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As a follow up to http://gcc.gnu.org/ml/gcc-patches/2005-03/msg01892.html I have addressed the comment there in the following patch. the regression and bootstrap passed for the previous patch on i686-pc-linux-gnu and powerpc-apple-darwin. This patch has only comment changes and part of the previous patch was already committed as part of a bug fix in SMS. Bootstrap of the new patch on both targets to make sure I didn't miss something. Mostafa. 2005-03-31 Mostafa Hagog <mustafa@il.ibm.com> * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE. * modulo-sched.c (undo_replace_buff_elem): New structure. (kernel_number_of_cycles, ps_unschedule_node, undo_generate_reg_moves,free_undo_replace_buff, undo_permute_partial_schedule, loop_single_full_bb_p, SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop, build_loops_structure, get_sched_window): New. (generate_reg_moves): Return undo_replace_buff_elem and other fixes. (generate_prolog_epilog): Remove old loop versioning. (sms_schedule): Use loop information and loop_version. (sms_schedule_by_order): Split part of it to get_sched_window. * passes.c (rest_of_handle_sms): call cfg_layout_initialize cfg_layout_finalize and free_dominance_info before/after SMS. (See attached file: sms_main-8.patch)
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