builtins.c (expand_builtin_init_descriptor): Set memory alignment.

2019-08-14  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * builtins.c (expand_builtin_init_descriptor): Set memory alignment.

From-SVN: r274487

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7e2158b..9f52514 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2019-08-14  Bernd Edlinger  <bernd.edlinger@hotmail.de>
+
+       * builtins.c (expand_builtin_init_descriptor): Set memory alignment.
+
 2019-08-14  Martin Sebor  <msebor@redhat.com>
 
        PR tree-optimization/91294

diff --git a/gcc/builtins.c b/gcc/builtins.c
index ece9f56..9a766e4 100644 (file)
--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -5756,6 +5756,7 @@ expand_builtin_init_descriptor (tree exp)
   r_descr = expand_normal (t_descr);
   m_descr = gen_rtx_MEM (BLKmode, r_descr);
   MEM_NOTRAP_P (m_descr) = 1;
+  set_mem_align (m_descr, GET_MODE_ALIGNMENT (ptr_mode));
 
   r_func = expand_normal (t_func);
   r_chain = expand_normal (t_chain);