[PATCH] Remove count_sub_rtxs from genattrtab.c

[Zdenek Dvorak <rakdver at atrey dot karlin dot mff dot cuni dot cz>]

Hello,

the function count_sub_rtxs in genattrtab.c is unused; this patch
removes it.  Commited as obvious.

Zdenek

	* genattrtab.c (count_sub_rtxs): Removed.

Index: genattrtab.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/genattrtab.c,v
retrieving revision 1.136
diff -c -3 -p -r1.136 genattrtab.c
*** genattrtab.c	22 Aug 2003 06:45:14 -0000	1.136
--- genattrtab.c	23 Nov 2003 21:03:49 -0000
*************** static rtx test_for_current_value (struc
*** 407,413 ****
  static rtx simplify_with_current_value (rtx, struct dimension *, int);
  static rtx simplify_with_current_value_aux (rtx);
  static void clear_struct_flag (rtx);
- static int count_sub_rtxs    (rtx, int);
  static void remove_insn_ent  (struct attr_value *, struct insn_ent *);
  static void insert_insn_ent  (struct attr_value *, struct insn_ent *);
  static rtx insert_right_side	(enum rtx_code, rtx, rtx, int, int);
--- 407,412 ----
*************** clear_struct_flag (rtx x)
*** 3952,4016 ****
  	  break;
  	}
      }
- }
- 
- /* Return the number of RTX objects making up the expression X.
-    But if we count more than MAX objects, stop counting.  */
- 
- static int
- count_sub_rtxs (rtx x, int max)
- {
-   int i;
-   int j;
-   enum rtx_code code;
-   const char *fmt;
-   int total = 0;
- 
-   code = GET_CODE (x);
- 
-   switch (code)
-     {
-     case REG:
-     case QUEUED:
-     case CONST_INT:
-     case CONST_DOUBLE:
-     case CONST_VECTOR:
-     case SYMBOL_REF:
-     case CODE_LABEL:
-     case PC:
-     case CC0:
-     case EQ_ATTR:
-     case ATTR_FLAG:
-       return 1;
- 
-     default:
-       break;
-     }
- 
-   /* Compare the elements.  If any pair of corresponding elements
-      fail to match, return 0 for the whole things.  */
- 
-   fmt = GET_RTX_FORMAT (code);
-   for (i = GET_RTX_LENGTH (code) - 1; i >= 0; i--)
-     {
-       if (total >= max)
- 	return total;
- 
-       switch (fmt[i])
- 	{
- 	case 'V':
- 	case 'E':
- 	  for (j = 0; j < XVECLEN (x, i); j++)
- 	    total += count_sub_rtxs (XVECEXP (x, i, j), max);
- 	  break;
- 
- 	case 'e':
- 	  total += count_sub_rtxs (XEXP (x, i), max);
- 	  break;
- 	}
-     }
-   return total;
- 
  }
  
  /* Create table entries for DEFINE_ATTR.  */
--- 3951,3956 ----