Goodbye REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED

Goodbye REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED

	* regs.h (struct reg_info_t): Delete freq_calls_crossed and
	throw_calls_crossed.
	(REG_FREQ_CALLS_CROSSED): Delete.
	(REG_N_THROWING_CALLS_CROSSED): Delete.
	* regstat.c (regstat_bb_compute_ri): Don't calculate
	REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
	(dump_reg_info): Don't print call cross frequency.
	* ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
	and REG_N_THROWING_CALLS_CROSSED.

From-SVN: r235664