gas/

* config/tc-arm.c (md_apply_fix): Turn CZB instructions that
	attempt to jump to the next instruction into NOPs.

gas/ChangeLog

@@ -1,3 +1,8 @@
+2007-03-23  Mark Shinwell  <shinwell@codesourcery.com>
+
+	* config/tc-arm.c (md_apply_fix): Turn CZB instructions that
+	attempt to jump to the next instruction into NOPs.
+
 2007-03-23  Alan Modra  <amodra@bigpond.net.au>
 
 	* config/tc-spu.c: Don't include opcode/spu.h.

gas/config/tc-arm.c

@@ -18101,6 +18101,21 @@ md_apply_fix (fixS *	fixP,
 
     case BFD_RELOC_THUMB_PCREL_BRANCH7: /* CBZ */
       /* CBZ can only branch forward.  */
+
+      /* Attempts to use CBZ to branch to the next instruction
+         (which, strictly speaking, are prohibited) will be turned into
+         no-ops.
+
+	 FIXME: It may be better to remove the instruction completely and
+	 perform relaxation.  */
+      if (value == -2)
+	{
+	  newval = md_chars_to_number (buf, THUMB_SIZE);
+	  newval = 0xbf00; /* NOP encoding T1 */
+	  md_number_to_chars (buf, newval, THUMB_SIZE);
+	}
+      else
+	{
 	  if (value & ~0x7e)
 	    as_bad_where (fixP->fx_file, fixP->fx_line,
 		          _("branch out of range"));
@@ -18111,6 +18126,7 @@ md_apply_fix (fixS *	fixP,
 	      newval |= ((value & 0x3e) << 2) | ((value & 0x40) << 3);
 	      md_number_to_chars (buf, newval, THUMB_SIZE);
 	    }
+	}
       break;
 
     case BFD_RELOC_THUMB_PCREL_BRANCH9: /* Conditional branch.	*/