[arm] [arm64] Add optional operators Float32Neg and Float64Neg.

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/adapters.h"
 #include "src/base/bits.h"
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
 
@@ skipping 1422 matching lines @@
 
 void InstructionSelector::VisitFloat32RoundTiesEven(Node* node) {
   VisitRR(this, kArmVrintnF32, node);
 }
 
 
 void InstructionSelector::VisitFloat64RoundTiesEven(Node* node) {
   VisitRR(this, kArmVrintnF64, node);
 }
 
+void InstructionSelector::VisitFloat32Neg(Node* node) {
+  VisitRR(this, kArmVnegF32, node);
+}
+
+void InstructionSelector::VisitFloat64Neg(Node* node) {
+  VisitRR(this, kArmVnegF64, node);
+}
 
 void InstructionSelector::EmitPrepareArguments(
     ZoneVector<PushParameter>* arguments, const CallDescriptor* descriptor,
     Node* node) {
   ArmOperandGenerator g(this);
 
   // Prepare for C function call.
   if (descriptor->IsCFunctionCall()) {
     Emit(kArchPrepareCallCFunction |
              MiscField::encode(static_cast<int>(descriptor->CParameterCount())),
@@ skipping 503 matching lines @@
              MachineOperatorBuilder::kFloat32RoundUp |
              MachineOperatorBuilder::kFloat64RoundUp |
              MachineOperatorBuilder::kFloat32RoundTruncate |
              MachineOperatorBuilder::kFloat64RoundTruncate |
              MachineOperatorBuilder::kFloat64RoundTiesAway |
              MachineOperatorBuilder::kFloat32RoundTiesEven |
              MachineOperatorBuilder::kFloat64RoundTiesEven |
              MachineOperatorBuilder::kFloat32Min |
              MachineOperatorBuilder::kFloat32Max |
              MachineOperatorBuilder::kFloat64Min |
-             MachineOperatorBuilder::kFloat64Max;
+             MachineOperatorBuilder::kFloat64Max |
+             MachineOperatorBuilder::kFloat32Neg |
+             MachineOperatorBuilder::kFloat64Neg;
   }
   return flags;
 }
 
 // static
 MachineOperatorBuilder::AlignmentRequirements
 InstructionSelector::AlignmentRequirements() {
   return MachineOperatorBuilder::AlignmentRequirements::
       FullUnalignedAccessSupport();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8