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

src/compiler/s390/instruction-selector-s390.cc

Index: src/compiler/s390/instruction-selector-s390.cc
diff --git a/src/compiler/s390/instruction-selector-s390.cc b/src/compiler/s390/instruction-selector-s390.cc
index 2760d4b6ef78bc9cbaf424289b65115d05e2d7bd..ee601c1db3e86e7f0ac1c1de312a5a65dd001647 100644
--- a/src/compiler/s390/instruction-selector-s390.cc
+++ b/src/compiler/s390/instruction-selector-s390.cc
@@ -241,6 +241,9 @@ ArchOpcode SelectLoadOpcode(Node* node) {
     case MachineRepresentation::kWord64:  // Fall through.
 #endif
     case MachineRepresentation::kSimd128:  // Fall through.
+    case MachineRepresentation::kSimdBool4:   // Fall through.
+    case MachineRepresentation::kSimdBool8:   // Fall through.
+    case MachineRepresentation::kSimdBool16:  // Fall through.
     case MachineRepresentation::kNone:
     default:
       UNREACHABLE();
@@ -694,6 +697,9 @@ void InstructionSelector::VisitStore(Node* node) {
       case MachineRepresentation::kWord64:  // Fall through.
 #endif
       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;
@@ -758,6 +764,9 @@ void InstructionSelector::VisitCheckedLoad(Node* node) {
     case MachineRepresentation::kWord64:  // Fall through.
 #endif
     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;
@@ -805,6 +814,9 @@ void InstructionSelector::VisitCheckedStore(Node* node) {
     case MachineRepresentation::kWord64:  // Fall through.
 #endif
     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;