1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/regrename.c b/gcc/regrename.c
index f2ab1f10338..744f181bd18 100644
--- a/gcc/regrename.c
+++ b/gcc/regrename.c
@@ -94,6 +94,9 @@ note_sets (rtx x, rtx set ATTRIBUTE_UNUSED, void *data)
   HARD_REG_SET *pset = (HARD_REG_SET *) data;
   unsigned int regno;
   int nregs;
+
+  if (GET_CODE (x) == SUBREG)
+    x = SUBREG_REG (x);
   if (!REG_P (x))
     return;
   regno = REGNO (x);