Generate inline code for contextual loads on ARM....

src/arm/assembler-arm.h

Index: src/arm/assembler-arm.h
===================================================================
--- src/arm/assembler-arm.h	(revision 5878)
+++ src/arm/assembler-arm.h	(working copy)
@@ -1079,8 +1079,23 @@
              const Condition cond = al);
 
   // Pseudo instructions
-  void nop(int type = 0);
 
+  // Different nop operations are used by the code generator to detect certain
+  // states of the generated code.
+  enum NopMarkerTypes {
+    NON_MARKING_NOP = 0,
+    DEBUG_BREAK_NOP,
+    // IC markers.
+    PROPERTY_ACCESS_INLINED,
+    PROPERTY_ACCESS_INLINED_CONTEXT,
+    PROPERTY_ACCESS_INLINED_CONTEXT_DONT_DELETE,
+    // Helper values.
+    LAST_CODE_MARKER,
+    FIRST_IC_MARKER = PROPERTY_ACCESS_INLINED
+  };
+
+  void nop(int type = 0);   // 0 is the default non-marking type.
+
   void push(Register src, Condition cond = al) {
     str(src, MemOperand(sp, 4, NegPreIndex), cond);
   }
@@ -1151,7 +1166,6 @@
   static void instr_at_put(byte* pc, Instr instr) {
     *reinterpret_cast<Instr*>(pc) = instr;
   }
-  static bool IsNop(Instr instr, int type = 0);
   static bool IsBranch(Instr instr);
   static int GetBranchOffset(Instr instr);
   static bool IsLdrRegisterImmediate(Instr instr);
@@ -1168,6 +1182,8 @@
   static bool IsLdrRegFpOffset(Instr instr);
   static bool IsStrRegFpNegOffset(Instr instr);
   static bool IsLdrRegFpNegOffset(Instr instr);
+  static bool IsLdrPcImmediateOffset(Instr instr);
+  static bool IsNop(Instr instr, int type = NON_MARKING_NOP);
 
 
  protected: