diff options
| author | Paolo Bonzini <bonzini@gnu.org> | 2012-01-30 12:56:17 +0000 |
|---|---|---|
| committer | Paolo Bonzini <bonzini@gcc.gnu.org> | 2012-01-30 12:56:17 +0000 |
| commit | 8203ac49833d3e27ee2af03bc1d10cb66ae54745 (patch) | |
| tree | 0811a733524bd4a5cbf3d5ab727b8451e3229e9d | |
| parent | 825b2e07a57f1ccce1f219f4792a3c6b41287aa5 (diff) | |
| download | gcc-8203ac49833d3e27ee2af03bc1d10cb66ae54745.zip gcc-8203ac49833d3e27ee2af03bc1d10cb66ae54745.tar.gz gcc-8203ac49833d3e27ee2af03bc1d10cb66ae54745.tar.bz2 | |
df-problems.c (df_kill_notes): Check that the use refers to the note under examination.
2012-01-30 Paolo Bonzini <bonzini@gnu.org>
* df-problems.c (df_kill_notes): Check that the use refers
to the note under examination.
From-SVN: r183719
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/df-problems.c | 6 |
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3fbd36b..444d181 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2012-01-30 Paolo Bonzini <bonzini@gnu.org> + + * df-problems.c (df_kill_notes): Check that the use refers + to the note under examination. + 2012-01-30 Eric Botcazou <ebotcazou@adacore.com> PR target/51920 diff --git a/gcc/df-problems.c b/gcc/df-problems.c index f9b0bc1..c9fc91b 100644 --- a/gcc/df-problems.c +++ b/gcc/df-problems.c @@ -1,6 +1,6 @@ /* Standard problems for dataflow support routines. Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, - 2008, 2009, 2010, 2011 Free Software Foundation, Inc. + 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc. Originally contributed by Michael P. Hayes (m.hayes@elec.canterbury.ac.nz, mhayes@redhat.com) Major rewrite contributed by Danny Berlin (dberlin@dberlin.org) @@ -2814,8 +2814,10 @@ df_kill_notes (rtx insn, bitmap live) { df_ref use = *use_rec; if (DF_REF_REGNO (use) > FIRST_PSEUDO_REGISTER + && DF_REF_LOC (use) && (DF_REF_FLAGS (use) & DF_REF_IN_NOTE) - && ! bitmap_bit_p (live, DF_REF_REGNO (use))) + && ! bitmap_bit_p (live, DF_REF_REGNO (use)) + && loc_mentioned_in_p (DF_REF_LOC (use), XEXP (link, 0))) { deleted = true; break; |