Fix bugs in the disassembly of some ld-instructions

[deliverable/binutils-gdb.git] / opcodes / ip2k-ibld.c

diff --git a/opcodes/ip2k-ibld.c b/opcodes/ip2k-ibld.c
index cd39392c98a94acb8695bdc073c8f4bf3b142467..ec6e41978b3fd5bd4749dceb87a9be398d722691 100644 (file)
--- a/opcodes/ip2k-ibld.c
+++ b/opcodes/ip2k-ibld.c
@@ -3,20 +3,20 @@
    THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator.
    - the resultant file is machine generated, cgen-ibld.in isn't
 
-   Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2005
+   Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2005, 2006, 2007
    Free Software Foundation, Inc.
 
-   This file is part of the GNU Binutils and GDB, the GNU debugger.
+   This file is part of libopcodes.
 
-   This program is free software; you can redistribute it and/or modify
+   This library is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
+   the Free Software Foundation; either version 3, or (at your option)
    any later version.
 
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
+   It is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
+   License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software Foundation, Inc.,
@@ -168,13 +168,21 @@ insert_normal (CGEN_CPU_DESC cd,
   else if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED))
     {
       unsigned long maxval = mask;
-      
-      if ((unsigned long) value > maxval)
+      unsigned long val = (unsigned long) value;
+
+      /* For hosts with a word size > 32 check to see if value has been sign
+        extended beyond 32 bits.  If so then ignore these higher sign bits
+        as the user is attempting to store a 32-bit signed value into an
+        unsigned 32-bit field which is allowed.  */
+      if (sizeof (unsigned long) > 4 && ((value >> 32) == -1))
+       val &= 0xFFFFFFFF;
+
+      if (val > maxval)
        {
          /* xgettext:c-format */
          sprintf (errbuf,
-                  _("operand out of range (%lu not between 0 and %lu)"),
-                  value, maxval);
+                  _("operand out of range (0x%lx not between 0 and 0x%lx)"),
+                  val, maxval);
          return errbuf;
        }
     }
@@ -440,9 +448,8 @@ extract_normal (CGEN_CPU_DESC cd,
      word_length may be too big.  */
   if (cd->min_insn_bitsize < cd->base_insn_bitsize)
     {
-      if (word_offset == 0
-         && word_length > total_length)
-       word_length = total_length;
+      if (word_offset + word_length > total_length)
+       word_length = total_length - word_offset;
     }
 
   /* Does the value reside in INSN_VALUE, and at the right alignment?  */