Refactor MacroAssembler::Prologue.

src/x64/macro-assembler-x64.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_X64
 
 #include "bootstrapper.h"
 #include "codegen.h"
@@ skipping 3871 matching lines @@
         jmp(done, near_jump);
       }
     } else {
       Jump(adaptor, RelocInfo::CODE_TARGET);
     }
     bind(&invoke);
   }
 }
 
 
-void MacroAssembler::Prologue(CompilationInfo* info) {
-  if (info->IsStub()) {
+void MacroAssembler::StubPrologue() {
     pushq(rbp);  // Caller's frame pointer.
     movp(rbp, rsp);
     Push(rsi);  // Callee's context.
     Push(Smi::FromInt(StackFrame::STUB));
+}
+
+
+void MacroAssembler::Prologue(bool code_pre_aging) {
+  PredictableCodeSizeScope predictible_code_size_scope(this,
+      kNoCodeAgeSequenceLength);
+  if (code_pre_aging) {
+      // Pre-age the code.
+    Call(isolate()->builtins()->MarkCodeAsExecutedOnce(),
+         RelocInfo::CODE_AGE_SEQUENCE);
+    Nop(kNoCodeAgeSequenceLength - Assembler::kShortCallInstructionLength);
   } else {
-    PredictableCodeSizeScope predictible_code_size_scope(this,
-        kNoCodeAgeSequenceLength);
-    if (info->IsCodePreAgingActive()) {
-        // Pre-age the code.
-      Call(isolate()->builtins()->MarkCodeAsExecutedOnce(),
-           RelocInfo::CODE_AGE_SEQUENCE);
-      Nop(kNoCodeAgeSequenceLength - Assembler::kShortCallInstructionLength);
-    } else {
-      pushq(rbp);  // Caller's frame pointer.
-      movp(rbp, rsp);
-      Push(rsi);  // Callee's context.
-      Push(rdi);  // Callee's JS function.
-    }
+    pushq(rbp);  // Caller's frame pointer.
+    movp(rbp, rsp);
+    Push(rsi);  // Callee's context.
+    Push(rdi);  // Callee's JS function.
   }
 }
 
 
 void MacroAssembler::EnterFrame(StackFrame::Type type) {
   pushq(rbp);
   movp(rbp, rsp);
   Push(rsi);  // Context.
   Push(Smi::FromInt(type));
   Move(kScratchRegister, CodeObject(), RelocInfo::EMBEDDED_OBJECT);
@@ skipping 1312 matching lines @@
   if (ms.shift() > 0) sarl(rdx, Immediate(ms.shift()));
   movl(rax, dividend);
   shrl(rax, Immediate(31));
   addl(rdx, rax);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64