[stubs] Introduce ToNameStub to implement %_ToName.

src/full-codegen/mips64/full-codegen-mips64.cc

 // Copyright 2012 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_MIPS64
 
 // Note on Mips implementation:
 //
 // The result_register() for mips is the 'v0' register, which is defined
 // by the ABI to contain function return values. However, the first
@@ skipping 3527 matching lines @@
   // Convert the object to an integer.
   Label done_convert;
   __ JumpIfSmi(v0, &done_convert);
   __ Push(v0);
   __ CallRuntime(Runtime::kToInteger);
   __ bind(&done_convert);
   context()->Plug(v0);
 }
 
 
-void FullCodeGenerator::EmitToName(CallRuntime* expr) {
-  ZoneList<Expression*>* args = expr->arguments();
-  DCHECK_EQ(1, args->length());
-
-  // Load the argument into v0 and convert it.
-  VisitForAccumulatorValue(args->at(0));
-
-  Label convert, done_convert;
-  __ JumpIfSmi(v0, &convert);
-  STATIC_ASSERT(FIRST_NAME_TYPE == FIRST_TYPE);
-  __ GetObjectType(v0, a1, a1);
-  __ Branch(&done_convert, le, a1, Operand(LAST_NAME_TYPE));
-  __ bind(&convert);
-  __ Push(v0);
-  __ CallRuntime(Runtime::kToName);
-  __ bind(&done_convert);
-  context()->Plug(v0);
-}
-
-
 void FullCodeGenerator::EmitStringCharFromCode(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   DCHECK(args->length() == 1);
 
   VisitForAccumulatorValue(args->at(0));
 
   Label done;
   StringCharFromCodeGenerator generator(v0, a1);
   generator.GenerateFast(masm_);
   __ jmp(&done);
@@ skipping 1258 matching lines @@
          reinterpret_cast<uint64_t>(
              isolate->builtins()->OsrAfterStackCheck()->entry()));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS64