2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>

	* loop.c (current_loop_info): Delete.
	(consec_sets_invariant_p): Add loop argument, update callers.
	(get_condition_for_loop): Likewise.
	(count_nonfixed_reads, update_giv_derive): Likewise.
	(simplify_giv_expr, general_induction_var): Likewise.
	(consec_sets_giv, recombine_givs): Likewise.
	(move_movables): Delete loop_start and loop_end arguments,
	add loop argument, and update callers.
	(find_mem_givs, check_final_value): Likewise.
	(record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
	(loop_invariant_p): Rename from invariant_p, add loop argument, and
	update callers.
	(basic_induction_var): Add loop argument, delete loop_level argument,
	and update callers.
	* unroll.c (iteration_info): Delete loop_start and loop_end arguments,
	add loop argument, and update callers.
	(find_splittable_regs, find_splittable_givs): Likewise.
	(reg_dead_after_loop, loop_find_equiv_value): Likewise.
	(final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
	(biv_total_increment): Delete loop_start and loop_end arguments;
	update callers.
	(precondition_loop_p): Delete loop_start and loop_info arguments;
	update callers.
	* loop.h (get_condition_for_loop): Add loop argument.
	(biv_total_increment): Delete loop_start and loop_end arguments.
	(precondition_loop_p): Delete loop_start and loop_info arguments;
	add loop argument.
	(final_biv_value): Delete loop_start and loop_end arguments;
	add loop argument.
	(final_giv_value, back_branch_in_range_p): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31618 138bc75d-0d04-0410-961f-82ee72b054a4

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