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

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
2f12c89d · Jan Hubicka · Jan Hubicka · afdac905 · 2f12c89d · 2f12c89d
Commit 2f12c89d authored Dec 14, 1999 by Jan Hubicka Committed by Jan Hubicka Dec 14, 1999
Hide whitespace changes
Inline Side-by-side

Showing with 12 additions and 2 deletions

gcc/ChangeLog
+5 -0

gcc/regclass.c
+7 -2

No files found.
--- a/gcc/ChangeLog
+++ b/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

--- a/gcc/regclass.c
+++ b/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;
    }