X64 Win64: Reimplement fmod so that it works.

src/ia32/codegen-ia32.cc

Index: src/ia32/codegen-ia32.cc
diff --git a/src/ia32/codegen-ia32.cc b/src/ia32/codegen-ia32.cc
index 938c8e6fca1b5e286495459790f636fcdb994582..66ccedbef2ffaf8ade4bd2f59498062c73c6c53d 100644
--- a/src/ia32/codegen-ia32.cc
+++ b/src/ia32/codegen-ia32.cc
@@ -5206,6 +5206,16 @@ void CodeGenerator::GenerateFastMathOp(MathOp op, ZoneList<Expression*>* args) {
 }
 
 
+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;
@@ -8130,6 +8140,7 @@ int CompareStub::MinorKey() {
   return (static_cast<unsigned>(cc_) << 1) | (strict_ ? 1 : 0);
 }
 
+
 #undef __
 
 } }  // namespace v8::internal