TurboFan: Introduce TaggedSigned and TaggedPointer representations.

src/compiler/ia32/instruction-selector-ia32.cc

Index: src/compiler/ia32/instruction-selector-ia32.cc
diff --git a/src/compiler/ia32/instruction-selector-ia32.cc b/src/compiler/ia32/instruction-selector-ia32.cc
index f1d2ab616f662b8d56a17b8c2db53666792ee8c1..09cff5db6f8d5e39e81030ff65d28aa5506e0e38 100644
--- a/src/compiler/ia32/instruction-selector-ia32.cc
+++ b/src/compiler/ia32/instruction-selector-ia32.cc
@@ -226,7 +226,9 @@ void InstructionSelector::VisitLoad(Node* node) {
     case MachineRepresentation::kWord16:
       opcode = load_rep.IsSigned() ? kIA32Movsxwl : kIA32Movzxwl;
       break;
-    case MachineRepresentation::kTagged:  // Fall through.
+    case MachineRepresentation::kTaggedSigned:   // Fall through.
+    case MachineRepresentation::kTaggedPointer:  // Fall through.
+    case MachineRepresentation::kTagged:         // Fall through.
     case MachineRepresentation::kWord32:
       opcode = kIA32Movl;
       break;
@@ -310,7 +312,9 @@ void InstructionSelector::VisitStore(Node* node) {
       case MachineRepresentation::kWord16:
         opcode = kIA32Movw;
         break;
-      case MachineRepresentation::kTagged:  // Fall through.
+      case MachineRepresentation::kTaggedSigned:   // Fall through.
+      case MachineRepresentation::kTaggedPointer:  // Fall through.
+      case MachineRepresentation::kTagged:         // Fall through.
       case MachineRepresentation::kWord32:
         opcode = kIA32Movl;
         break;
@@ -372,10 +376,12 @@ void InstructionSelector::VisitCheckedLoad(Node* node) {
     case MachineRepresentation::kFloat64:
       opcode = kCheckedLoadFloat64;
       break;
-    case MachineRepresentation::kBit:      // Fall through.
-    case MachineRepresentation::kTagged:   // Fall through.
-    case MachineRepresentation::kWord64:   // Fall through.
-    case MachineRepresentation::kSimd128:  // Fall through.
+    case MachineRepresentation::kBit:            // Fall through.
+    case MachineRepresentation::kTaggedSigned:   // Fall through.
+    case MachineRepresentation::kTaggedPointer:  // Fall through.
+    case MachineRepresentation::kTagged:         // Fall through.
+    case MachineRepresentation::kWord64:         // Fall through.
+    case MachineRepresentation::kSimd128:        // Fall through.
     case MachineRepresentation::kNone:
       UNREACHABLE();
       return;
@@ -419,10 +425,12 @@ void InstructionSelector::VisitCheckedStore(Node* node) {
     case MachineRepresentation::kFloat64:
       opcode = kCheckedStoreFloat64;
       break;
-    case MachineRepresentation::kBit:      // Fall through.
-    case MachineRepresentation::kTagged:   // Fall through.
-    case MachineRepresentation::kWord64:   // Fall through.
-    case MachineRepresentation::kSimd128:  // Fall through.
+    case MachineRepresentation::kBit:            // Fall through.
+    case MachineRepresentation::kTaggedSigned:   // Fall through.
+    case MachineRepresentation::kTaggedPointer:  // Fall through.
+    case MachineRepresentation::kTagged:         // Fall through.
+    case MachineRepresentation::kWord64:         // Fall through.
+    case MachineRepresentation::kSimd128:        // Fall through.
     case MachineRepresentation::kNone:
       UNREACHABLE();
       return;