[turbofan] Add checked load/store operators.

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 "src/compiler/graph.h"
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties-inl.h"
@@ skipping 115 matching lines @@
     size_t temp_count, InstructionOperand** temps) {
   size_t output_count = output == NULL ? 0 : 1;
   InstructionOperand* inputs[] = {a, b, c, d};
   size_t input_count = arraysize(inputs);
   return Emit(opcode, output_count, &output, input_count, inputs, temp_count,
               temps);
 }
 
 
 Instruction* InstructionSelector::Emit(
+    InstructionCode opcode, InstructionOperand* output, InstructionOperand* a,
+    InstructionOperand* b, InstructionOperand* c, InstructionOperand* d,
+    InstructionOperand* e, size_t temp_count, InstructionOperand** temps) {
+  size_t output_count = output == NULL ? 0 : 1;
+  InstructionOperand* inputs[] = {a, b, c, d, e};
+  size_t input_count = arraysize(inputs);
+  return Emit(opcode, output_count, &output, input_count, inputs, temp_count,
+              temps);
+}
+
+
+Instruction* InstructionSelector::Emit(
+    InstructionCode opcode, InstructionOperand* output, InstructionOperand* a,
+    InstructionOperand* b, InstructionOperand* c, InstructionOperand* d,
+    InstructionOperand* e, InstructionOperand* f, size_t temp_count,
+    InstructionOperand** temps) {
+  size_t output_count = output == NULL ? 0 : 1;
+  InstructionOperand* inputs[] = {a, b, c, d, e, f};
+  size_t input_count = arraysize(inputs);
+  return Emit(opcode, output_count, &output, input_count, inputs, temp_count,
+              temps);
+}
+
+
+Instruction* InstructionSelector::Emit(
     InstructionCode opcode, size_t output_count, InstructionOperand** outputs,
     size_t input_count, InstructionOperand** inputs, size_t temp_count,
     InstructionOperand** temps) {
   Instruction* instr =
       Instruction::New(instruction_zone(), opcode, output_count, outputs,
                        input_count, inputs, temp_count, temps);
   return Emit(instr);
 }
 
 
@@ skipping 385 matching lines @@
       return kMachAnyTagged;
     case IrOpcode::kCall:
       return kMachAnyTagged;
     case IrOpcode::kFrameState:
     case IrOpcode::kStateValues:
       return kMachNone;
     case IrOpcode::kLoad:
       return OpParameter<LoadRepresentation>(node);
     case IrOpcode::kStore:
       return kMachNone;
+    case IrOpcode::kCheckedLoad:
+      return OpParameter<MachineType>(node);
+    case IrOpcode::kCheckedStore:
+      return kMachNone;
     case IrOpcode::kWord32And:
     case IrOpcode::kWord32Or:
     case IrOpcode::kWord32Xor:
     case IrOpcode::kWord32Shl:
     case IrOpcode::kWord32Shr:
     case IrOpcode::kWord32Sar:
     case IrOpcode::kWord32Ror:
       return kMachInt32;
     case IrOpcode::kWord32Equal:
       return kMachBool;
@@ skipping 250 matching lines @@
     case IrOpcode::kFloat64Floor:
       return MarkAsDouble(node), VisitFloat64Floor(node);
     case IrOpcode::kFloat64Ceil:
       return MarkAsDouble(node), VisitFloat64Ceil(node);
     case IrOpcode::kFloat64RoundTruncate:
       return MarkAsDouble(node), VisitFloat64RoundTruncate(node);
     case IrOpcode::kFloat64RoundTiesAway:
       return MarkAsDouble(node), VisitFloat64RoundTiesAway(node);
     case IrOpcode::kLoadStackPointer:
       return VisitLoadStackPointer(node);
+    case IrOpcode::kCheckedLoad: {
+      MachineType rep = OpParameter<MachineType>(node);
+      MarkAsRepresentation(rep, node);
+      return VisitCheckedLoad(node);
+    }
+    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
 
@@ skipping 287 matching lines @@
 MachineOperatorBuilder::Flags
 InstructionSelector::SupportedMachineOperatorFlags() {
   return MachineOperatorBuilder::Flag::kNoFlags;
 }
 
 #endif  // !V8_TURBOFAN_BACKEND
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8