Use direct jump and call instruction for X64 when the deoptimization entries are in the code range

src/assembler.h

Index: src/assembler.h
===================================================================
--- src/assembler.h	(revision 13870)
+++ src/assembler.h	(working copy)
@@ -316,6 +316,9 @@
   static inline bool IsEmbeddedObject(Mode mode) {
     return mode == EMBEDDED_OBJECT;
   }
+  static inline bool IsRuntimeEntry(Mode mode) {
+    return mode == RUNTIME_ENTRY;
+  }
   // Is the relocation mode affected by GC?
   static inline bool IsGCRelocMode(Mode mode) {
     return mode <= LAST_GCED_ENUM;
@@ -379,6 +382,9 @@
   INLINE(Object** target_object_address());
   INLINE(void set_target_object(Object* target,
                                 WriteBarrierMode mode = UPDATE_WRITE_BARRIER));
+  INLINE(Address target_runtime_entry(Assembler* origin, intptr_t delta));
+  INLINE(void set_target_runtime_entry(Address target,
+                                WriteBarrierMode mode = UPDATE_WRITE_BARRIER));

[danno, 2013/03/08 09:16:30]

nit: please fix parameter indentation

[haitao.feng, 2013/03/08 12:25:59]

Done.

   INLINE(JSGlobalPropertyCell* target_cell());
   INLINE(Handle<JSGlobalPropertyCell> target_cell_handle());
   INLINE(void set_target_cell(JSGlobalPropertyCell* cell,