A64: Tidy up a couple of TODOs.

src/a64/macro-assembler-a64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1479 matching lines @@
   if (emit_debug_code()) {
     STATIC_ASSERT(kSmiTag == 0);
     Tst(object, kSmiTagMask);
     Check(ne, reason);
   }
 }
 
 
 void MacroAssembler::AssertName(Register object) {
   if (emit_debug_code()) {
-    STATIC_ASSERT(kSmiTag == 0);
-    // TODO(jbramley): Add AbortIfSmi and related functions.
-    Label not_smi;
-    JumpIfNotSmi(object, &not_smi);
-    Abort(kOperandIsASmiAndNotAName);
-    Bind(&not_smi);
+    AssertNotSmi(object, kOperandIsASmiAndNotAName);
 
     Ldr(Tmp1(), FieldMemOperand(object, HeapObject::kMapOffset));
     CompareInstanceType(Tmp1(), Tmp1(), LAST_NAME_TYPE);
     Check(ls, kOperandIsNotAName);
   }
 }
 
 
 void MacroAssembler::AssertString(Register object) {
   if (emit_debug_code()) {
@@ skipping 1285 matching lines @@
 
   // TODO(rmcilroy): Remove this Sxtw once the following bug is fixed:
   // https://code.google.com/p/v8/issues/detail?id=3149
   Sxtw(result, result.W());
 }
 
 
 void MacroAssembler::Prologue(PrologueFrameMode frame_mode) {
   if (frame_mode == BUILD_STUB_FRAME) {
     ASSERT(StackPointer().Is(jssp));
-    // TODO(jbramley): Does x1 contain a JSFunction here, or does it already
-    // have the special STUB smi?
     __ Mov(Tmp0(), Operand(Smi::FromInt(StackFrame::STUB)));
     // Compiled stubs don't age, and so they don't need the predictable code
     // ageing sequence.
     __ Push(lr, fp, cp, Tmp0());
     __ Add(fp, jssp, StandardFrameConstants::kFixedFrameSizeFromFp);
   } else {
     if (isolate()->IsCodePreAgingActive()) {
       Code* stub = Code::GetPreAgedCodeAgeStub(isolate());
       __ EmitCodeAgeSequence(stub);
     } else {
@@ skipping 2154 matching lines @@
   }
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_A64