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On 07/24/2016 03:10 PM, tbsaunde+gcc@tbsaunde.org wrote:
This is fine. Though one has to wonder if a different representation than lists/vecs would work better given the walks. A bitmap for example might work well since I think we just need to track register #s.From: Trevor Saunders <tbsaunde+gcc@tbsaunde.org> gcc/ChangeLog: 2016-07-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org> * store-motion.c (struct st_expr): Make pattern_regs a vector. (extract_mentioned_regs): Append to a vector instead of returning a rtx_expr_list. (st_expr_entry): Adjust. (store_ops_ok): Likewise. (store_killed_in_insn): Likewise. (find_moveable_store): Likewise.
jeff
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