contrib/gcc/cfgcleanup.c

1065 flow_find_cross_jump (int mode ATTRIBUTE_UNUSED, basic_block bb1,
1074   i1 = BB_END (bb1);
1097       while (!INSN_P (i1) && i1 != BB_HEAD (bb1))
1103       if (i1 == BB_HEAD (bb1) || i2 == BB_HEAD (bb2))
1151       while (last1 != BB_HEAD (bb1) && !INSN_P (PREV_INSN (last1)))
1154       if (last1 != BB_HEAD (bb1) && LABEL_P (PREV_INSN (last1)))
1174   basic_block bb1 = info->x_block;
1176   edge b1 = BRANCH_EDGE (bb1);
1178   edge f1 = FALLTHRU_EDGE (bb1);
1209   set1 = pc_set (BB_END (bb1));
1240       match = (insns_match_p (BB_END (bb1), BB_END (bb2), info)
1247       match = (insns_match_p (BB_END (bb1), BB_END (bb2), info)
1264       && maybe_hot_bb_p (bb1)
1283 		     bb1->index, bb2->index, b1->probability, prob2);
1291 	     bb1->index, bb2->index);
1305 outgoing_edges_match (int mode, basic_block bb1, basic_block bb2)
1314   if (single_succ_p (bb1)
1315       && (single_succ_edge (bb1)->flags & (EDGE_COMPLEX | EDGE_FAKE)) == 0
1316       && (!JUMP_P (BB_END (bb1)) || simplejump_p (BB_END (bb1))))
1324   if (EDGE_COUNT (bb1->succs) == 2
1325       && any_condjump_p (BB_END (bb1))
1326       && onlyjump_p (BB_END (bb1)))
1338       b1 = BRANCH_EDGE (bb1);
1340       f1 = FALLTHRU_EDGE (bb1);
1367       set1 = pc_set (BB_END (bb1));
1400 	  && maybe_hot_bb_p (bb1)
1419 			 bb1->index, bb2->index, b1->probability, prob2);
1427 		 bb1->index, bb2->index);
1441       if (tablejump_p (BB_END (bb1), &label1, &table1)
1452 	  if (label1 != label2 && !rtx_referenced_p (label2, BB_END (bb1)))
1487 		  for_each_rtx (&BB_END (bb1), replace_label, &rr);
1489 		  match = old_insns_match_p (mode, BB_END (bb1), BB_END (bb2));
1493 			     bb1->index, bb2->index);
1500 		  for_each_rtx (&BB_END (bb1), replace_label, &rr);
1511   if (!old_insns_match_p (mode, BB_END (bb1), BB_END (bb2)))
1517   if (EDGE_COUNT (bb1->succs) != EDGE_COUNT (bb2->succs))
1520   FOR_EACH_EDGE (e1, ei, bb1->succs)
1555     rtx n1 = find_reg_note (BB_END (bb1), REG_EH_REGION, 0);
1576       FOR_EACH_EDGE (e2, ei, bb1->succs)