[runtime] Kill %Arguments and %ArgumentsLength.

src/full-codegen/x87/full-codegen-x87.cc

Index: src/full-codegen/x87/full-codegen-x87.cc
diff --git a/src/full-codegen/x87/full-codegen-x87.cc b/src/full-codegen/x87/full-codegen-x87.cc
index 87f743f13ba2d814a62bf3db56444ad33d1ee4a6..28e98506416821264d4fc810618395865643f81b 100644
--- a/src/full-codegen/x87/full-codegen-x87.cc
+++ b/src/full-codegen/x87/full-codegen-x87.cc
@@ -3012,44 +3012,6 @@ void FullCodeGenerator::EmitObjectEquals(CallRuntime* expr) {
 }
 
 
-void FullCodeGenerator::EmitArguments(CallRuntime* expr) {
-  ZoneList<Expression*>* args = expr->arguments();
-  DCHECK(args->length() == 1);
-
-  // ArgumentsAccessStub expects the key in edx and the formal
-  // parameter count in eax.
-  VisitForAccumulatorValue(args->at(0));
-  __ mov(edx, eax);
-  __ Move(eax, Immediate(Smi::FromInt(info_->scope()->num_parameters())));
-  ArgumentsAccessStub stub(isolate(), ArgumentsAccessStub::READ_ELEMENT);
-  __ CallStub(&stub);
-  context()->Plug(eax);
-}
-
-
-void FullCodeGenerator::EmitArgumentsLength(CallRuntime* expr) {
-  DCHECK(expr->arguments()->length() == 0);
-
-  Label exit;
-  // Get the number of formal parameters.
-  __ Move(eax, Immediate(Smi::FromInt(info_->scope()->num_parameters())));
-
-  // Check if the calling frame is an arguments adaptor frame.
-  __ mov(ebx, Operand(ebp, StandardFrameConstants::kCallerFPOffset));
-  __ cmp(Operand(ebx, StandardFrameConstants::kContextOffset),
-         Immediate(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));
-  __ j(not_equal, &exit);
-
-  // Arguments adaptor case: Read the arguments length from the
-  // adaptor frame.
-  __ mov(eax, Operand(ebx, ArgumentsAdaptorFrameConstants::kLengthOffset));
-
-  __ bind(&exit);
-  __ AssertSmi(eax);
-  context()->Plug(eax);
-}
-
-
 void FullCodeGenerator::EmitClassOf(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   DCHECK(args->length() == 1);