[builtins] Migrate Math.log to TurboFan.

src/compiler/ia32/instruction-selector-ia32.cc

Index: src/compiler/ia32/instruction-selector-ia32.cc
diff --git a/src/compiler/ia32/instruction-selector-ia32.cc b/src/compiler/ia32/instruction-selector-ia32.cc
index 7f7f42b48d864ae80d99cb028b355eee74be684d..20b8bdbc29bae16269ea397ab656631900055e1b 100644
--- a/src/compiler/ia32/instruction-selector-ia32.cc
+++ b/src/compiler/ia32/instruction-selector-ia32.cc
@@ -1014,6 +1014,9 @@ void InstructionSelector::VisitFloat64Abs(Node* node) {
   VisitFloatUnop(this, node, node->InputAt(0), kAVXFloat64Abs, kSSEFloat64Abs);
 }
 
+void InstructionSelector::VisitFloat64Log(Node* node) {
+  VisitRR(this, node, kX87Float64Log);
+}
 
 void InstructionSelector::VisitFloat32Sqrt(Node* node) {
   VisitRO(this, node, kSSEFloat32Sqrt);