PPC: [builtins] Introduce proper Float64Log1p, Float64Atan and Float64Atan2 operators.

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

Index: src/compiler/ppc/instruction-selector-ppc.cc
diff --git a/src/compiler/ppc/instruction-selector-ppc.cc b/src/compiler/ppc/instruction-selector-ppc.cc
index 01bfc9d916340d3c4cb76e1e80ec9290a5bed946..c46ff9a6cff34c4fbb432d2f8c0fd77f0f280d80 100644
--- a/src/compiler/ppc/instruction-selector-ppc.cc
+++ b/src/compiler/ppc/instruction-selector-ppc.cc
@@ -1310,16 +1310,24 @@ void InstructionSelector::VisitFloat64Abs(Node* node) {
   VisitRR(this, kPPC_AbsDouble, node);
 }
 
-void InstructionSelector::VisitFloat64Log(Node* node) {
-  PPCOperandGenerator g(this);
-  Emit(kPPC_LogDouble, g.DefineAsFixed(node, d1),
-       g.UseFixed(node->InputAt(0), d1))->MarkAsCall();
-}
-
 void InstructionSelector::VisitFloat32Sqrt(Node* node) {
   VisitRR(this, kPPC_SqrtDouble | MiscField::encode(1), node);
 }
 
+void InstructionSelector::VisitFloat64Ieee754Unop(Node* node,
+                                                  InstructionCode opcode) {
+  PPCOperandGenerator g(this);
+  Emit(opcode, g.DefineAsFixed(node, d1), g.UseFixed(node->InputAt(0), d1))
+       ->MarkAsCall();
+}
+
+void InstructionSelector::VisitFloat64Ieee754Binop(Node* node,
+                                                  InstructionCode opcode) {
+  PPCOperandGenerator g(this);
+  Emit(opcode, g.DefineAsFixed(node, d1),
+       g.UseFixed(node->InputAt(0), d1),
+       g.UseFixed(node->InputAt(1), d2))->MarkAsCall();
+}
 
 void InstructionSelector::VisitFloat64Sqrt(Node* node) {
   VisitRR(this, kPPC_SqrtDouble, node);