* fold-const.c (make_range): Always initialize arg0 and arg1.
(fold): Simlarly for alt0 and alt1.
* function.c (fixup_var_refs_insns): Initialize insn_list.
(instantiate_virtual_regs_1): Initialize offset.
* optabs.c (expand_binop): Initialize carry_in, carry_out, op0_xhigh
and op1_xhigh.
* stmt.c (expand_end_case): Initialize minval and maxval.
From-SVN: r26632
+Mon Apr 26 01:08:36 1999 Toshiyasu Morita (tm@netcom.com)
+
+ * fold-const.c (make_range): Always initialize arg0 and arg1.
+ (fold): Simlarly for alt0 and alt1.
+ * function.c (fixup_var_refs_insns): Initialize insn_list.
+ (instantiate_virtual_regs_1): Initialize offset.
+ * optabs.c (expand_binop): Initialize carry_in, carry_out, op0_xhigh
+ and op1_xhigh.
+ * stmt.c (expand_end_case): Initialize minval and maxval.
+
Mon Apr 26 01:02:34 1999 Nathan Sidwell <nathan@acm.org>
* toplev.c (report_error_function): Reorder file stack and
tree *plow, *phigh;
{
enum tree_code code;
- tree arg0, arg1, type = NULL_TREE;
+ tree arg0 = NULL_TREE, arg1 = NULL_TREE, type = NULL_TREE;
tree orig_type = NULL_TREE;
int in_p, n_in_p;
tree low, high, n_low, n_high;
if (TREE_CODE (arg0) == MULT_EXPR && TREE_CODE (arg1) == MULT_EXPR)
{
tree arg00, arg01, arg10, arg11;
- tree alt0, alt1, same;
+ tree alt0 = NULL_TREE, alt1 = NULL_TREE, same;
/* (A * C) + (B * C) -> (A+B) * C.
We are most concerned about the case where C is a constant,
struct hash_table *ht;
{
rtx call_dest = 0;
- rtx insn_list;
+ rtx insn_list = NULL_RTX;
/* If we already know which INSNs reference VAR there's no need
to walk the entire instruction chain. */
rtx x;
RTX_CODE code;
rtx new = 0;
- HOST_WIDE_INT offset;
+ HOST_WIDE_INT offset = 0;
rtx temp;
rtx seq;
int i, j;
rtx carry_tmp = gen_reg_rtx (word_mode);
optab otheroptab = binoptab == add_optab ? sub_optab : add_optab;
int nwords = GET_MODE_BITSIZE (mode) / BITS_PER_WORD;
- rtx carry_in, carry_out;
+ rtx carry_in = NULL_RTX, carry_out = NULL_RTX;
rtx xop0, xop1;
/* We can handle either a 1 or -1 value for the carry. If STORE_FLAG
rtx op1_high = operand_subword_force (op1, high, mode);
rtx op1_low = operand_subword_force (op1, low, mode);
rtx product = 0;
- rtx op0_xhigh;
- rtx op1_xhigh;
+ rtx op0_xhigh = NULL_RTX;
+ rtx op1_xhigh = NULL_RTX;
/* If the target is the same as one of the inputs, don't use it. This
prevents problems with the REG_EQUAL note. */
expand_end_case (orig_index)
tree orig_index;
{
- tree minval, maxval, range, orig_minval;
+ tree minval = NULL_TREE, maxval = NULL_TREE, range, orig_minval;
rtx default_label = 0;
register struct case_node *n;
unsigned int count;