Revert "Clean up runtime functions for Maths."

src/arm/full-codegen-arm.cc

Index: src/arm/full-codegen-arm.cc
diff --git a/src/arm/full-codegen-arm.cc b/src/arm/full-codegen-arm.cc
index 2ca80166ecb39c0fc325a5e87eca5a86582d4dee..b5ec2d5fdf015e1ab679e9de61004b0c4d140ea7 100644
--- a/src/arm/full-codegen-arm.cc
+++ b/src/arm/full-codegen-arm.cc
@@ -3759,6 +3759,26 @@ void FullCodeGenerator::EmitStringCompare(CallRuntime* expr) {
 }
 
 
+void FullCodeGenerator::EmitMathLog(CallRuntime* expr) {
+  // Load the argument on the stack and call the runtime function.
+  ZoneList<Expression*>* args = expr->arguments();
+  ASSERT(args->length() == 1);
+  VisitForStackValue(args->at(0));
+  __ CallRuntime(Runtime::kMath_log, 1);
+  context()->Plug(r0);
+}
+
+
+void FullCodeGenerator::EmitMathSqrt(CallRuntime* expr) {
+  // Load the argument on the stack and call the runtime function.
+  ZoneList<Expression*>* args = expr->arguments();
+  ASSERT(args->length() == 1);
+  VisitForStackValue(args->at(0));
+  __ CallRuntime(Runtime::kMath_sqrt, 1);
+  context()->Plug(r0);
+}
+
+
 void FullCodeGenerator::EmitCallFunction(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   ASSERT(args->length() >= 2);