-/* Discover if the stack pointer is modified in a function.
- Copyright (C) 2007
+/* Discover if the stack pointer is modified in a function.
+ Copyright (C) 2007, 2008, 2009
Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
+Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
Only useful before prologues have been emitted. */
static void
-notice_stack_pointer_modification_1 (rtx x, rtx pat ATTRIBUTE_UNUSED,
+notice_stack_pointer_modification_1 (rtx x, const_rtx pat ATTRIBUTE_UNUSED,
void *data ATTRIBUTE_UNUSED)
{
if (x == stack_pointer_rtx
/* Assume that the stack pointer is unchanging if alloca hasn't
been used. */
- current_function_sp_is_unchanging = !current_function_calls_alloca;
+ current_function_sp_is_unchanging = !cfun->calls_alloca;
if (current_function_sp_is_unchanging)
FOR_EACH_BB (bb)
FOR_BB_INSNS (bb, insn)
return 0;
}
-struct tree_opt_pass pass_stack_ptr_mod =
+struct rtl_opt_pass pass_stack_ptr_mod =
{
- NULL, /* name */
+ {
+ RTL_PASS,
+ "*stack_ptr_mod", /* name */
NULL, /* gate */
rest_of_handle_stack_ptr_mod, /* execute */
NULL, /* sub */
NULL, /* next */
0, /* static_pass_number */
- 0, /* tv_id */
+ TV_NONE, /* tv_id */
0, /* properties_required */
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
- 0, /* todo_flags_finish */
- 0 /* letter */
+ 0 /* todo_flags_finish */
+ }
};