[turbofan] Introduce optional Float64Min and Float64Max machine operators.

src/compiler/instruction-selector.cc

Index: src/compiler/instruction-selector.cc
diff --git a/src/compiler/instruction-selector.cc b/src/compiler/instruction-selector.cc
index 89c66aba3db1362d0bd549410ec2b6df97cc3a02..fb1fa2396685a60b106b1e423371b4f1936fc2c0 100644
--- a/src/compiler/instruction-selector.cc
+++ b/src/compiler/instruction-selector.cc
@@ -689,6 +689,8 @@ MachineType InstructionSelector::GetMachineType(Node* node) {
     case IrOpcode::kFloat64Mul:
     case IrOpcode::kFloat64Div:
     case IrOpcode::kFloat64Mod:
+    case IrOpcode::kFloat64Max:
+    case IrOpcode::kFloat64Min:
     case IrOpcode::kFloat64Sqrt:
     case IrOpcode::kFloat64RoundDown:
     case IrOpcode::kFloat64RoundTruncate:
@@ -892,6 +894,10 @@ void InstructionSelector::VisitNode(Node* node) {
       return MarkAsDouble(node), VisitFloat64Div(node);
     case IrOpcode::kFloat64Mod:
       return MarkAsDouble(node), VisitFloat64Mod(node);
+    case IrOpcode::kFloat64Min:
+      return MarkAsDouble(node), VisitFloat64Min(node);
+    case IrOpcode::kFloat64Max:
+      return MarkAsDouble(node), VisitFloat64Max(node);
     case IrOpcode::kFloat64Sqrt:
       return MarkAsDouble(node), VisitFloat64Sqrt(node);
     case IrOpcode::kFloat64Equal: