gcc/
* basic-block.h (basic_block split_edge_and_insert): Strengthen
param "insns" from rtx to rtx_insn *.
* loop-unroll.c (struct iv_to_split): Strengthen field "insn" from
rtx to rtx_insn *.
(struct iv_to_split): Likewise.
(loop_exit_at_end_p): Likewise for local "insn".
(split_edge_and_insert): Likewise for param "insns".
(compare_and_jump_seq): Likewise for return type, param "cinsn",
and locals "seq", "jump".
(unroll_loop_runtime_iterations): Likewise for locals "init_code",
"branch_code"; update invocations of compare_and_jump_seq to
eliminate NULL_RTX in favor of NULL.
(referenced_in_one_insn_in_loop_p): Strengthen local "insn" from
rtx to rtx_insn *.
(reset_debug_uses_in_loop): Likewise.
(analyze_insn_to_expand_var): Likewise for param "insn".
(analyze_iv_to_split_insn): Likewise.
(analyze_insns_in_loop): Likewise for local "insn".
(insert_base_initialization): Likewise for param
"insn" and local "seq".
(split_iv): Likewise for param "insn" and local "seq".
(expand_var_during_unrolling): Likewise for param "insn".
(insert_var_expansion_initialization): Likewise for local "seq".
(combine_var_copies_in_loop_exit): Likewise.
(combine_var_copies_in_loop_exit): Likewise for locals "seq" and
"insn".
(maybe_strip_eq_note_for_split_iv): Likewise for param "insn".
(apply_opt_in_copies): Likewise for locals "insn", "orig_insn",
"next".
From-SVN: r214345
