[turbofan] Add new Float32Abs and Float64Abs operators.

src/compiler/ia32/instruction-selector-ia32.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 741 matching lines @@
 void InstructionSelector::VisitFloat32Min(Node* node) {
   VisitRROFloat(this, node, kAVXFloat32Min, kSSEFloat32Min);
 }
 
 
 void InstructionSelector::VisitFloat64Min(Node* node) {
   VisitRROFloat(this, node, kAVXFloat64Min, kSSEFloat64Min);
 }
 
 
+void InstructionSelector::VisitFloat32Abs(Node* node) {
+  IA32OperandGenerator g(this);
+  Emit(kSSEFloat32Abs, g.DefineSameAsFirst(node), g.Use(node->InputAt(0)));
+}
+
+
+void InstructionSelector::VisitFloat64Abs(Node* node) {
+  IA32OperandGenerator g(this);
+  Emit(kSSEFloat64Abs, g.DefineSameAsFirst(node), g.Use(node->InputAt(0)));
+}
+
+
 void InstructionSelector::VisitFloat32Sqrt(Node* node) {
   VisitROFloat(this, node, kSSEFloat32Sqrt);
 }
 
 
 void InstructionSelector::VisitFloat64Sqrt(Node* node) {
   VisitROFloat(this, node, kSSEFloat64Sqrt);
 }
 
 
@@ skipping 417 matching lines @@
   Node* right = node->InputAt(1);
   Emit(kSSEFloat64InsertHighWord32, g.DefineSameAsFirst(node),
        g.UseRegister(left), g.Use(right));
 }
 
 
 // static
 MachineOperatorBuilder::Flags
 InstructionSelector::SupportedMachineOperatorFlags() {
   MachineOperatorBuilder::Flags flags =
+      MachineOperatorBuilder::kFloat32Abs |
       MachineOperatorBuilder::kFloat32Max |
       MachineOperatorBuilder::kFloat32Min |
+      MachineOperatorBuilder::kFloat64Abs |
       MachineOperatorBuilder::kFloat64Max |
       MachineOperatorBuilder::kFloat64Min |
       MachineOperatorBuilder::kWord32ShiftIsSafe;
   if (CpuFeatures::IsSupported(SSE4_1)) {
     flags |= MachineOperatorBuilder::kFloat64RoundDown |
              MachineOperatorBuilder::kFloat64RoundTruncate;
   }
   return flags;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8