TurboFan: Introduce TaggedSigned and TaggedPointer representations.

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

Index: src/compiler/mips/instruction-selector-mips.cc
diff --git a/src/compiler/mips/instruction-selector-mips.cc b/src/compiler/mips/instruction-selector-mips.cc
index efcec0c8f109dab5f57d200dadb5ac630af46985..86280807f51f9a6bb95874ebc76f6c641b3842ee 100644
--- a/src/compiler/mips/instruction-selector-mips.cc
+++ b/src/compiler/mips/instruction-selector-mips.cc
@@ -159,6 +159,8 @@ void InstructionSelector::VisitLoad(Node* node) {
     case MachineRepresentation::kWord16:
       opcode = load_rep.IsUnsigned() ? kMipsLhu : kMipsLh;
       break;
+    case MachineRepresentation::kTaggedSigned:   // Fall through.
+    case MachineRepresentation::kTaggedPointer:  // Fall through.
     case MachineRepresentation::kTagged:  // Fall through.
     case MachineRepresentation::kWord32:
       opcode = kMipsLw;
@@ -238,6 +240,8 @@ void InstructionSelector::VisitStore(Node* node) {
       case MachineRepresentation::kWord16:
         opcode = kMipsSh;
         break;
+      case MachineRepresentation::kTaggedSigned:   // Fall through.
+      case MachineRepresentation::kTaggedPointer:  // Fall through.
       case MachineRepresentation::kTagged:  // Fall through.
       case MachineRepresentation::kWord32:
         opcode = kMipsSw;
@@ -953,6 +957,8 @@ void InstructionSelector::VisitUnalignedLoad(Node* node) {
     case MachineRepresentation::kWord16:
       opcode = load_rep.IsUnsigned() ? kMipsUlhu : kMipsUlh;
       break;
+    case MachineRepresentation::kTaggedSigned:   // Fall through.
+    case MachineRepresentation::kTaggedPointer:  // Fall through.
     case MachineRepresentation::kTagged:  // Fall through.
     case MachineRepresentation::kWord32:
       opcode = kMipsUlw;
@@ -1007,6 +1013,8 @@ void InstructionSelector::VisitUnalignedStore(Node* node) {
     case MachineRepresentation::kWord16:
       opcode = kMipsUsh;
       break;
+    case MachineRepresentation::kTaggedSigned:   // Fall through.
+    case MachineRepresentation::kTaggedPointer:  // Fall through.
     case MachineRepresentation::kTagged:  // Fall through.
     case MachineRepresentation::kWord32:
       opcode = kMipsUsw;
@@ -1055,6 +1063,8 @@ void InstructionSelector::VisitCheckedLoad(Node* node) {
       opcode = kCheckedLoadFloat64;
       break;
     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.