Fix unused function error

[deliverable/binutils-gdb.git] / opcodes / tilegx-opc.c

diff --git a/opcodes/tilegx-opc.c b/opcodes/tilegx-opc.c
index 14f05ad893ee1ec1f21bd66ca1eb1b815524186e..cc9ce861b9a506cececa8c4f72fad563b443e47b 100644 (file)
--- a/opcodes/tilegx-opc.c
+++ b/opcodes/tilegx-opc.c
@@ -1,6 +1,6 @@
 /* TILE-Gx opcode information.
 
-   Copyright (C) 2011-2017 Free Software Foundation, Inc.
+   Copyright (C) 2011-2019 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -8102,8 +8102,8 @@ parse_insn_tilegx (tilegx_bundle_bits bits,
          if (op->is_signed)
            {
              /* Sign-extend the operand.  */
-             int shift = (int)((sizeof(int) * 8) - op->num_bits);
-             raw_opval = (raw_opval << shift) >> shift;
+             unsigned int sign = 1u << (op->num_bits - 1);
+             raw_opval = ((raw_opval & (sign + sign - 1)) ^ sign) - sign;
            }
 
          /* Adjust PC-relative scaled branch offsets.  */