As per Eric's suggestiong, this patch makes one debug message more clear. Eric, I know you you pre-approved this, but still I'd appreciate if you could take a look. Thanks,
2012-11-28 Marek Polacek <pola...@redhat.com> * cprop.c (bypass_block): Improve debug message. --- gcc/cprop.c.mp 2012-11-28 16:55:03.520375191 +0100 +++ gcc/cprop.c 2012-11-28 20:29:05.664842945 +0100 @@ -1,6 +1,6 @@ /* Global constant/copy propagation for RTL. Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, - 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. + 2006, 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc. This file is part of GCC. @@ -1632,8 +1632,10 @@ bypass_block (basic_block bb, rtx setcc, "in jump_insn %d equals constant ", regno, INSN_UID (jump)); print_rtl (dump_file, set->src); - fprintf (dump_file, "\nBypass edge from %d->%d to %d\n", - e->src->index, old_dest->index, dest->index); + fprintf (dump_file, "\n\t when BB %d is entered from " + "BB %d. Redirect edge %d->%d to %d.\n", + old_dest->index, e->src->index, e->src->index, + old_dest->index, dest->index); } change = 1; removed_p = 1; Marek