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| author | Vladimir Makarov <vmakarov@redhat.com> | 2009-10-14 16:24:11 +0000 |
|---|---|---|
| committer | Vladimir Makarov <vmakarov@gcc.gnu.org> | 2009-10-14 16:24:11 +0000 |
| commit | 1833192f30abf95ec0124033882e6bcb64552e6f (patch) | |
| tree | 793540b6a00bb42653fb0e372d22502ee7bdf535 /gcc/toplev.h | |
| parent | 200c8750d65ebebc8a0d6f6f77a7f02b5a4a8ef3 (diff) | |
| download | gcc-1833192f30abf95ec0124033882e6bcb64552e6f.zip gcc-1833192f30abf95ec0124033882e6bcb64552e6f.tar.gz gcc-1833192f30abf95ec0124033882e6bcb64552e6f.tar.bz2 | |
params.def (PARAM_IRA_LOOP_RESERVED_REGS): New.
2009-09-26 Vladimir Makarov <vmakarov@redhat.com>
* params.def (PARAM_IRA_LOOP_RESERVED_REGS): New.
* params.h (IRA_LOOP_RESERVED_REGS): New
* tree-pass.h (pass_subregs_of_mode_init,
pass_subregs_of_mode_finish): Remove.
* passes.c (pass_subregs_of_mode_init,
pass_subregs_of_mode_finish): Remove.
(pass_reginfo_init): Move before loop optimizations.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Define.
* common.opt (fira-loop-pressure): New.
* toplev.h (flag_ira_loop_pressure): New.
* rtl.h (init_subregs_of_mode, finish_subregs_of_mode): New
externals.
* reginfo.c (init_subregs_of_mode, finish_subregs_of_mode):
Make external and void type functions.
(gate_subregs_of_mode_init, pass_subregs_of_mode_init,
pass_subregs_of_mode_finish): Remove.
* ira-costs.c (init_costs): Call init_subregs_of_mode.
* regmove.c: Include ira.h.
(regmove_optimize): Call ira_set_pseudo_classes after IRA based
register pressure calculation in loops.
* loop-invariant.c: Include REGS_H and ira.h.
(struct loop_data): New members max_reg_pressure, regs_ref, and
regs_live.
(struct invariant): New member orig_regno.
(curr_loop): New variable.
(find_exits): Initialize regs_ref and regs_live.
(create_new_invariant): Initialize orig_regno.
(get_cover_class_and_nregs): New.
(get_inv_cost): Make aregs_needed an array. Use regs_needed as an
array. Add code for flag_ira_loop_pressure.
(gain_for_invariant): Make new_regs an array. Add code for
flag_ira_loop_pressure.
(best_gain_for_invariant): Ditto.
(set_move_mark): New parameter gain. Use it for debugging output.
(find_invariants_to_move): Make regs_needed and new_regs an array.
Add code for flag_ira_loop_pressure.
(move_invariant_reg): Set up orig_regno.
(move_invariants): Set up reg classes for pseudos for
flag_ira_loop_pressure.
(free_loop_data): Clear regs_ref and regs_live.
(curr_regs_live, curr_reg_pressure, regs_set, n_regs_set,
get_regno_cover_class, change_pressure, mark_regno_live,
mark_regno_death, mark_reg_store, mark_reg_clobber,
mark_reg_death, mark_ref_regs, calculate_loop_reg_pressure): New.
(move_loop_invariants): Calculate pressure. Initialize curr_loop.
* ira.c (ira): Call ira_set_pseudo_classes after IRA based
register pressure calculation in loops if new regs were added.
Call finish_subregs_of_mode.
* opts.c (decode_options): Set up flag_ira_loop_pressure.
* Makefile.in (loop-invariant.o): Add ira.h.
(regmove.o): Ditto.
* doc/invoke.texi (-fira-loop-pressure, ira-loop-reserved-regs):
Describe.
* doc/tm.texi (STACK_REG_COVER_CLASS): Describe.
From-SVN: r152770
Diffstat (limited to 'gcc/toplev.h')
| -rw-r--r-- | gcc/toplev.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/toplev.h b/gcc/toplev.h index cca6867..88ab7e8 100644 --- a/gcc/toplev.h +++ b/gcc/toplev.h @@ -142,6 +142,7 @@ extern int flag_unroll_all_loops; extern int flag_unswitch_loops; extern int flag_cprop_registers; extern int time_report; +extern int flag_ira_loop_pressure; extern int flag_ira_coalesce; extern int flag_ira_move_spills; extern int flag_ira_share_save_slots; |