cse.c (free_element, [...]): Remove unused prototypes.

	* cse.c (free_element, get_element): Remove unused prototypes.

	* fold-const.c (extract_muldiv): Initialize variables `op0' and
	`op1'.

	* jump.c (invert_exp): Add explicit braces to avoid ambiguous
	`else' clauses.

From-SVN: r31123

gcc/ChangeLog

+1999-12-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* cse.c (free_element, get_element): Remove unused prototypes.
+
+	* fold-const.c (extract_muldiv): Initialize variables `op0' and
+	`op1'.
+
+	* jump.c (invert_exp): Add explicit braces to avoid ambiguous
+	`else' clauses.
+
 Wed Dec 29 12:44:54 1999  Donald Lindsay  <dlindsay@cygnus.com>
 
 	* configure.in,configure: case arm for mn10200-*-* now sets

gcc/cse.c

@@ -652,9 +652,7 @@ static void make_regs_eqv	PROTO((int, int));
 static void delete_reg_equiv	PROTO((int));
 static int mention_regs		PROTO((rtx));
 static int insert_regs		PROTO((rtx, struct table_elt *, int));
-static void free_element	PROTO((struct table_elt *));
 static void remove_from_table	PROTO((struct table_elt *, unsigned));
-static struct table_elt *get_element PROTO((void));
 static struct table_elt *lookup	PROTO((rtx, unsigned, enum machine_mode)),
        *lookup_for_remove PROTO((rtx, unsigned, enum machine_mode));
 static rtx lookup_as_function	PROTO((rtx, enum rtx_code));

gcc/fold-const.c

@@ -4270,7 +4270,7 @@ extract_muldiv (t, c, code, wide_type)
 		? wide_type : type);
   tree t1, t2;
   int same_p = tcode == code;
-  tree op0, op1;
+  tree op0 = NULL_TREE, op1 = NULL_TREE;
 
   /* Don't deal with constants of zero here; they confuse the code below.  */
   if (integer_zerop (c))

gcc/jump.c

@@ -4644,8 +4644,10 @@ invert_exp (x, insn)
   for (i = GET_RTX_LENGTH (code) - 1; i >= 0; i--)
     {
       if (fmt[i] == 'e')
-	if (! invert_exp (XEXP (x, i), insn))
-	  return 0;
+	{
+	  if (! invert_exp (XEXP (x, i), insn))
+	    return 0;
+	}
       else if (fmt[i] == 'E')
 	{
 	  register int j;
@@ -4793,8 +4795,10 @@ redirect_exp (loc, olabel, nlabel, insn)
   for (i = GET_RTX_LENGTH (code) - 1; i >= 0; i--)
     {
       if (fmt[i] == 'e')
-	if (! redirect_exp (&XEXP (x, i), olabel, nlabel, insn))
-	  return 0;
+	{
+	  if (! redirect_exp (&XEXP (x, i), olabel, nlabel, insn))
+	    return 0;
+	}
       else if (fmt[i] == 'E')
 	{
 	  register int j;