Refactor MacroAssembler::Prologue.

src/ia32/lithium-codegen-ia32.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 "v8.h"
 
 #if V8_TARGET_ARCH_IA32
 
 #include "ia32/lithium-codegen-ia32.h"
 #include "ic.h"
@@ skipping 170 matching lines @@
       __ j(not_zero, &align_loop, Label::kNear);
       __ mov(Operand(ebx, 0), Immediate(kAlignmentZapValue));
       __ bind(&do_not_pad);
     }
   }
 
   info()->set_prologue_offset(masm_->pc_offset());
   if (NeedsEagerFrame()) {
     ASSERT(!frame_is_built_);
     frame_is_built_ = true;
-    __ Prologue(info());
+    if (info()->IsStub()) {
+      __ StubPrologue();
+    } else {
+      __ Prologue(info()->IsCodePreAgingActive());
+    }
     info()->AddNoFrameRange(0, masm_->pc_offset());
   }
 
   if (info()->IsOptimizing() &&
       dynamic_frame_alignment_ &&
       FLAG_debug_code) {
     __ test(esp, Immediate(kPointerSize));
     __ Assert(zero, kFrameIsExpectedToBeAligned);
   }
 
@@ skipping 5482 matching lines @@
   __ bind(deferred->exit());
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32