Added fast support for Math.pow. This simply calculates the result using the...

src/x64/codegen-x64.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3873 matching lines @@
   Load(args->at(0));
   Result value = frame_->Pop();
   value.ToRegister();
   ASSERT(value.is_valid());
   Condition positive_smi = masm_->CheckPositiveSmi(value.reg());
   value.Unuse();
   destination()->Split(positive_smi);
 }
 
 
+// Generates the Math.pow method - currently just calls runtime.
+void CodeGenerator::GeneratePow(ZoneList<Expression*>* args) {
+  ASSERT(args->length() == 2);
+  Load(args->at(0));
+  Load(args->at(1));
+  Result res = frame_->CallRuntime(Runtime::kMath_pow, 2);
+  frame_->Push(&res);
+}
+
+
 void CodeGenerator::GenerateIsSmi(ZoneList<Expression*>* args) {
   ASSERT(args->length() == 1);
   Load(args->at(0));
   Result value = frame_->Pop();
   value.ToRegister();
   ASSERT(value.is_valid());
   Condition is_smi = masm_->CheckSmi(value.reg());
   value.Unuse();
   destination()->Split(is_smi);
 }
@@ skipping 5607 matching lines @@
   // Call the function from C++.
   return FUNCTION_CAST<ModuloFunction>(buffer);
 }
 
 #endif
 
 
 #undef __
 
 } }  // namespace v8::internal