Revert "Clean up runtime functions for Maths."

src/mips/full-codegen-mips.cc

Index: src/mips/full-codegen-mips.cc
diff --git a/src/mips/full-codegen-mips.cc b/src/mips/full-codegen-mips.cc
index a676fea898751900e8260a0b1af6b64dccf8e98e..87c0764b604dcc05648251a08701f6684585f742 100644
--- a/src/mips/full-codegen-mips.cc
+++ b/src/mips/full-codegen-mips.cc
@@ -3798,6 +3798,26 @@ 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(v0);
+}
+
+
+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(v0);
+}
+
+
 void FullCodeGenerator::EmitCallFunction(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   ASSERT(args->length() >= 2);