diff --git a/src/compiler/s390/instruction-selector-s390.cc b/src/compiler/s390/instruction-selector-s390.cc
index 00782d1..1b1bd2f 100644
--- a/src/compiler/s390/instruction-selector-s390.cc
+++ b/src/compiler/s390/instruction-selector-s390.cc
@@ -1179,6 +1179,10 @@
 
 void InstructionSelector::VisitFloat64Max(Node* node) { UNREACHABLE(); }
 
+void InstructionSelector::VisitFloat64SilenceNaN(Node* node) {
+  VisitRR(this, kS390_Float64SilenceNaN, node);
+}
+
 void InstructionSelector::VisitFloat32Min(Node* node) { UNREACHABLE(); }
 
 void InstructionSelector::VisitFloat64Min(Node* node) { UNREACHABLE(); }
@@ -1195,6 +1199,21 @@
   VisitRR(this, kS390_SqrtFloat, node);
 }
 
+void InstructionSelector::VisitFloat64Ieee754Unop(Node* node,
+                                                  InstructionCode opcode) {
+  S390OperandGenerator g(this);
+  Emit(opcode, g.DefineAsFixed(node, d0), g.UseFixed(node->InputAt(0), d0))
+      ->MarkAsCall();
+}
+
+void InstructionSelector::VisitFloat64Ieee754Binop(Node* node,
+                                                   InstructionCode opcode) {
+  S390OperandGenerator g(this);
+  Emit(opcode, g.DefineAsFixed(node, d0), g.UseFixed(node->InputAt(0), d0),
+       g.UseFixed(node->InputAt(1), d2))
+      ->MarkAsCall();
+}
+
 void InstructionSelector::VisitFloat64Sqrt(Node* node) {
   VisitRR(this, kS390_SqrtDouble, node);
 }
@@ -1235,6 +1254,10 @@
   UNREACHABLE();
 }
 
+void InstructionSelector::VisitFloat32Neg(Node* node) { UNREACHABLE(); }
+
+void InstructionSelector::VisitFloat64Neg(Node* node) { UNREACHABLE(); }
+
 void InstructionSelector::VisitInt32AddWithOverflow(Node* node) {
   if (Node* ovf = NodeProperties::FindProjection(node, 1)) {
     FlagsContinuation cont = FlagsContinuation::ForSet(kOverflow, ovf);
@@ -1822,6 +1845,13 @@
          MachineOperatorBuilder::kWord64Popcnt;
 }
 
+// static
+MachineOperatorBuilder::AlignmentRequirements
+InstructionSelector::AlignmentRequirements() {
+  return MachineOperatorBuilder::AlignmentRequirements::
+      FullUnalignedAccessSupport();
+}
+
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8