[turbofan] Drop V8_TURBOFAN_BACKEND and V8_TURBOFAN_TARGET defines.

src/compiler/instruction-selector.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/instruction-selector.h"
 
 #include <limits>
 
 #include "src/base/adapters.h"
 #include "src/compiler/instruction-selector-impl.h"
@@ skipping 759 matching lines @@
     case IrOpcode::kCheckedStore:
       return VisitCheckedStore(node);
     default:
       V8_Fatal(__FILE__, __LINE__, "Unexpected operator #%d:%s @ node #%d",
                node->opcode(), node->op()->mnemonic(), node->id());
       break;
   }
 }
 
 
-#if V8_TURBOFAN_BACKEND
-
 void InstructionSelector::VisitLoadStackPointer(Node* node) {
   OperandGenerator g(this);
   Emit(kArchStackPointer, g.DefineAsRegister(node));
 }
 
 
 void InstructionSelector::VisitLoadFramePointer(Node* node) {
   OperandGenerator g(this);
   Emit(kArchFramePointer, g.DefineAsRegister(node));
 }
@@ skipping 28 matching lines @@
   for (size_t index = 0; index < sw.case_count; ++index) {
     int32_t value = sw.case_values[index];
     BasicBlock* branch = sw.case_branches[index];
     inputs[index * 2 + 2 + 0] = g.TempImmediate(value);
     inputs[index * 2 + 2 + 1] = g.Label(branch);
   }
   Emit(kArchLookupSwitch, 0, nullptr, input_count, inputs, 0, nullptr);
 }
 
 
-#endif  // V8_TURBOFAN_BACKEND
-
 // 32 bit targets do not implement the following instructions.
-#if !V8_TURBOFAN_BACKEND_64
+#if V8_TARGET_ARCH_32_BIT
 
 void InstructionSelector::VisitWord64And(Node* node) { UNIMPLEMENTED(); }
 
 
 void InstructionSelector::VisitWord64Or(Node* node) { UNIMPLEMENTED(); }
 
 
 void InstructionSelector::VisitWord64Xor(Node* node) { UNIMPLEMENTED(); }
 
 
@@ skipping 56 matching lines @@
 
 void InstructionSelector::VisitChangeUint32ToUint64(Node* node) {
   UNIMPLEMENTED();
 }
 
 
 void InstructionSelector::VisitTruncateInt64ToInt32(Node* node) {
   UNIMPLEMENTED();
 }
 
-#endif  // V8_TARGET_ARCH_32_BIT && !V8_TARGET_ARCH_X64 && V8_TURBOFAN_BACKEND
+#endif  // V8_TARGET_ARCH_32_BIT
 
 
 void InstructionSelector::VisitFinish(Node* node) {
   OperandGenerator g(this);
   Node* value = node->InputAt(0);
   Emit(kArchNop, g.DefineSameAsFirst(node), g.Use(value));
 }
 
 
 void InstructionSelector::VisitParameter(Node* node) {
@@ skipping 196 matching lines @@
     inputs->push_back(SlotOrImmediate(&g, input_node.node));
     descriptor->SetType(value_index++, input_node.type);
   }
   for (StateValuesAccess::TypedNode input_node : StateValuesAccess(stack)) {
     inputs->push_back(SlotOrImmediate(&g, input_node.node));
     descriptor->SetType(value_index++, input_node.type);
   }
   DCHECK(value_index == descriptor->GetSize());
 }
 
-
-#if !V8_TURBOFAN_BACKEND
-
-#define DECLARE_UNIMPLEMENTED_SELECTOR(x) \
-  void InstructionSelector::Visit##x(Node* node) { UNIMPLEMENTED(); }
-MACHINE_OP_LIST(DECLARE_UNIMPLEMENTED_SELECTOR)
-#undef DECLARE_UNIMPLEMENTED_SELECTOR
-
-
-void InstructionSelector::VisitCall(Node* node, BasicBlock* handler) {
-  UNIMPLEMENTED();
-}
-
-
-void InstructionSelector::VisitTailCall(Node* node) { UNIMPLEMENTED(); }
-
-
-void InstructionSelector::VisitBranch(Node* branch, BasicBlock* tbranch,
-                                      BasicBlock* fbranch) {
-  UNIMPLEMENTED();
-}
-
-
-void InstructionSelector::VisitSwitch(Node* node, const SwitchInfo& sw) {
-  UNIMPLEMENTED();
-}
-
-
-// static
-MachineOperatorBuilder::Flags
-InstructionSelector::SupportedMachineOperatorFlags() {
-  return MachineOperatorBuilder::Flag::kNoFlags;
-}
-
-#endif  // !V8_TURBOFAN_BACKEND
-
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8