dist/gcc/lra-remat.c

79 typedef struct cand *cand_t;
80 typedef const struct cand *const_cand_t;
88 struct cand
175 cand_hash (const void *cand)
177   const_cand_t c = (const_cand_t) cand;
219 insert_cand (cand_t cand)
223   entry_ptr = htab_find_slot (cand_table, cand, INSERT);
225     *entry_ptr = (void *) cand;
231 free_cand (void *cand)
233   free (cand);
407   cand_t cand = XNEW (struct cand);
408   cand->insn = insn;
409   cand->nop = nop;
410   cand->regno = regno;
411   cand->reload_regno = op_regno == regno ? -1 : op_regno;
412   gcc_assert (cand->regno >= 0);
413   cand_t cand_in_table = insert_cand (cand);
415   if (cand != cand_in_table)
416     free (cand);
419       /* A new cand.  */
420       cand->index = all_cands.length ();
421       all_cands.safe_push (cand);
422       cand->next_regno_cand = regno_cands[cand->regno];
423       regno_cands[cand->regno] = cand;
535   cand_t cand;
540       cand = all_cands[i];
542 	       i, cand->nop, cand->regno, cand->reload_regno);
543       print_inline_rtx (dump_file, cand->insn, 6);
739 	  cand_t cand = all_cands[i];
740 	  lra_insn_recog_data_t id = lra_get_insn_recog_data (cand->insn);
772 	    cand_t cand;
796 		      cand = insn_to_cand[INSN_UID (insn2)];
797 		      gcc_assert (cand != NULL);
799 		      if (src_regno == cand->reload_regno
800 			  && dst_regno == cand->regno)
802 		      if (cand->regno == reg->regno
805 			  bitmap_clear_bit (gen_cands, cand->index);
817 		    cand = insn_to_cand[INSN_UID (insn2)];
818 		    gcc_assert (cand != NULL);
821 			bitmap_clear_bit (gen_cands, cand->index);
828 	    cand = insn_to_cand[INSN_UID (insn)];
829 	    if (cand != NULL)
831 		bitmap_set_bit (gen_cands, cand->index);
866       cand_t cand = all_cands[cid];
867       lra_insn_recog_data_t id = lra_get_insn_recog_data (cand->insn);
878 	if (reg->type == OP_OUT && reg->regno != cand->regno)
887       if (bitmap_bit_p (bb_changed_regs, cand->regno)
888 	  || bitmap_bit_p (bb_dead_regs, cand->regno))
1097 	  cand_t cand;
1111 	  cand = NULL;
1119 	      for (cand = regno_cands[src_regno];
1120 		   cand != NULL;
1121 		   cand = cand->next_regno_cand)
1122 		if (bitmap_bit_p (avail_cands, cand->index)
1123 		    && bitmap_bit_p (active_cands, cand->index))
1130 	  if (cand != NULL)
1133 		= lra_get_insn_recog_data (cand->insn);
1136 	      rtx saved_op = *cand_id->operand_loc[cand->nop];
1181 		  *cand_id->operand_loc[cand->nop] = SET_DEST (set);
1182 		  lra_update_insn_regno_info (cand->insn);
1183 		  bool ok_p = lra_constrain_insn (cand->insn);
1186 		      rtx remat_pat = copy_insn (PATTERN (cand->insn));
1196 		  *cand_id->operand_loc[cand->nop] = saved_op;
1197 		  lra_update_insn_regno_info (cand->insn);
1212 		    cand = all_cands[cid];
1215 		    if (src_regno == cand->reload_regno
1216 			&& dst_regno == cand->regno)
1218 		    if (cand->regno == reg->regno
1219 			|| reg_overlap_for_remat_p (reg, cand->insn))
1220 		      bitmap_set_bit (&temp_bitmap, cand->index);
1228 		  cand = all_cands[cid];
1230 		  if (call_used_input_regno_present_p (callee_abi, cand->insn))
1231 		    bitmap_set_bit (&temp_bitmap, cand->index);
1239 	  cand = insn_to_cand_activation[INSN_UID (insn)];
1240 	  if (cand)
1241 	    bitmap_set_bit (active_cands, cand->index);
1243 	  cand = insn_to_cand[INSN_UID (insn)];
1244 	  if (cand != NULL)
1246 	      bitmap_set_bit (avail_cands, cand->index);
1247 	      if (cand->reload_regno == -1)
1248 		bitmap_set_bit (active_cands, cand->index);
1250 		bitmap_clear_bit (active_cands, cand->index);