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-rw-r--r--binutils-2.22/opcodes/arc-dis.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/binutils-2.22/opcodes/arc-dis.c b/binutils-2.22/opcodes/arc-dis.c
index b4cc241..0e16cde 100644
--- a/binutils-2.22/opcodes/arc-dis.c
+++ b/binutils-2.22/opcodes/arc-dis.c
@@ -1,6 +1,6 @@
/* Instruction printing code for the ARC.
- Copyright 1994, 1995, 1997, 1998, 2000, 2001, 2002, 2005, 2007, 2009, 2010
- Free Software Foundation, Inc.
+ Copyright 1994, 1995, 1997, 1998, 2000, 2001, 2002, 2005, 2007, 2009,
+ 2010, 2012 Free Software Foundation, Inc.
Contributed by Doug Evans (dje@cygnus.com).
This file is part of libopcodes.
@@ -20,13 +20,12 @@
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
-#include "ansidecl.h"
+#include "sysdep.h"
#include "libiberty.h"
#include "dis-asm.h"
#include "opcode/arc.h"
#include "elf-bfd.h"
#include "elf/arc.h"
-#include <string.h>
#include "opintl.h"
#include <stdarg.h>
@@ -60,15 +59,14 @@ typedef enum
} a4_decoding_class;
#define BIT(word,n) ((word) & (1 << n))
-#define BITS(word,s,e) (((word) << (31 - e)) >> (s + (31 - e)))
+#define BITS(word,s,e) (((word) >> s) & ((1 << (e + 1 - s)) - 1))
#define OPCODE(word) (BITS ((word), 27, 31))
#define FIELDA(word) (BITS ((word), 21, 26))
#define FIELDB(word) (BITS ((word), 15, 20))
#define FIELDC(word) (BITS ((word), 9, 14))
-/* FIELD D is signed in all of its uses, so we make sure argument is
- treated as signed for bit shifting purposes: */
-#define FIELDD(word) (BITS (((signed int)word), 0, 8))
+/* FIELD D is signed. */
+#define FIELDD(word) ((BITS ((word), 0, 8) ^ 0x100) - 0x100)
#define PUT_NEXT_WORD_IN(a) \
do \