X87: Initial switch to Chromium-style CHECK_* and DCHECK_* macros

src/x87/lithium-codegen-x87.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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 4797 matching lines @@
       IsSimpleMapChangeTransition(from_kind, to_kind);
   Label::Distance branch_distance =
       is_simple_map_transition ? Label::kNear : Label::kFar;
   __ cmp(FieldOperand(object_reg, HeapObject::kMapOffset), from_map);
   __ j(not_equal, &not_applicable, branch_distance);
   if (is_simple_map_transition) {
     Register new_map_reg = ToRegister(instr->new_map_temp());
     __ mov(FieldOperand(object_reg, HeapObject::kMapOffset),
            Immediate(to_map));
     // Write barrier.
-    DCHECK_NE(instr->temp(), NULL);
+    DCHECK_NOT_NULL(instr->temp());
     __ RecordWriteForMap(object_reg, to_map, new_map_reg,
                          ToRegister(instr->temp()), kDontSaveFPRegs);
   } else {
     DCHECK(ToRegister(instr->context()).is(esi));
     DCHECK(object_reg.is(eax));
     PushSafepointRegistersScope scope(this);
     __ mov(ebx, to_map);
     bool is_js_array = from_map->instance_type() == JS_ARRAY_TYPE;
     TransitionElementsKindStub stub(isolate(), from_kind, to_kind, is_js_array);
     __ CallStub(&stub);
@@ skipping 1529 matching lines @@
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X87