commit 82f4960daab08c5a40cf2125414ac9f429eccc66
author Jacob Bramley <jacob.bramley@arm.com> Wed Feb 03 11:57:43 2021 +0000
committer Jacob Bramley <jacob.bramley@arm.com> Wed Feb 03 11:57:43 2021 +0000
tree 47e2c947f02bdfc4d37eaf909e4a7be7f3335fc4
parent cc62778e8d64765f039d8ff4139e315a3dfe65f4

Use IsPowerOf2.

Change-Id: I28cf3a5c0d040c0260a32c4590b37d1e73224c20

src/aarch32/instructions-aarch32.h

diff --git a/src/aarch32/instructions-aarch32.h b/src/aarch32/instructions-aarch32.h
index ac8ebfd..2927226 100644
--- a/src/aarch32/instructions-aarch32.h
+++ b/src/aarch32/instructions-aarch32.h
@@ -491,9 +491,7 @@
   }
   Register GetFirstAvailableRegister() const;
   bool IsEmpty() const { return list_ == 0; }
-  bool IsSingleRegister() const {
-    return list_ != 0 && (list_ & (list_ - 1)) == 0;
-  }
+  bool IsSingleRegister() const { return IsPowerOf2(list_); }
   static RegisterList Union(const RegisterList& list_1,
                             const RegisterList& list_2) {
     return RegisterList(list_1.list_ | list_2.list_);