[builtins] Migrate NonNumberToNumber to TurboFan builtin.

src/builtins/s390/builtins-s390.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_S390
 
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 2838 matching lines @@
 
   __ CompareObjectType(r2, r3, r3, HEAP_NUMBER_TYPE);
   // r2: receiver
   // r3: receiver instance type
   __ Ret(eq);
 
   __ Jump(masm->isolate()->builtins()->NonNumberToNumber(),
           RelocInfo::CODE_TARGET);
 }
 
-// static
-void Builtins::Generate_NonNumberToNumber(MacroAssembler* masm) {
-  // The NonNumberToNumber stub takes one argument in r2.
-  __ AssertNotNumber(r2);
-
-  __ CompareObjectType(r2, r3, r3, FIRST_NONSTRING_TYPE);
-  // r2: receiver
-  // r3: receiver instance type
-  __ Jump(masm->isolate()->builtins()->StringToNumber(), RelocInfo::CODE_TARGET,
-          lt);
-
-  Label not_oddball;
-  __ CmpP(r3, Operand(ODDBALL_TYPE));
-  __ bne(&not_oddball);
-  __ LoadP(r2, FieldMemOperand(r2, Oddball::kToNumberOffset));
-  __ Ret();
-  __ bind(&not_oddball);
-
-  {
-    FrameScope frame(masm, StackFrame::INTERNAL);
-    // Push argument.
-    __ push(r2);
-    // We cannot use a tail call here because this builtin can also be called
-    // from wasm.
-    __ CallRuntime(Runtime::kToNumber);
-  }
-  __ Ret();
-}
-
 void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- r2 : actual number of arguments
   //  -- r3 : function (passed through to callee)
   //  -- r4 : expected number of arguments
   //  -- r5 : new target (passed through to callee)
   // -----------------------------------
 
   Label invoke, dont_adapt_arguments, stack_overflow;
 
@@ skipping 117 matching lines @@
     __ bkpt(0);
   }
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_S390