X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=opcodes%2Ftilepro-opc.c;h=dbe0605e0c6e4d9960cc473758a5588a972961e0;hb=708a2ffff5cc2d280968a6b28268d8276d391bb4;hp=d62b03e80933a6f2000d3d6776850f08f2186669;hpb=4b95cf5c0c75d6efc1b2f96af72317aecca079f1;p=deliverable%2Fbinutils-gdb.git

diff --git a/opcodes/tilepro-opc.c b/opcodes/tilepro-opc.c
index d62b03e809..dbe0605e0c 100644
--- a/opcodes/tilepro-opc.c
+++ b/opcodes/tilepro-opc.c
@@ -1,6 +1,6 @@
 /* TILEPro opcode information.
 
-   Copyright (C) 2011-2014 Free Software Foundation, Inc.
+   Copyright (C) 2011-2020 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
@@ -10215,21 +10215,18 @@ parse_insn_tilepro (tilepro_bundle_bits bits,
 	{
 	  const struct tilepro_operand *op =
 	    &tilepro_operands[opc->operands[pipe][i]];
-	  int opval = op->extract (bits);
+	  unsigned int opval = op->extract (bits);
 
 	  if (op->is_signed)
 	    {
 	      /* Sign-extend the operand.  */
-	      int shift = (int)((sizeof(int) * 8) - op->num_bits);
-	      opval = (opval << shift) >> shift;
+	      unsigned int sign = 1u << (op->num_bits - 1);
+	      opval = ((opval & (sign + sign - 1)) ^ sign) - sign;
 	    }
 
 	  /* Adjust PC-relative scaled branch offsets.  */
 	  if (op->type == TILEPRO_OP_TYPE_ADDRESS)
-	    {
-	      opval *= TILEPRO_BUNDLE_SIZE_IN_BYTES;
-	      opval += (int)pc;
-	    }
+	    opval = opval * TILEPRO_BUNDLE_SIZE_IN_BYTES + pc;
 
 	  /* Record the final value.  */
 	  d->operands[i] = op;