summaryrefslogtreecommitdiff
path: root/gcc/regmove.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/regmove.c')
-rw-r--r--gcc/regmove.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/gcc/regmove.c b/gcc/regmove.c
index 8b2bc0b57c1..810f9d97a84 100644
--- a/gcc/regmove.c
+++ b/gcc/regmove.c
@@ -1,5 +1,5 @@
/* Move registers around to reduce number of move instructions needed.
- Copyright (C) 1987, 88, 89, 92-98, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1987, 88, 89, 92-99, 2000 Free Software Foundation, Inc.
This file is part of GNU CC.
@@ -1604,9 +1604,9 @@ fixup_match_1 (insn, set, src, src_subreg, dst, backward, operand_number,
int success = 0;
int num_calls = 0, s_num_calls = 0;
enum rtx_code code = NOTE;
- HOST_WIDE_INT insn_const, newconst;
+ HOST_WIDE_INT insn_const = 0, newconst;
rtx overlap = 0; /* need to move insn ? */
- rtx src_note = find_reg_note (insn, REG_DEAD, src), dst_note;
+ rtx src_note = find_reg_note (insn, REG_DEAD, src), dst_note = NULL_RTX;
int length, s_length;
/* If SRC is marked as unchanging, we may not change it.
@@ -1695,7 +1695,7 @@ fixup_match_1 (insn, set, src, src_subreg, dst, backward, operand_number,
if (! src_note)
{
rtx q;
- rtx set2;
+ rtx set2 = NULL_RTX;
/* If an optimization is done, the value of SRC while P
is executed will be changed. Check that this is OK. */
@@ -1872,7 +1872,7 @@ fixup_match_1 (insn, set, src, src_subreg, dst, backward, operand_number,
if (! overlap && (code == PLUS || code == MINUS))
{
rtx note = find_reg_note (insn, REG_EQUAL, NULL_RTX);
- rtx q, set2;
+ rtx q, set2 = NULL_RTX;
int num_calls2 = 0, s_length2 = 0;
if (note && CONSTANT_P (XEXP (note, 0)))