[builtins] Introduce proper base::ieee754::log.

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/base/adapters.h"
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
 
 namespace v8 {
@@ skipping 997 matching lines @@
   VisitFloatUnop(this, node, node->InputAt(0), kAVXFloat32Abs, kSSEFloat32Abs);
 }
 
 
 void InstructionSelector::VisitFloat64Abs(Node* node) {
   IA32OperandGenerator g(this);
   VisitFloatUnop(this, node, node->InputAt(0), kAVXFloat64Abs, kSSEFloat64Abs);
 }
 
 void InstructionSelector::VisitFloat64Log(Node* node) {
-  VisitRR(this, node, kX87Float64Log);
+  IA32OperandGenerator g(this);
+  Emit(kIeee754Float64Log, g.DefineSameAsFirst(node),
+       g.UseRegister(node->InputAt(0)))
+      ->MarkAsCall();
 }
 
 void InstructionSelector::VisitFloat32Sqrt(Node* node) {
   VisitRO(this, node, kSSEFloat32Sqrt);
 }
 
 
 void InstructionSelector::VisitFloat64Sqrt(Node* node) {
   VisitRO(this, node, kSSEFloat64Sqrt);
 }
@@ skipping 636 matching lines @@
 // static
 MachineOperatorBuilder::AlignmentRequirements
 InstructionSelector::AlignmentRequirements() {
   return MachineOperatorBuilder::AlignmentRequirements::
       FullUnalignedAccessSupport();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8