re PR bootstrap/78985 (profiledbootstrap failure by -Wuninitialized)

	PR bootstrap/78985
	* config/s390/s390.c (s390_gimplify_va_arg): Initialize local
	variable to NULL.
	(print_operand_address): Initialize a struct to zero.

From-SVN: r245195

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e0d251dbcdc30b1e09757ff2634db614ab061c94..22a8102f2991b90a31284bc21421b1444d242413 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2017-02-05  Martin Liska  <mliska@suse.cz>
+
+       PR bootstrap/78985
+       * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
+       variable to NULL.
+       (print_operand_address): Initialize a struct to zero.
+
 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
 
        * doc/extend.texi (x86 specific memory model extensions for

diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c
index 93377cdf7c84a8665f5fc6699dfa586d51683472..b7b93accae894b53a4730fd1f03f87a44be2658b 100644 (file)
--- a/gcc/config/s390/s390.c
+++ b/gcc/config/s390/s390.c
@@ -7347,6 +7347,7 @@ void
 print_operand_address (FILE *file, rtx addr)
 {
   struct s390_address ad;
+  memset (&ad, 0, sizeof (s390_address));
 
   if (s390_loadrelative_operand_p (addr, NULL, NULL))
     {
@@ -12195,7 +12196,7 @@ s390_gimplify_va_arg (tree valist, tree type, gimple_seq *pre_p,
   tree f_gpr, f_fpr, f_ovf, f_sav;
   tree gpr, fpr, ovf, sav, reg, t, u;
   int indirect_p, size, n_reg, sav_ofs, sav_scale, max_reg;
-  tree lab_false, lab_over;
+  tree lab_false, lab_over = NULL_TREE;
   tree addr = create_tmp_var (ptr_type_node, "addr");
   bool left_align_p; /* How a value < UNITS_PER_LONG is aligned within
                        a stack slot.  */