r217533 - in /trunk/gcc: ChangeLog common.opt c...

[amker@gcc.gnu.org]

Author: amker
Date: Fri Nov 14 02:32:38 2014
New Revision: 217533

URL: https://gcc.gnu.org/viewcvs?rev=217533&root=gcc&view=rev
Log:

	* timevar.def (TV_SCHED_FUSION): New time var.
	* passes.def (pass_sched_fusion): New pass.
	* config/arm/arm.c (TARGET_SCHED_FUSION_PRIORITY): New.
	(extract_base_offset_in_addr, fusion_load_store): New.
	(arm_sched_fusion_priority): New.
	(arm_option_override): Disable scheduling fusion by default
	on non-armv7 processors or ldrd/strd isn't preferred.
	* sched-int.h (struct _haifa_insn_data): New field.
	(INSN_FUSION_PRIORITY, FUSION_MAX_PRIORITY, sched_fusion): New.
	* sched-rgn.c (rest_of_handle_sched_fusion): New.
	(pass_data_sched_fusion, pass_sched_fusion): New.
	(make_pass_sched_fusion): New.
	* haifa-sched.c (sched_fusion): New.
	(insn_cost): Handle sched_fusion.
	(priority): Handle sched_fusion by calling target hook.
	(enum rfs_decision): New enum value.
	(rfs_str): New element for RFS_FUSION.
	(rank_for_schedule): Support sched_fusion.
	(schedule_insn, max_issue, prune_ready_list): Handle sched_fusion.
	(schedule_block, fix_tick_ready): Handle sched_fusion.
	* common.opt (flag_schedule_fusion): New.
	* tree-pass.h (make_pass_sched_fusion): New.
	* target.def (fusion_priority): New.
	* doc/tm.texi.in (TARGET_SCHED_FUSION_PRIORITY): New.
	* doc/tm.texi: Regenerated.
	* doc/invoke.texi (-fschedule-fusion): New.

	testsuite:
	* gcc.target/arm/ldrd-strd-pair-1.c: New test.
	* gcc.target/arm/vfp-1.c: Improve scanning string.


Added:
    trunk/gcc/testsuite/gcc.target/arm/ldrd-strd-pair-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/common.opt
    trunk/gcc/config/arm/arm.c
    trunk/gcc/doc/invoke.texi
    trunk/gcc/doc/tm.texi
    trunk/gcc/doc/tm.texi.in
    trunk/gcc/haifa-sched.c
    trunk/gcc/passes.def
    trunk/gcc/sched-int.h
    trunk/gcc/sched-rgn.c
    trunk/gcc/target.def
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.target/arm/vfp-1.c
    trunk/gcc/timevar.def
    trunk/gcc/tree-pass.h