reload1.c (reload_combine): Initialize set before using.

Thu Sep 24 22:12:16 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>
	* reload1.c (reload_combine): Initialize set before using.

From-SVN: r22582

gcc/ChangeLog

+Thu Sep 24 22:12:16 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>
+
+	* reload1.c (reload_combine): Initialize set before using.
+
 Thu Sep 24 18:53:20 1998  Jason Merrill  <jason@yorick.cygnus.com>
 
 	* sdbout.c (sdbout_field_types): Don't emit the types of fields we

gcc/reload1.c

@@ -9274,7 +9274,7 @@ reload_combine ()
 
 	 First, check that we have (set (REGX) (PLUS (REGX) (REGY)))
 	 and that we know all uses of REGX before it dies.  */
-      if (set
+      if ((set = single_set (insn)) != NULL_RTX
 	  && GET_CODE (SET_DEST (set)) == REG
 	  && (HARD_REGNO_NREGS (REGNO (SET_DEST (set)),
 				GET_MODE (SET_DEST (set)))