X64 Win64: Reimplement fmod so that it works.

src/ia32/codegen-ia32.cc

 // Copyright 2006-2009 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 5188 matching lines @@
       break;
     case COS:
       answer = frame_->CallRuntime(Runtime::kMath_cos, 1);
       break;
   }
   frame_->Push(&answer);
   done.Bind();
 }
 
 
+void CodeGenerator::GenerateNumberMod(ZoneList<Expression*>* args) {
+  // Simply call the runtime function. Arguments must be numbers.
+  ASSERT(args->length() == 2);
+  Load(args->at(0));
+  Load(args->at(1));
+  Result answer = frame_->CallRuntime(Runtime::kNumberMod, 2);
+  frame_->Push(&answer);
+}
+
+
 void CodeGenerator::VisitCallRuntime(CallRuntime* node) {
   if (CheckForInlineRuntimeCall(node)) {
     return;
   }
 
   ZoneList<Expression*>* args = node->arguments();
   Comment cmnt(masm_, "[ CallRuntime");
   Runtime::Function* function = node->function();
 
   if (function == NULL) {
@@ skipping 2904 matching lines @@
   __ InvokeBuiltin(Builtins::INSTANCE_OF, JUMP_FUNCTION);
 }
 
 
 int CompareStub::MinorKey() {
   // Encode the two parameters in a unique 16 bit value.
   ASSERT(static_cast<unsigned>(cc_) < (1 << 15));
   return (static_cast<unsigned>(cc_) << 1) | (strict_ ? 1 : 0);
 }
 
+
 #undef __
 
 } }  // namespace v8::internal