1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/expr.c b/gcc/expr.c
index cde0b85..1c56589 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -719,7 +719,7 @@ convert_modes (enum machine_mode mode, enum machine_mode oldmode, rtx x, int uns
   if (GET_CODE (x) == SUBREG && SUBREG_PROMOTED_VAR_P (x)
       && GET_MODE_SIZE (GET_MODE (SUBREG_REG (x))) >= GET_MODE_SIZE (mode)
       && SUBREG_PROMOTED_UNSIGNED_P (x) == unsignedp)
-    x = gen_lowpart (mode, x);
+    x = gen_lowpart (mode, SUBREG_REG (x));
 
   if (GET_MODE (x) != VOIDmode)
     oldmode = GET_MODE (x);