/* Loop optimizer initialization routines and RTL loop optimization passes.
- Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ Free Software Foundation, Inc.
This file is part of GCC.
/* Create pre-headers. */
if (flags & LOOPS_HAVE_PREHEADERS)
- create_preheaders (CP_SIMPLE_PREHEADERS);
+ {
+ int cp_flags = CP_SIMPLE_PREHEADERS;
+
+ if (flags & LOOPS_HAVE_FALLTHRU_PREHEADERS)
+ cp_flags |= CP_FALLTHRU_PREHEADERS;
+
+ create_preheaders (cp_flags);
+ }
/* Force all latches to have only single successor. */
if (flags & LOOPS_HAVE_SIMPLE_LATCHES)
/* Checking. */
#ifdef ENABLE_CHECKING
- verify_flow_info ();
+ /* FIXME: no point to verify flow info after bundling on ia64. Use this
+ hack for achieving this. */
+ if (!reload_completed)
+ verify_flow_info ();
#endif
}
));
}
-struct tree_opt_pass pass_loop2 =
+struct rtl_opt_pass pass_loop2 =
{
+ {
+ RTL_PASS,
"loop2", /* name */
gate_handle_loop2, /* gate */
NULL, /* execute */
0, /* properties_destroyed */
0, /* todo_flags_start */
TODO_dump_func |
- TODO_ggc_collect, /* todo_flags_finish */
- 'L' /* letter */
+ TODO_ggc_collect /* todo_flags_finish */
+ }
};
\f
rtl_loop_init (void)
{
gcc_assert (current_ir_type () == IR_RTL_CFGLAYOUT);
-
+
if (dump_file)
dump_flow_info (dump_file, dump_flags);
return 0;
}
-struct tree_opt_pass pass_rtl_loop_init =
+struct rtl_opt_pass pass_rtl_loop_init =
{
+ {
+ RTL_PASS,
"loop2_init", /* name */
NULL, /* gate */
rtl_loop_init, /* execute */
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
- TODO_dump_func | TODO_verify_rtl_sharing, /* todo_flags_finish */
- 'L' /* letter */
+ TODO_dump_func | TODO_verify_rtl_sharing /* todo_flags_finish */
+ }
};
\f
return 0;
}
-struct tree_opt_pass pass_rtl_loop_done =
+struct rtl_opt_pass pass_rtl_loop_done =
{
+ {
+ RTL_PASS,
"loop2_done", /* name */
NULL, /* gate */
rtl_loop_done, /* execute */
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
- TODO_dump_func | TODO_verify_rtl_sharing, /* todo_flags_finish */
- 'L' /* letter */
+ TODO_dump_func | TODO_verify_rtl_sharing /* todo_flags_finish */
+ }
};
\f
return 0;
}
-struct tree_opt_pass pass_rtl_move_loop_invariants =
+struct rtl_opt_pass pass_rtl_move_loop_invariants =
{
+ {
+ RTL_PASS,
"loop2_invariant", /* name */
gate_rtl_move_loop_invariants, /* gate */
rtl_move_loop_invariants, /* execute */
NULL, /* sub */
NULL, /* next */
0, /* static_pass_number */
- TV_LOOP, /* tv_id */
+ TV_LOOP_MOVE_INVARIANTS, /* tv_id */
0, /* properties_required */
0, /* properties_provided */
0, /* properties_destroyed */
- 0, /* todo_flags_start */
+ 0, /* todo_flags_start */
TODO_df_verify |
TODO_df_finish | TODO_verify_rtl_sharing |
- TODO_dump_func, /* todo_flags_finish */
- 'L' /* letter */
+ TODO_dump_func /* todo_flags_finish */
+ }
};
\f
return 0;
}
-struct tree_opt_pass pass_rtl_unswitch =
+struct rtl_opt_pass pass_rtl_unswitch =
{
+ {
+ RTL_PASS,
"loop2_unswitch", /* name */
gate_rtl_unswitch, /* gate */
rtl_unswitch, /* execute */
NULL, /* sub */
NULL, /* next */
0, /* static_pass_number */
- TV_LOOP, /* tv_id */
+ TV_LOOP_UNSWITCH, /* tv_id */
0, /* properties_required */
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
TODO_dump_func | TODO_verify_rtl_sharing, /* todo_flags_finish */
- 'L' /* letter */
+ }
};
\f
return 0;
}
-struct tree_opt_pass pass_rtl_unroll_and_peel_loops =
+struct rtl_opt_pass pass_rtl_unroll_and_peel_loops =
{
+ {
+ RTL_PASS,
"loop2_unroll", /* name */
gate_rtl_unroll_and_peel_loops, /* gate */
rtl_unroll_and_peel_loops, /* execute */
NULL, /* sub */
NULL, /* next */
0, /* static_pass_number */
- TV_LOOP, /* tv_id */
+ TV_LOOP_UNROLL, /* tv_id */
0, /* properties_required */
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
TODO_dump_func | TODO_verify_rtl_sharing, /* todo_flags_finish */
- 'L' /* letter */
+ }
};
\f
return 0;
}
-struct tree_opt_pass pass_rtl_doloop =
+struct rtl_opt_pass pass_rtl_doloop =
{
+ {
+ RTL_PASS,
"loop2_doloop", /* name */
gate_rtl_doloop, /* gate */
rtl_doloop, /* execute */
NULL, /* sub */
NULL, /* next */
0, /* static_pass_number */
- TV_LOOP, /* tv_id */
+ TV_LOOP_DOLOOP, /* tv_id */
0, /* properties_required */
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
- TODO_dump_func | TODO_verify_rtl_sharing, /* todo_flags_finish */
- 'L' /* letter */
+ TODO_dump_func | TODO_verify_rtl_sharing /* todo_flags_finish */
+ }
};