gcc/

	* df-problems.c (df_note_bb_compute): Pass uses rather than defs
	to df_set_dead_notes_for_mw.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178109 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 28c9d2f..dd737a1 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2011-08-26  Richard Sandiford  <richard.sandiford@linaro.org>
+
+       * df-problems.c (df_note_bb_compute): Pass uses rather than defs
+       to df_set_dead_notes_for_mw.
+
 2011-08-26  Richard Guenther  <rguenther@suse.de>
 
        * varasm.c (decode_addr_const): Handle MEM_REF[&X, OFF].

diff --git a/gcc/df-problems.c b/gcc/df-problems.c
index e547b67..8928454 100644 (file)
--- a/gcc/df-problems.c
+++ b/gcc/df-problems.c
@@ -3376,7 +3376,7 @@ df_note_bb_compute (unsigned int bb_index,
       while (*mws_rec)
        {
          struct df_mw_hardreg *mws = *mws_rec;
-         if ((DF_MWS_REG_DEF_P (mws))
+         if (DF_MWS_REG_USE_P (mws)
              && !df_ignore_stack_reg (mws->start_regno))
            {
              bool really_add_notes = debug_insn != 0;