep.write_barrier_kind();
-  }
-  static bool Equals(const StoreRepresentation& rep1,
-                     const StoreRepresentation& rep2) {
-    return rep1 == rep2;
-  }
-};
-
-
-template <>
-struct StaticParameterTraits<LoadRepresentation> {
-  static std::ostream& PrintTo(std::ostream& os,
-                               LoadRepresentation type) {  // NOLINT
-    return os << type;
-  }
-  static int HashCode(LoadRepresentation type) { return type; }
-  static bool Equals(LoadRepresentation lhs, LoadRepresentation rhs) {
-    return lhs == rhs;
-  }
-};
-
-
 #define PURE_OP_LIST(V)                                                       \
   V(Word32And, Operator::kAssociative | Operator::kCommutative, 2, 1)         \
   V(Word32Or, Operator::kAssociative | Operator::kCommutative, 2, 1)          \
   V(Word32Xor, Operator::kAssociative | Operator::kCommutative, 2, 1)         \
   V(Word32Shl, Operator::kNoProperties, 2, 1)                                 \
   V(Word32Shr, Operator::kNoProperties, 2, 1)                                 \
   V(Word32Sar, Operator::kNoProperties, 2, 1)                                 \
   V(Word32Ror, Operator::kNoProperties, 2, 1)                                 \
   V(Word32Equal, Operator::kCommutative, 2, 1)                                \
   V(Word64And, Operator::kAssociative | Operator::kCommutative, 2, 1)         \
@@ skipping 167 matching lines @@
     default:
       break;
   }
   UNREACHABLE();
   return NULL;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8