Index: ChangeLog
===================================================================
--- ChangeLog (revision 163388)
+++ ChangeLog (working copy)
@@ -1,3 +1,9 @@
+2010-08-19 Bernd Schmidt
+
+ PR bootstrap/45350
+ * combine.c (try_combine): Initialize i1_is_used and i2_is_used. Fix
+ a comment.
+
2010-08-19 Nathan Froyd
* target.def (function_arg, function_incoming_arg): Remove const
Index: combine.c
===================================================================
--- combine.c (revision 163383)
+++ combine.c (working copy)
@@ -2511,7 +2511,7 @@ try_combine (rtx i3, rtx i2, rtx i1, rtx
/* Total number of SETs to put into I3. */
int total_sets;
/* Nonzero if I2's or I1's body now appears in I3. */
- int i2_is_used, i1_is_used;
+ int i2_is_used = 0, i1_is_used = 0;
/* INSN_CODEs for new I3, new I2, and user of condition code. */
int insn_code_number, i2_code_number = 0, other_code_number = 0;
/* Contains I3 if the destination of I3 is used in its source, which means
@@ -2546,8 +2546,8 @@ try_combine (rtx i3, rtx i2, rtx i1, rtx
int i;
/* Only try four-insn combinations when there's high likelihood of
- success. Look for simple insns, such as loads of constants, unary
- operations, or binary operations involving a constant. */
+ success. Look for simple insns, such as loads of constants or
+ binary operations involving a constant. */
if (i0)
{
int i;