Range feedback for binary integer operations.

runtime/vm/assembler_x64.h

Index: runtime/vm/assembler_x64.h
diff --git a/runtime/vm/assembler_x64.h b/runtime/vm/assembler_x64.h
index 44d45960e009962f17747a99c432ac507964ac69..85dfcc6dc1503bf71c52aae4e36c4724e2914818 100644
--- a/runtime/vm/assembler_x64.h
+++ b/runtime/vm/assembler_x64.h
@@ -526,9 +526,11 @@ class Assembler : public ValueObject {
 
   void orl(Register dst, Register src);
   void orl(Register dst, const Immediate& imm);
+  void orl(const Address& dst, Register src);
 
   void xorl(Register dst, Register src);
 
+

[Florian Schneider, 2014/12/12 12:12:40]

Remove extra \n.

[Vyacheslav Egorov (Google), 2014/12/12 14:49:14]

Done.

   void andq(Register dst, Register src);
   void andq(Register dst, const Address& address);
   void andq(Register dst, const Immediate& imm);
@@ -829,6 +831,13 @@ class Assembler : public ValueObject {
     sarq(reg, Immediate(kSmiTagSize));
   }
 
+  void ComputeRange(Register result, Register value, Label* miss);
+  void UpdateRangeFeedback(Register value,
+                           intptr_t index,
+                           Register ic_data,
+                           Register scratch,
+                           Label* miss);
+
   int PreferredLoopAlignment() { return 16; }
   void Align(int alignment, intptr_t offset);
   void Bind(Label* label);