TurboFan: Introduce TaggedSigned and TaggedPointer representations.

src/compiler/mips64/instruction-selector-mips64.cc

Index: src/compiler/mips64/instruction-selector-mips64.cc
diff --git a/src/compiler/mips64/instruction-selector-mips64.cc b/src/compiler/mips64/instruction-selector-mips64.cc
index c3284aa7ac6b0e08743c4997acac82311d3c6fa9..f7d5dfc90735345b2543d4f94c40f0c79c619268 100644
--- a/src/compiler/mips64/instruction-selector-mips64.cc
+++ b/src/compiler/mips64/instruction-selector-mips64.cc
@@ -167,6 +167,8 @@ void InstructionSelector::VisitLoad(Node* node) {
     case MachineRepresentation::kWord32:
       opcode = load_rep.IsUnsigned() ? kMips64Lwu : kMips64Lw;
       break;
+    case MachineRepresentation::kTaggedSigned:   // Fall through.
+    case MachineRepresentation::kTaggedPointer:  // Fall through.
     case MachineRepresentation::kTagged:  // Fall through.
     case MachineRepresentation::kWord64:
       opcode = kMips64Ld;
@@ -248,6 +250,8 @@ void InstructionSelector::VisitStore(Node* node) {
       case MachineRepresentation::kWord32:
         opcode = kMips64Sw;
         break;
+      case MachineRepresentation::kTaggedSigned:   // Fall through.
+      case MachineRepresentation::kTaggedPointer:  // Fall through.
       case MachineRepresentation::kTagged:  // Fall through.
       case MachineRepresentation::kWord64:
         opcode = kMips64Sd;
@@ -1365,6 +1369,8 @@ void InstructionSelector::VisitUnalignedLoad(Node* node) {
     case MachineRepresentation::kWord32:
       opcode = load_rep.IsUnsigned() ? kMips64Ulwu : kMips64Ulw;
       break;
+    case MachineRepresentation::kTaggedSigned:   // Fall through.
+    case MachineRepresentation::kTaggedPointer:  // Fall through.
     case MachineRepresentation::kTagged:  // Fall through.
     case MachineRepresentation::kWord64:
       opcode = kMips64Uld;
@@ -1413,6 +1419,8 @@ void InstructionSelector::VisitUnalignedStore(Node* node) {
     case MachineRepresentation::kWord32:
       opcode = kMips64Usw;
       break;
+    case MachineRepresentation::kTaggedSigned:   // Fall through.
+    case MachineRepresentation::kTaggedPointer:  // Fall through.
     case MachineRepresentation::kTagged:  // Fall through.
     case MachineRepresentation::kWord64:
       opcode = kMips64Usd;
@@ -1463,6 +1471,8 @@ void InstructionSelector::VisitCheckedLoad(Node* node) {
       opcode = kCheckedLoadFloat64;
       break;
     case MachineRepresentation::kBit:
+    case MachineRepresentation::kTaggedSigned:   // Fall through.
+    case MachineRepresentation::kTaggedPointer:  // Fall through.
     case MachineRepresentation::kTagged:
     case MachineRepresentation::kSimd128:
     case MachineRepresentation::kNone:
@@ -1513,6 +1523,8 @@ void InstructionSelector::VisitCheckedStore(Node* node) {
       opcode = kCheckedStoreFloat64;
       break;
     case MachineRepresentation::kBit:
+    case MachineRepresentation::kTaggedSigned:   // Fall through.
+    case MachineRepresentation::kTaggedPointer:  // Fall through.
     case MachineRepresentation::kTagged:
     case MachineRepresentation::kSimd128:
     case MachineRepresentation::kNone: