X87: Revert of [builtins] Introduce a builtin for Abort(). (patchset #5 id:80001 of https://coderev…

src/x87/macro-assembler-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.
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/base/bits.h"
 #include "src/base/division-by-constant.h"
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
@@ skipping 2792 matching lines @@
     RecordComment("Abort message: ");
     RecordComment(msg);
   }
 
   if (FLAG_trap_on_abort) {
     int3();
     return;
   }
 #endif
 
-  // Check if Abort() has already been initialized.
-  DCHECK(isolate()->builtins()->Abort()->IsHeapObject());
-
-  Move(edx, Smi::FromInt(static_cast<int>(reason)));
-
+  push(Immediate(reinterpret_cast<intptr_t>(Smi::FromInt(reason))));
   // Disable stub call restrictions to always allow calls to abort.
   if (!has_frame_) {
     // We don't actually want to generate a pile of code for this, so just
     // claim there is a stack frame, without generating one.
     FrameScope scope(this, StackFrame::NONE);
-    Call(isolate()->builtins()->Abort(), RelocInfo::CODE_TARGET);
+    CallRuntime(Runtime::kAbort);
   } else {
-    Call(isolate()->builtins()->Abort(), RelocInfo::CODE_TARGET);
+    CallRuntime(Runtime::kAbort);
   }
   // will not return here
   int3();
 }
 
 
 void MacroAssembler::LoadInstanceDescriptors(Register map,
                                              Register descriptors) {
   mov(descriptors, FieldOperand(map, Map::kDescriptorsOffset));
 }
@@ skipping 469 matching lines @@
   mov(eax, dividend);
   shr(eax, 31);
   add(edx, eax);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X87