[builtins] Introduce proper Float64Log1p operator.

src/compiler/arm/instruction-selector-arm.cc

Index: src/compiler/arm/instruction-selector-arm.cc
diff --git a/src/compiler/arm/instruction-selector-arm.cc b/src/compiler/arm/instruction-selector-arm.cc
index e3ff6bf97562eaef27ac3f081ec10db0791e4606..2656e48682f29cbedc2fe6e93c9bb224f6a6e5ff 100644
--- a/src/compiler/arm/instruction-selector-arm.cc
+++ b/src/compiler/arm/instruction-selector-arm.cc
@@ -1393,13 +1393,6 @@ void InstructionSelector::VisitFloat64Abs(Node* node) {
   VisitRR(this, kArmVabsF64, node);
 }
 
-void InstructionSelector::VisitFloat64Log(Node* node) {
-  ArmOperandGenerator g(this);
-  Emit(kIeee754Float64Log, g.DefineAsFixed(node, d0),
-       g.UseFixed(node->InputAt(0), d0))
-      ->MarkAsCall();
-}
-
 void InstructionSelector::VisitFloat32Sqrt(Node* node) {
   VisitRR(this, kArmVsqrtF32, node);
 }
@@ -1462,6 +1455,13 @@ void InstructionSelector::VisitFloat64Neg(Node* node) {
   VisitRR(this, kArmVnegF64, node);
 }
 
+void InstructionSelector::VisitFloat64Ieee754Unop(Node* node,
+                                                  InstructionCode opcode) {
+  ArmOperandGenerator g(this);
+  Emit(opcode, g.DefineAsFixed(node, d0), g.UseFixed(node->InputAt(0), d0))
+      ->MarkAsCall();
+}
+
 void InstructionSelector::EmitPrepareArguments(
     ZoneVector<PushParameter>* arguments, const CallDescriptor* descriptor,
     Node* node) {