[V8] Implement SIMD Boolean vector types to allow mask registers.

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

Index: src/compiler/arm/instruction-selector-arm.cc
diff --git a/src/compiler/arm/instruction-selector-arm.cc b/src/compiler/arm/instruction-selector-arm.cc
index f6147883b417af6a69ce8749eaad0d9ee3bf218e..a2d6722ad79f9699d1fccb6f6d5aeb301de8cc31 100644
--- a/src/compiler/arm/instruction-selector-arm.cc
+++ b/src/compiler/arm/instruction-selector-arm.cc
@@ -427,6 +427,9 @@ void InstructionSelector::VisitLoad(Node* node) {
       break;
     case MachineRepresentation::kWord64:   // Fall through.
     case MachineRepresentation::kSimd128:  // Fall through.
+    case MachineRepresentation::kSimdBool4:   // Fall through.
+    case MachineRepresentation::kSimdBool8:   // Fall through.
+    case MachineRepresentation::kSimdBool16:  // Fall through.
     case MachineRepresentation::kNone:
       UNREACHABLE();
       return;
@@ -512,6 +515,9 @@ void InstructionSelector::VisitStore(Node* node) {
         break;
       case MachineRepresentation::kWord64:   // Fall through.
       case MachineRepresentation::kSimd128:  // Fall through.
+      case MachineRepresentation::kSimdBool4:   // Fall through.
+      case MachineRepresentation::kSimdBool8:   // Fall through.
+      case MachineRepresentation::kSimdBool16:  // Fall through.
       case MachineRepresentation::kNone:
         UNREACHABLE();
         return;
@@ -675,6 +681,9 @@ void InstructionSelector::VisitCheckedLoad(Node* node) {
     case MachineRepresentation::kTagged:   // Fall through.
     case MachineRepresentation::kWord64:   // Fall through.
     case MachineRepresentation::kSimd128:  // Fall through.
+    case MachineRepresentation::kSimdBool4:   // Fall through.
+    case MachineRepresentation::kSimdBool8:   // Fall through.
+    case MachineRepresentation::kSimdBool16:  // Fall through.
     case MachineRepresentation::kNone:
       UNREACHABLE();
       return;
@@ -719,6 +728,9 @@ void InstructionSelector::VisitCheckedStore(Node* node) {
     case MachineRepresentation::kTagged:   // Fall through.
     case MachineRepresentation::kWord64:   // Fall through.
     case MachineRepresentation::kSimd128:  // Fall through.
+    case MachineRepresentation::kSimdBool4:   // Fall through.
+    case MachineRepresentation::kSimdBool8:   // Fall through.
+    case MachineRepresentation::kSimdBool16:  // Fall through.
     case MachineRepresentation::kNone:
       UNREACHABLE();
       return;