Implement LSR instructions for the integrated ARM assembler.

src/DartARM32/assembler_arm.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.
 //
 // This is forked from Dart revision df52deea9f25690eb8b66c5995da92b70f7ac1fe
 // Please update the (git) revision if we merge changes from Dart.
 // https://code.google.com/p/dart/wiki/GettingTheSource
 
 #ifndef VM_ASSEMBLER_ARM_H_
 #define VM_ASSEMBLER_ARM_H_
@@ skipping 946 matching lines @@
   void MoveRegister(Register rd, Register rm, Condition cond = AL);
 
   // Convenience shift instructions. Use mov instruction with shifter operand
   // for variants setting the status flags.
 #if 0
   // Moved to ARM32::AssemblerARM32::lsl()
   void Lsl(Register rd, Register rm, const Operand& shift_imm,
            Condition cond = AL);
   // Moved to ARM32::AssemblerARM32::lsl()
   void Lsl(Register rd, Register rm, Register rs, Condition cond = AL);
-#endif
+  // Moved to ARM32::AssemblerARM32::lsr()
   void Lsr(Register rd, Register rm, const Operand& shift_imm,
            Condition cond = AL);
+  // Moved to ARM32::AssemblerARM32::lsr()
   void Lsr(Register rd, Register rm, Register rs, Condition cond = AL);
+#endif
   void Asr(Register rd, Register rm, const Operand& shift_imm,
            Condition cond = AL);
   void Asr(Register rd, Register rm, Register rs, Condition cond = AL);
   void Asrs(Register rd, Register rm, const Operand& shift_imm,
             Condition cond = AL);
   void Ror(Register rd, Register rm, const Operand& shift_imm,
            Condition cond = AL);
   void Ror(Register rd, Register rm, Register rs, Condition cond = AL);
   void Rrx(Register rd, Register rm, Condition cond = AL);
 
@@ skipping 335 matching lines @@
   // ARM32::AssemblerARM::uxt() (uxtb and uxth).
 #endif
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(Assembler);
 };
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_ARM_H_