regclass.c (scan_one_insn): Set loop_cost to 1 when optimizing for size.

	* regclass.c (scan_one_insn): Set loop_cost to 1 when
	optimizing for size.

From-SVN: r30918

gcc/ChangeLog

+Tue Dec 14 13:51:38 MET 1999  Jan Hubicka  <hubicka@freesoft.cz>
+
+	* regclass.c (scan_one_insn): Set loop_cost to 1 when
+	optimizing for size.
+
 1999-12-14  Bernd Schmidt  <bernds@cygnus.co.uk>
 
 	* reload1.c (reload): Can't avoid select_reload_regs/finish_spills

gcc/regclass.c

@@ -829,9 +829,14 @@ scan_one_insn (insn, pass)
   if (code == NOTE)
     {
       if (NOTE_LINE_NUMBER (insn) == NOTE_INSN_LOOP_BEG)
-	loop_depth++, loop_cost = 1 << (2 * MIN (loop_depth, 5));
+	loop_depth++;
       else if (NOTE_LINE_NUMBER (insn) == NOTE_INSN_LOOP_END)
-	loop_depth--, loop_cost = 1 << (2 * MIN (loop_depth, 5));
+	loop_depth--;
+
+      if (optimize_size)
+	loop_cost = 1;
+      else
+	loop_cost = 1 << (2 * MIN (loop_depth, 5));
 
       return insn;
     }