[fullcodegen] Avoid arguments juggling when calling a JS runtime function.

src/full-codegen/arm64/full-codegen-arm64.cc

Index: src/full-codegen/arm64/full-codegen-arm64.cc
diff --git a/src/full-codegen/arm64/full-codegen-arm64.cc b/src/full-codegen/arm64/full-codegen-arm64.cc
index 306e02be4e51977795d8f57e0146170b373cf927..2be463ce582f356940344a6977062dd5d52086f5 100644
--- a/src/full-codegen/arm64/full-codegen-arm64.cc
+++ b/src/full-codegen/arm64/full-codegen-arm64.cc
@@ -3174,11 +3174,13 @@ void FullCodeGenerator::EmitCreateIterResultObject(CallRuntime* expr) {
 
 
 void FullCodeGenerator::EmitLoadJSRuntimeFunction(CallRuntime* expr) {
+  // Push function.
+  __ LoadNativeContextSlot(expr->context_index(), x0);
+  PushOperand(x0);
+
   // Push undefined as the receiver.
   __ LoadRoot(x0, Heap::kUndefinedValueRootIndex);
   PushOperand(x0);
-
-  __ LoadNativeContextSlot(expr->context_index(), x0);
 }
 
 
@@ -3203,10 +3205,6 @@ void FullCodeGenerator::VisitCallRuntime(CallRuntime* expr) {
     Comment cmnt(masm_, "[ CallRunTime");
     EmitLoadJSRuntimeFunction(expr);
 
-    // Push the target function under the receiver.
-    PopOperand(x10);
-    PushOperands(x0, x10);
-
     for (int i = 0; i < arg_count; i++) {
       VisitForStackValue(args->at(i));
     }