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

src/compiler/mips64/instruction-selector-mips64.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 1266 matching lines @@
   VisitRR(this, kMips64AbsS, node);
 }
 
 
 void InstructionSelector::VisitFloat64Abs(Node* node) {
   VisitRR(this, kMips64AbsD, node);
 }
 
 void InstructionSelector::VisitFloat64Log(Node* node) {
   Mips64OperandGenerator g(this);
-  Emit(kMips64LogD, g.DefineAsFixed(node, f0),
+  Emit(kIeee754Float64Log, g.DefineAsFixed(node, f0),
        g.UseFixed(node->InputAt(0), f12))
       ->MarkAsCall();
 }
 
 void InstructionSelector::VisitFloat32Sqrt(Node* node) {
   VisitRR(this, kMips64SqrtS, node);
 }
 
 
 void InstructionSelector::VisitFloat64Sqrt(Node* node) {
@@ skipping 777 matching lines @@
   } else {
     DCHECK(kArchVariant == kMips64r2);
     return MachineOperatorBuilder::AlignmentRequirements::
         NoUnalignedAccessSupport();
   }
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8