2015-10-07  Christian Bruel  <christian.bruel@st.com>

	PR target/67745
	* function.c (allocate_struct_function): Relayout function's alignment.

Index: gcc/function.c
===================================================================
--- gcc/function.c	(revision 228515)
+++ gcc/function.c	(working copy)
@@ -4840,6 +4840,12 @@ allocate_struct_function (tree fndecl, b
 	  for (tree parm = DECL_ARGUMENTS (fndecl); parm;
 	       parm = DECL_CHAIN (parm))
 	    relayout_decl (parm);
+
+	  /* Similarly, relayout function's alignment if not forced.  */
+	  if (!DECL_USER_ALIGN (fndecl)
+	      && (TREE_CODE (fntype) != METHOD_TYPE
+		  || TARGET_PTRMEMFUNC_VBIT_LOCATION != ptrmemfunc_vbit_in_pfn))
+	    DECL_ALIGN (fndecl) = FUNCTION_BOUNDARY;
 	}
 
       if (!abstract_p && aggregate_value_p (result, fndecl))