support bsr, and more .td simplification

llvm-svn: 22543
diff --git a/llvm/lib/Target/Alpha/AlphaRelocations.h b/llvm/lib/Target/Alpha/AlphaRelocations.h
index f913c9b..59b9765 100644
--- a/llvm/lib/Target/Alpha/AlphaRelocations.h
+++ b/llvm/lib/Target/Alpha/AlphaRelocations.h
@@ -23,6 +23,7 @@
       reloc_gprellow,
       reloc_gprelhigh,
       reloc_gpdist,
+      reloc_bsr,
     };
   }
 }