[turbofan] Create ExplicitOperands to specify operands without virtual registers

src/compiler/code-generator.cc

 // Copyright 2013 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/code-generator.h"
 
 #include "src/address-map.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/pipeline.h"
@@ skipping 202 matching lines @@
 
 void CodeGenerator::RecordSafepoint(ReferenceMap* references,
                                     Safepoint::Kind kind, int arguments,
                                     Safepoint::DeoptMode deopt_mode) {
   Safepoint safepoint =
       safepoints()->DefineSafepoint(masm(), kind, arguments, deopt_mode);
   int stackSlotToSpillSlotDelta =
       frame()->GetTotalFrameSlotCount() - frame()->GetSpillSlotCount();
   for (auto& operand : references->reference_operands()) {
     if (operand.IsStackSlot()) {
-      int index = StackSlotOperand::cast(operand).index();
+      int index = LocationOperand::cast(operand).index();
       DCHECK(index >= 0);
       // Safepoint table indices are 0-based from the beginning of the spill
       // slot area, adjust appropriately.
       index -= stackSlotToSpillSlotDelta;
       safepoint.DefinePointerSlot(index, zone());
     } else if (operand.IsRegister() && (kind & Safepoint::kWithRegisters)) {
-      Register reg = RegisterOperand::cast(operand).GetRegister();
+      Register reg = LocationOperand::cast(operand).GetRegister();
       safepoint.DefinePointerRegister(reg, zone());
     }
   }
 }
 
 
 bool CodeGenerator::IsMaterializableFromFrame(Handle<HeapObject> object,
                                               int* offset_return) {
   if (linkage()->GetIncomingDescriptor()->IsJSFunctionCall()) {
     if (info()->has_context() && object.is_identical_to(info()->context()) &&
@@ skipping 341 matching lines @@
   return deoptimization_id;
 }
 
 
 void CodeGenerator::AddTranslationForOperand(Translation* translation,
                                              Instruction* instr,
                                              InstructionOperand* op,
                                              MachineType type) {
   if (op->IsStackSlot()) {
     if (type == kMachBool || type == kRepBit) {
-      translation->StoreBoolStackSlot(StackSlotOperand::cast(op)->index());
+      translation->StoreBoolStackSlot(LocationOperand::cast(op)->index());
     } else if (type == kMachInt32 || type == kMachInt8 || type == kMachInt16) {
-      translation->StoreInt32StackSlot(StackSlotOperand::cast(op)->index());
+      translation->StoreInt32StackSlot(LocationOperand::cast(op)->index());
     } else if (type == kMachUint32 || type == kMachUint16 ||
                type == kMachUint8) {
-      translation->StoreUint32StackSlot(StackSlotOperand::cast(op)->index());
+      translation->StoreUint32StackSlot(LocationOperand::cast(op)->index());
     } else if ((type & kRepMask) == kRepTagged) {
-      translation->StoreStackSlot(StackSlotOperand::cast(op)->index());
+      translation->StoreStackSlot(LocationOperand::cast(op)->index());
     } else {
       CHECK(false);
     }
   } else if (op->IsDoubleStackSlot()) {
     DCHECK((type & (kRepFloat32 | kRepFloat64)) != 0);
-    translation->StoreDoubleStackSlot(
-        DoubleStackSlotOperand::cast(op)->index());
+    translation->StoreDoubleStackSlot(LocationOperand::cast(op)->index());
   } else if (op->IsRegister()) {
     InstructionOperandConverter converter(this, instr);
     if (type == kMachBool || type == kRepBit) {
       translation->StoreBoolRegister(converter.ToRegister(op));
     } else if (type == kMachInt32 || type == kMachInt8 || type == kMachInt16) {
       translation->StoreInt32Register(converter.ToRegister(op));
     } else if (type == kMachUint32 || type == kMachUint16 ||
                type == kMachUint8) {
       translation->StoreUint32Register(converter.ToRegister(op));
     } else if ((type & kRepMask) == kRepTagged) {
@@ skipping 51 matching lines @@
     : masm_(gen->masm()), next_(gen->ools_) {
   gen->ools_ = this;
 }
 
 
 OutOfLineCode::~OutOfLineCode() {}
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8