/* 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.
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"
passes may want. */
gcc_assert ((flags & ~(LOOPS_MAY_HAVE_MULTIPLE_LATCHES
| LOOPS_HAVE_RECORDED_EXITS)) == 0);
- current_loops->state = LOOPS_MAY_HAVE_MULTIPLE_LATCHES;
+ loops_state_set (LOOPS_MAY_HAVE_MULTIPLE_LATCHES);
}
else
disambiguate_loops_with_multiple_latches ();
/* 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)
}
/* Clean up. */
- if (current_loops->state & LOOPS_HAVE_RECORDED_EXITS)
+ if (loops_state_satisfies_p (LOOPS_HAVE_RECORDED_EXITS))
release_recorded_exits ();
flow_loops_free (current_loops);
ggc_free (current_loops);
/* 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_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_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 */
- TODO_df_finish | /* This is shutting down the instance in loop_invariant.c */
- TODO_dump_func, /* todo_flags_finish */
- 'L' /* letter */
+ 0, /* todo_flags_start */
+ TODO_df_verify |
+ TODO_df_finish | TODO_verify_rtl_sharing |
+ 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_flags_finish */
- 'L' /* letter */
+ TODO_dump_func | TODO_verify_rtl_sharing, /* todo_flags_finish */
+ }
};
\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_flags_finish */
- 'L' /* letter */
+ TODO_dump_func | TODO_verify_rtl_sharing, /* todo_flags_finish */
+ }
};
\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_flags_finish */
- 'L' /* letter */
+ TODO_dump_func | TODO_verify_rtl_sharing /* todo_flags_finish */
+ }
};
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