On 09/30/2011 09:08 AM, Bernd Schmidt wrote: > gcc/ > * regrename.h: New file. > * regrename.c: Include it. Also include "emit-rtl.h". > (struct du_head, struct du_chain, du_head_p DEF_VEC and > DEF_VEC_ALLOC_P): Move to regrename.h. > (do_replace): Remove declaration. > (insn_rr): New variable. > (cur_operand): New static variable. > (regrename_chain_from_id): Renamed from chain_from_id and no longer > static. All callers changed. > (record_operand_use): New static function. > (scan_rtx_reg): Use it. > (find_best_rename_reg): New function, broken out of rename_chains. > (rename_chains): Use it. Don't update chain regno and nregs here, ... > (regrename_do_replace): ... do it here instead. Renamed from > do_replace, and no longer static. All callers changed. > (regrename_analyze): No longer static. New arg bb_mask. > All callers changed. If bb_mask is nonzero, use it to limit the > number of basic blocks we analyze. If we failed to analyze a block, > clear insn operand data. > (record_out_operands): New arg insn_info. Update cur_operand if it is > nonnull. > (build_def_use): If insn_rr is nonnull, pass an insn_info to > record_out_operands, and update cur_operand here as well. > (regrename_init, regrename_finish): New functions. > (regrename_optimize): Use them. > * Makefile.in (regrename.o): Adjust dependencies.
Ok. r~
