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| author | hagog <hagog@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-05-25 12:55:06 +0000 |
|---|---|---|
| committer | hagog <hagog@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-05-25 12:55:06 +0000 |
| commit | 406a73e72e285d52b83924c5c6a0347260b2579e (patch) | |
| tree | ba0032753f675cc964af30f84d718202207f1c63 /gcc/passes.c | |
| parent | d263732c915b08ccfb5ef155ed27a8671760dc91 (diff) | |
| download | gcc-406a73e72e285d52b83924c5c6a0347260b2579e.tar.gz | |
* ddg.h, ddg.c, modulo-sched.c: New files.
* cfglayout.c (duplicate_insn_chain): Remove "static" and push
internals to "dupicate_insn".
(duplicate_insn): New function.
* cfglayout.h (duplicate_insn_chain, duplicate_insn): New
declarations.
* common.opt (fmodulo-sched): New flag.
* df.c (df_bb_regno_last_use_find, df_bb_regno_first_def_find):
Remove static and forward declaration.
(df_find_def, df_reg_used, df_bb_regno_last_def_find): New
functions.
* df.h (df_bb_regno_last_use_find, df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_reg_used): New
declarations.
* flags.h (flag_modulo_sched): New flag.
* opts.c (common_handle_option): Handle modulo-sched flag.
* params.def (max-sms-loop-number, sms-max-ii-factor,
sms-dfa-history, sms-loop-average-count-threshold): New
parameters.
* params.h (MAX_SMS_LOOP_NUMBER, SMS_MAX_II_FACTOR,
SMS_DFA_HISTORY, SMS_LOOP_AVERAGE_COUNT_THRESHOLD): New
parameters.
* passes.c ("sms", "sms-vcg"): New dumps.
(rest_of_handle_sched): Call sms_schedule.
* rtl.h (sms_schedule): New declaration.
* timevar.def (TV_SMS): New.
* toplev.c (flag_modulo_sched): Initialize.
(f_options): Handle -fmodulo-sched option.
* docs/invoke.texi: Document -fmodulo-sched & -dm options.
* docs/passes.texi: Document new SMS pass.f toplev.c doc/invoke.texi doc/passes.texi
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@82235 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/passes.c')
| -rw-r--r-- | gcc/passes.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/gcc/passes.c b/gcc/passes.c index 841e361149c..dc19ea88326 100644 --- a/gcc/passes.c +++ b/gcc/passes.c @@ -154,6 +154,7 @@ enum dump_file_index DFI_combine, DFI_ce2, DFI_regmove, + DFI_sms, DFI_sched, DFI_lreg, DFI_greg, @@ -178,7 +179,7 @@ enum dump_file_index Remaining -d letters: - " e m q " + " e q " " K O Q WXY " */ @@ -207,6 +208,7 @@ static struct dump_file_info dump_file_tbl[DFI_MAX] = { "combine", 'c', 1, 0, 0 }, { "ce2", 'C', 1, 0, 0 }, { "regmove", 'N', 1, 0, 0 }, + { "sms", 'm', 0, 0, 0 }, { "sched", 'S', 1, 0, 0 }, { "lreg", 'l', 1, 0, 0 }, { "greg", 'g', 1, 0, 0 }, @@ -742,6 +744,29 @@ rest_of_handle_reorder_blocks (tree decl, rtx insns) static void rest_of_handle_sched (tree decl, rtx insns) { + timevar_push (TV_SMS); + if (optimize > 0 && flag_modulo_sched) + { + + /* Perform SMS module scheduling. */ + open_dump_file (DFI_sms, decl); + + /* We want to be able to create new pseudos. */ + no_new_pseudos = 0; + sms_schedule (dump_file); + close_dump_file (DFI_sms, print_rtl, get_insns ()); + + + /* Update the life information, becuase we add pseudos. */ + max_regno = max_reg_num (); + allocate_reg_info (max_regno, FALSE, FALSE); + update_life_info_in_dirty_blocks (UPDATE_LIFE_GLOBAL_RM_NOTES, + (PROP_DEATH_NOTES + | PROP_KILL_DEAD_CODE + | PROP_SCAN_DEAD_CODE)); + no_new_pseudos = 1; + } + timevar_pop (TV_SMS); timevar_push (TV_SCHED); /* Print function header into sched dump now |