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-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/modulo-sched.c3
2 files changed, 8 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0411962..5a3e25d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2014-01-02 Felix Yang <fei.yang0953@gmail.com>
+
+ * modulo-sched.c (schedule_reg_moves): Clear distance1_uses if it
+ is newly allocated.
+
2014-01-06 Richard Earnshaw <rearnsha@arm.com>
* aarch64.c (aarch64_rtx_costs): Fix cost calculation for MADD.
diff --git a/gcc/modulo-sched.c b/gcc/modulo-sched.c
index 8d63e97..7ba3ddb 100644
--- a/gcc/modulo-sched.c
+++ b/gcc/modulo-sched.c
@@ -766,6 +766,9 @@ schedule_reg_moves (partial_schedule_ptr ps)
distance1_uses = distances[1] ? sbitmap_alloc (g->num_nodes) : NULL;
+ if (distance1_uses)
+ bitmap_clear (distance1_uses);
+
/* Every use of the register defined by node may require a different
copy of this register, depending on the time the use is scheduled.
Record which uses require which move results. */