[ARM64] [turbofan] Support Float64Min and Float64Max.

src/compiler/arm64/instruction-selector-arm64.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 1086 matching lines @@
 
 
 void InstructionSelector::VisitFloat64Mod(Node* node) {
   Arm64OperandGenerator g(this);
   Emit(kArm64Float64Mod, g.DefineAsFixed(node, d0),
        g.UseFixed(node->InputAt(0), d0),
        g.UseFixed(node->InputAt(1), d1))->MarkAsCall();
 }
 
 
-void InstructionSelector::VisitFloat64Max(Node* node) { UNREACHABLE(); }
+void InstructionSelector::VisitFloat64Max(Node* node) {
+  Arm64OperandGenerator g(this);
+  Node* left = node->InputAt(0);
+  Node* right = node->InputAt(1);
+  Emit(kArm64Float64Max, g.DefineAsRegister(node), g.UseRegister(left),
+       g.UseRegister(right));
+}
 
 
-void InstructionSelector::VisitFloat64Min(Node* node) { UNREACHABLE(); }
+void InstructionSelector::VisitFloat64Min(Node* node) {
+  Arm64OperandGenerator g(this);
+  Node* left = node->InputAt(0);
+  Node* right = node->InputAt(1);
+  Emit(kArm64Float64Min, g.DefineAsRegister(node), g.UseRegister(left),
+       g.UseRegister(right));
+}
 
 
 void InstructionSelector::VisitFloat64Sqrt(Node* node) {
   VisitRRFloat64(this, kArm64Float64Sqrt, node);
 }
 
 
 void InstructionSelector::VisitFloat64RoundDown(Node* node) {
   VisitRRFloat64(this, kArm64Float64RoundDown, node);
 }
@@ skipping 553 matching lines @@
        g.UseRegister(left), g.UseRegister(right));
 }
 
 
 // static
 MachineOperatorBuilder::Flags
 InstructionSelector::SupportedMachineOperatorFlags() {
   return MachineOperatorBuilder::kFloat64RoundDown |
          MachineOperatorBuilder::kFloat64RoundTruncate |
          MachineOperatorBuilder::kFloat64RoundTiesAway |
+         MachineOperatorBuilder::kFloat64Max |
+         MachineOperatorBuilder::kFloat64Min |
          MachineOperatorBuilder::kWord32ShiftIsSafe |
          MachineOperatorBuilder::kInt32DivIsSafe |
          MachineOperatorBuilder::kUint32DivIsSafe;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8