[stubs] ToNumberStub --> ToNumber builtin.

src/x87/code-stubs-x87.cc

Index: src/x87/code-stubs-x87.cc
diff --git a/src/x87/code-stubs-x87.cc b/src/x87/code-stubs-x87.cc
index 1e944ea4e466b4b81773a0c236ad9d3344292773..d2c8505605051ae6a5aba925056435f811290002 100644
--- a/src/x87/code-stubs-x87.cc
+++ b/src/x87/code-stubs-x87.cc
@@ -2171,49 +2171,6 @@ void SubStringStub::Generate(MacroAssembler* masm) {
   generator.SkipSlow(masm, &runtime);
 }
 
-
-void ToNumberStub::Generate(MacroAssembler* masm) {
-  // The ToNumber stub takes one argument in eax.
-  Label not_smi;
-  __ JumpIfNotSmi(eax, &not_smi, Label::kNear);
-  __ Ret();
-  __ bind(&not_smi);
-
-  Label not_heap_number;
-  __ CompareMap(eax, masm->isolate()->factory()->heap_number_map());
-  __ j(not_equal, &not_heap_number, Label::kNear);
-  __ Ret();
-  __ bind(&not_heap_number);
-
-  NonNumberToNumberStub stub(masm->isolate());
-  __ TailCallStub(&stub);
-}
-
-void NonNumberToNumberStub::Generate(MacroAssembler* masm) {
-  // The NonNumberToNumber stub takes one argument in eax.
-  __ AssertNotNumber(eax);
-
-  Label not_string;
-  __ CmpObjectType(eax, FIRST_NONSTRING_TYPE, edi);
-  // eax: object
-  // edi: object map
-  __ j(above_equal, &not_string, Label::kNear);
-  __ Jump(isolate()->builtins()->StringToNumber(), RelocInfo::CODE_TARGET);
-  __ bind(&not_string);
-
-  Label not_oddball;
-  __ CmpInstanceType(edi, ODDBALL_TYPE);
-  __ j(not_equal, &not_oddball, Label::kNear);
-  __ mov(eax, FieldOperand(eax, Oddball::kToNumberOffset));
-  __ Ret();
-  __ bind(&not_oddball);
-
-  __ pop(ecx);   // Pop return address.
-  __ push(eax);  // Push argument.
-  __ push(ecx);  // Push return address.
-  __ TailCallRuntime(Runtime::kToNumber);
-}
-
 void ToStringStub::Generate(MacroAssembler* masm) {
   // The ToString stub takes one argument in eax.
   Label is_number;