2003-02-24  Sanjiv Kumar Gupta  <sanjivg@noida.hcltech.com>

	* target-def.h (TARGET_SCHED_INIT_GLOBAL,
	TARGET_SCHED_FINISH_GLOBAL): New macros.

	* target.h (md_init_global, md_finish_global): Function
	declarations corresponding to new target macros.

	* haifa-sched.c (sched_init, sched_finish): Allow target to
	call the new schedular hooks.

	* flow.c (recompute_reg_usage): Add PROP_DEATH_NOTES flag in
	call to update_life_info.

	* config/sh/sh.h (OVERRIDE_OPTIONS): Re-enable
	flag_schedule_insns for SH4.

	* config/sh/sh.c (sh_md_init_global, sh_md_finish_global,
	find_set_regmode_weight, find_insn_regmode_weight,
	find_regmode_weight), sh_md_init, sh_dfa_new_cycle,
	sh_variable_issue, high_pressure, ready_reorder,
	rank_for_reorder, swap_reorder, sh_reorder, sh_reorder2): New
	functions used to throttle the insn movement in first
	scheduling pass for SH.

	* gcc/doc/tm.texi: Document TARGET_SCHED_INIT_GLOBAL and
	TARGET_SCHED_FINISH_GLOBAL.

From-SVN: r78374