Index: gas/config/tc-v850.c
===================================================================
RCS file: /cvs/src/src/gas/config/tc-v850.c,v
retrieving revision 1.53
diff -u -p -r1.53 tc-v850.c
--- gas/config/tc-v850.c	17 Oct 2007 16:45:55 -0000	1.53
+++ gas/config/tc-v850.c	25 Apr 2008 05:50:37 -0000
@@ -25,6 +25,17 @@
 #include "opcode/v850.h"
 #include "dwarf2dbg.h"
 
+#ifdef HAVE_LIMITS_H
+#include <limits.h>
+#else
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+#ifndef LONG_MAX
+#define LONG_MAX (long) (((unsigned long) (-1)) >> 1)
+#endif
+#endif
+
 /* Sign-extend a 16-bit number.  */
 #define SEXT16(x)	((((x) & 0xffff) ^ (~0x7fff)) + 0x8000)
 
@@ -1528,7 +1539,10 @@ v850_insert_operand (unsigned long insn,
 	    }
 	  else
 	    {
-	      max = (1 << operand->bits) - 1;
+	      if (operand->bits == -1)
+		max = LONG_MAX;
+	      else
+		max = (1 << operand->bits) - 1;
 
 	      if (! warn_unsigned_overflows)
 		min = -(1 << (operand->bits - 1));