Range feedback for binary integer operations.

runtime/vm/assembler_x64.h

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_ASSEMBLER_X64_H_
 #define VM_ASSEMBLER_X64_H_
 
 #ifndef VM_ASSEMBLER_H_
 #error Do not include assembler_x64.h directly; use assembler.h instead.
 #endif
@@ skipping 508 matching lines @@
 
   void testq(Register reg1, Register reg2);
   void testq(Register reg, const Immediate& imm);
   void TestImmediate(Register dst, const Immediate& imm, Register pp);
 
   void andl(Register dst, Register src);
   void andl(Register dst, const Immediate& imm);
 
   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);
   void AndImmediate(Register dst, const Immediate& imm, Register pp);
 
   void orq(Register dst, Register src);
   void orq(Register dst, const Address& address);
   void orq(Register dst, const Immediate& imm);
   void OrImmediate(Register dst, const Immediate& imm, Register pp);
 
@@ skipping 280 matching lines @@
    * Misc. functionality.
    */
   void SmiTag(Register reg) {
     addq(reg, reg);
   }
 
   void SmiUntag(Register reg) {
     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);
   void Jump(Label* label) { jmp(label); }
 
   void Comment(const char* format, ...) PRINTF_ATTRIBUTE(2, 3);
   static bool EmittingComments();
 
   const Code::Comments& GetCodeComments() const;
 
@@ skipping 344 matching lines @@
 }
 
 
 inline void Assembler::EmitOperandSizeOverride() {
   EmitUint8(0x66);
 }
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_X64_H_