diff options
| -rw-r--r-- | gcc/ChangeLog | 10 | ||||
| -rw-r--r-- | gcc/fold-const.c | 4 | ||||
| -rw-r--r-- | gcc/function.c | 4 | ||||
| -rw-r--r-- | gcc/optabs.c | 6 | ||||
| -rw-r--r-- | gcc/stmt.c | 2 |
5 files changed, 18 insertions, 8 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 349ca8116ae..de75f823354 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,13 @@ +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 diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 9b003c2ec22..b7720f745a5 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -3109,7 +3109,7 @@ make_range (exp, pin_p, plow, phigh) 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; @@ -4767,7 +4767,7 @@ fold (expr) 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, diff --git a/gcc/function.c b/gcc/function.c index 6644014837a..d9274bf3ace 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -1827,7 +1827,7 @@ fixup_var_refs_insns (var, promoted_mode, unsignedp, insn, toplevel, ht) 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. */ @@ -3649,7 +3649,7 @@ instantiate_virtual_regs_1 (loc, object, extra_insns) rtx x; RTX_CODE code; rtx new = 0; - HOST_WIDE_INT offset; + HOST_WIDE_INT offset = 0; rtx temp; rtx seq; int i, j; diff --git a/gcc/optabs.c b/gcc/optabs.c index c609614b7d5..00ce961743a 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -898,7 +898,7 @@ expand_binop (mode, binoptab, op0, op1, target, unsignedp, methods) 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 @@ -1068,8 +1068,8 @@ expand_binop (mode, binoptab, op0, op1, target, unsignedp, methods) 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. */ diff --git a/gcc/stmt.c b/gcc/stmt.c index f3780340cda..41bc736681d 100644 --- a/gcc/stmt.c +++ b/gcc/stmt.c @@ -5037,7 +5037,7 @@ void 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; |