gcc/
PR rtl-optimization/48575
* genrecog.c (position_type): New enum.
(position): New structure.
(decision): Use position structure instead of a string.
(root_pos, peep2_insn_pos_list): New variables.
(next_position, compare_positions): New functions.
(new_decision): Use position structures instead of strings.
(maybe_both_true): Likewise.
(change_state): Likewise.
(write_tree): Likewise.
(make_insn_sequence): Likewise.
From-SVN: r174305
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