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-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/df-problems.c2
2 files changed, 6 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 28c9d2f..dd737a1 100644
--- 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
--- 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;