Update copyright years.

[thirdparty/gcc.git] / gcc / tree-ssa.c

diff --git a/gcc/tree-ssa.c b/gcc/tree-ssa.c
index 24dd8b32f7edd0abb299b7566d8e91808625ba16..dbff604514574959072ba675b8b59aca62728b0f 100644 (file)
--- a/gcc/tree-ssa.c
+++ b/gcc/tree-ssa.c
@@ -1,5 +1,5 @@
 /* Miscellaneous SSA utility functions.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -1899,6 +1899,11 @@ execute_update_addresses_taken (void)
                    && bitmap_bit_p (suitable_for_renaming, DECL_UID (sym))
                    && VECTOR_TYPE_P (TREE_TYPE (sym))
                    && TYPE_MODE (TREE_TYPE (sym)) != BLKmode
+                   /* If it is a full replacement we can do better below.  */
+                   && maybe_ne (wi::to_poly_offset
+                                  (TYPE_SIZE_UNIT (TREE_TYPE (lhs))),
+                                wi::to_poly_offset
+                                   (TYPE_SIZE_UNIT (TREE_TYPE (sym))))
                    && known_ge (mem_ref_offset (lhs), 0)
                    && known_gt (wi::to_poly_offset
                                   (TYPE_SIZE_UNIT (TREE_TYPE (sym))),