2017-02-14 Vladimir Makarov <vmakarov@redhat.com>

2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/79282
	* lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
	member early_clobber_alts.
	* lra-lives.c (reg_early_clobber_p): New.
	(process_bb_lives): Use it.
	* lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
	(debug_operand_data): Initialize early_clobber_alts.
	(setup_operand_alternative): Set up early_clobber_alts.
	(collect_non_operand_hard_regs): Ditto.  Pass early clobber
	alternatives to new_insn_reg.
	(add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
	it.
	(lra_update_insn_regno_info): Pass the new arg.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@245459 138bc75d-0d04-0410-961f-82ee72b054a4