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authorAyal Zaks <zaks@il.ibm.com>2004-05-25 12:55:06 +0000
committerMostafa Hagog <hagog@gcc.gnu.org>2004-05-25 12:55:06 +0000
commite56261981bc8ad88515fda18d846bf61bf6c2353 (patch)
treeba0032753f675cc964af30f84d718202207f1c63 /gcc/common.opt
parent2f93eea8612d4ced2eeee52db5ce66bd75303455 (diff)
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ddg.h, [...]: New files.
* 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 Co-Authored-By: Mostafa Hagog <mustafa@il.ibm.com> From-SVN: r82235
Diffstat (limited to 'gcc/common.opt')
-rw-r--r--gcc/common.opt4
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/common.opt b/gcc/common.opt
index 17c407e..a89b2be 100644
--- a/gcc/common.opt
+++ b/gcc/common.opt
@@ -466,6 +466,10 @@ fmessage-length=
Common RejectNegative Joined UInteger
-fmessage-length=<number> Limit diagnostics to <number> characters per line. 0 suppresses line-wrapping
+fmodulo-sched
+Common
+Perform SMS based modulo scheduling before the first scheduling pass
+
fmove-all-movables
Common
Force all loop invariant computations out of loops