r216620 - in /trunk/gcc: ChangeLog haifa-sched.c

[mkuvyrkov@gcc.gnu.org]

Author: mkuvyrkov
Date: Fri Oct 24 08:22:12 2014
New Revision: 216620

URL: https://gcc.gnu.org/viewcvs?rev=216620&root=gcc&view=rev
Log:
Account for prologue spills in reg_pressure scheduling

	* haifa-sched.c (sched_class_regs_num, call_used_regs_num): New static
	arrays.  Use sched_class_regs_num instead of ira_class_hard_regs_num.
	(print_curr_reg_pressure, setup_insn_reg_pressure_info,)
	(model_update_pressure, model_spill_cost): Use sched_class_regs_num.
	(model_start_schedule): Update.
	(sched_pressure_start_bb): New static function.  Calculate
	sched_class_regs_num.
	(schedule_block): Use it.
	(alloc_global_sched_pressure_data): Calculate call_used_regs_num.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/haifa-sched.c