2009-06-16 Olatunji Ruwase <tjruwase@google.com>

[pf3gnuchains/gcc-fork.git] / gcc / loop-unswitch.c

diff --git a/gcc/loop-unswitch.c b/gcc/loop-unswitch.c
index 54c39a5..513fc64 100644 (file)
--- a/gcc/loop-unswitch.c
+++ b/gcc/loop-unswitch.c
@@ -1,5 +1,6 @@
 /* Loop unswitching for GNU compiler.
-   Copyright (C) 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008
+   Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -125,8 +126,8 @@ compare_and_jump_seq (rtx op0, rtx op1, enum rtx_code comp, rtx label, int prob,
       JUMP_LABEL (jump) = label;
       LABEL_NUSES (label)++;
     }
-  REG_NOTES (jump) = gen_rtx_EXPR_LIST (REG_BR_PROB, GEN_INT (prob),
-                                       REG_NOTES (jump));
+  add_reg_note (jump, REG_BR_PROB, GEN_INT (prob));
+
   seq = get_insns ();
   end_sequence ();
 
@@ -290,7 +291,7 @@ unswitch_single_loop (struct loop *loop, rtx cond_checked, int num)
     }
 
   /* Do not unswitch in cold areas.  */
-  if (!maybe_hot_bb_p (loop->header))
+  if (optimize_loop_for_size_p (loop))
     {
       if (dump_file)
        fprintf (dump_file, ";; Not unswitching, not hot area\n");