Use nearlabel AFAP in lithium codegen

src/x64/macro-assembler-x64.cc

 // Copyright 2012 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 3017 matching lines @@
   // Preserve original value.
   SmiToInteger32(kScratchRegister, maybe_number);
   Cvtlsi2sd(xmm_scratch, kScratchRegister);
   movsd(FieldOperand(elements, index, times_8,
                      FixedDoubleArray::kHeaderSize - elements_offset),
         xmm_scratch);
   bind(&done);
 }
 
 
-void MacroAssembler::CompareMap(Register obj,
-                                Handle<Map> map,
-                                Label* early_success) {
+void MacroAssembler::CompareMap(Register obj, Handle<Map> map) {
   Cmp(FieldOperand(obj, HeapObject::kMapOffset), map);
 }
 
 
 void MacroAssembler::CheckMap(Register obj,
                               Handle<Map> map,
                               Label* fail,
                               SmiCheckType smi_check_type) {
   if (smi_check_type == DO_SMI_CHECK) {
     JumpIfSmi(obj, fail);
   }
 
-  Label success;
-  CompareMap(obj, map, &success);
+  CompareMap(obj, map);
   j(not_equal, fail);
-  bind(&success);
 }
 
 
 void MacroAssembler::ClampUint8(Register reg) {
   Label done;
   testl(reg, Immediate(0xFFFFFF00));
   j(zero, &done, Label::kNear);
   setcc(negative, reg);  // 1 if negative, 0 if positive.
   decb(reg);  // 0 if negative, 255 if positive.
   bind(&done);
@@ skipping 1940 matching lines @@
   j(equal, found);
   movq(current, FieldOperand(current, Map::kPrototypeOffset));
   CompareRoot(current, Heap::kNullValueRootIndex);
   j(not_equal, &loop_again);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64