Range feedback for binary integer operations.

runtime/vm/assembler_ia32.h

Index: runtime/vm/assembler_ia32.h
diff --git a/runtime/vm/assembler_ia32.h b/runtime/vm/assembler_ia32.h
index eae58e02612b104c4acf10f26d965860b1114ef6..23ea4a26240907770c7bdbc262a3706a11e92cfa 100644
--- a/runtime/vm/assembler_ia32.h
+++ b/runtime/vm/assembler_ia32.h
@@ -544,6 +544,7 @@ class Assembler : public ValueObject {
   void orl(Register dst, const Immediate& imm);
   void orl(Register dst, Register src);
   void orl(Register dst, const Address& address);
+  void orl(const Address& address, Register dst);
 
   void xorl(Register dst, const Immediate& imm);
   void xorl(Register dst, Register src);
@@ -726,6 +727,20 @@ class Assembler : public ValueObject {
                             Register scratch,
                             Label* is_smi);
 
+  void ComputeRange(Register result,
+                    Register value,
+                    Register lo_temp,
+                    Register hi_temp,
+                    Label* miss);
+
+  void UpdateRangeFeedback(Register value,
+                           intptr_t index,
+                           Register ic_data,
+                           Register scratch1,
+                           Register scratch2,
+                           Register scratch3,
+                           Label* miss);
+
   static Address ElementAddressForIntIndex(bool is_external,
                                            intptr_t cid,
                                            intptr_t index_scale,