[turbofan] Add new Float32Abs and Float64Abs operators.

src/compiler/arm/instruction-selector-arm.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/base/bits.h"
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
 
 namespace v8 {
@@ skipping 1026 matching lines @@
 
 void InstructionSelector::VisitFloat64Max(Node* node) { UNREACHABLE(); }
 
 
 void InstructionSelector::VisitFloat32Min(Node* node) { UNREACHABLE(); }
 
 
 void InstructionSelector::VisitFloat64Min(Node* node) { UNREACHABLE(); }
 
 
+void InstructionSelector::VisitFloat32Abs(Node* node) {
+  VisitRR(this, kArmVabsF32, node);
+}
+
+
+void InstructionSelector::VisitFloat64Abs(Node* node) {
+  VisitRR(this, kArmVabsF64, node);
+}
+
+
 void InstructionSelector::VisitFloat32Sqrt(Node* node) {
   VisitRR(this, kArmVsqrtF32, node);
 }
 
 
 void InstructionSelector::VisitFloat64Sqrt(Node* node) {
   VisitRR(this, kArmVsqrtF64, node);
 }
 
 
@@ skipping 438 matching lines @@
   }
   Emit(kArmVmovHighF64U32, g.DefineSameAsFirst(node), g.UseRegister(left),
        g.UseRegister(right));
 }
 
 
 // static
 MachineOperatorBuilder::Flags
 InstructionSelector::SupportedMachineOperatorFlags() {
   MachineOperatorBuilder::Flags flags =
+      MachineOperatorBuilder::kFloat32Abs |
+      MachineOperatorBuilder::kFloat64Abs |
       MachineOperatorBuilder::kInt32DivIsSafe |
       MachineOperatorBuilder::kUint32DivIsSafe;
 
   if (CpuFeatures::IsSupported(ARMv8)) {
     flags |= MachineOperatorBuilder::kFloat64RoundDown |
              MachineOperatorBuilder::kFloat64RoundTruncate |
              MachineOperatorBuilder::kFloat64RoundTiesAway;
   }
   return flags;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8