Align code entry points to 32 bytes.

src/objects.h

Index: src/objects.h
===================================================================
--- src/objects.h	(revision 1380)
+++ src/objects.h	(working copy)
@@ -2255,7 +2255,7 @@
   static int SizeFor(int body_size, int sinfo_size) {
     ASSERT_SIZE_TAG_ALIGNED(body_size);
     ASSERT_SIZE_TAG_ALIGNED(sinfo_size);
-    return kHeaderSize + body_size + sinfo_size;
+    return RoundUp(kHeaderSize + body_size + sinfo_size, kCodeAlignment);
   }
 
   // Locating source position.
@@ -2279,8 +2279,13 @@
   static const int kSInfoSizeOffset = kRelocationSizeOffset + kIntSize;
   static const int kFlagsOffset = kSInfoSizeOffset + kIntSize;
   static const int kKindSpecificFlagsOffset  = kFlagsOffset + kIntSize;
-  static const int kHeaderSize = kKindSpecificFlagsOffset + kIntSize;
+  static const int kFiller6Offset = kKindSpecificFlagsOffset + kIntSize;

[Kasper Lund, 2009/02/27 10:32:11]

Comment on why you need fillers here?

[iposva, 2009/02/27 11:08:28]

Done.

+  static const int kFiller7Offset = kFiller6Offset + kIntSize;
+  static const int kHeaderSize = kFiller7Offset + kIntSize;
 
+  // Code entry points are aligned to 32 bytes.
+  static const int kCodeAlignment = 32;
+
   // Byte offsets within kKindSpecificFlagsOffset.
   static const int kICFlagOffset = kKindSpecificFlagsOffset + 0;
   static const int kStubMajorKeyOffset = kKindSpecificFlagsOffset + 1;