contrib/gcc/cfgrtl.c

382   if (b->il.rtl->global_live_at_start)
384       FREE_REG_SET (b->il.rtl->global_live_at_start);
385       FREE_REG_SET (b->il.rtl->global_live_at_end);
386       b->il.rtl->global_live_at_start = NULL;
387       b->il.rtl->global_live_at_end = NULL;
518   if (bb->il.rtl->global_live_at_start)
520       new_bb->il.rtl->global_live_at_start = ALLOC_REG_SET (&reg_obstack);
521       new_bb->il.rtl->global_live_at_end = ALLOC_REG_SET (&reg_obstack);
522       COPY_REG_SET (new_bb->il.rtl->global_live_at_end, bb->il.rtl->global_live_at_end);
529       COPY_REG_SET (new_bb->il.rtl->global_live_at_start, bb->il.rtl->global_live_at_end);
530       propagate_block (new_bb, new_bb->il.rtl->global_live_at_start, NULL, NULL, 0);
531       COPY_REG_SET (bb->il.rtl->global_live_at_end,
532 		    new_bb->il.rtl->global_live_at_start);
637   a->il.rtl->global_live_at_end = b->il.rtl->global_live_at_end;
756 	  rtx insn = src->il.rtl->footer;
768 		    src->il.rtl->footer = NEXT_INSN (insn);
1101       if (target->il.rtl->global_live_at_start)
1103 	  jump_block->il.rtl->global_live_at_start = ALLOC_REG_SET (&reg_obstack);
1104 	  jump_block->il.rtl->global_live_at_end = ALLOC_REG_SET (&reg_obstack);
1105 	  COPY_REG_SET (jump_block->il.rtl->global_live_at_start,
1106 			target->il.rtl->global_live_at_start);
1107 	  COPY_REG_SET (jump_block->il.rtl->global_live_at_end,
1108 			target->il.rtl->global_live_at_start);
1309   if (edge_in->dest->il.rtl->global_live_at_start)
1311       bb->il.rtl->global_live_at_start = ALLOC_REG_SET (&reg_obstack);
1312       bb->il.rtl->global_live_at_end = ALLOC_REG_SET (&reg_obstack);
1313       COPY_REG_SET (bb->il.rtl->global_live_at_start,
1314 		    edge_in->dest->il.rtl->global_live_at_start);
1315       COPY_REG_SET (bb->il.rtl->global_live_at_end,
1316 		    edge_in->dest->il.rtl->global_live_at_start);
1608   dump_regset (bb->il.rtl->global_live_at_start, outf);
1616   dump_regset (bb->il.rtl->global_live_at_end, outf);
1668 	      dump_regset (bb->il.rtl->global_live_at_start, outf);
1685 	      dump_regset (bb->il.rtl->global_live_at_end, outf);
2369   new_bb->il.rtl->footer = bb->il.rtl->footer;
2370   bb->il.rtl->footer = NULL;
2476   if (bb->il.rtl->header)
2480 	NEXT_INSN (prev) = bb->il.rtl->header;
2482 	set_first_insn (bb->il.rtl->header);
2483       PREV_INSN (bb->il.rtl->header) = prev;
2484       insn = bb->il.rtl->header;
2491   if (bb->il.rtl->footer)
2493       insn = bb->il.rtl->footer;
2501 		bb->il.rtl->footer = NEXT_INSN (insn);
2509       if (bb->il.rtl->footer)
2512 	  NEXT_INSN (insn) = bb->il.rtl->footer;
2513 	  PREV_INSN (bb->il.rtl->footer) = insn;
2524     to = &bb->next_bb->il.rtl->header;
2610   if (b->il.rtl->header)
2614       last = emit_insn_after_noloc (b->il.rtl->header, BB_END (a));
2616       b->il.rtl->header = NULL;
2652   if (b->il.rtl->footer)
2654       if (!a->il.rtl->footer)
2655 	a->il.rtl->footer = b->il.rtl->footer;
2658 	  rtx last = a->il.rtl->footer;
2662 	  NEXT_INSN (last) = b->il.rtl->footer;
2663 	  PREV_INSN (b->il.rtl->footer) = last;
2665       b->il.rtl->footer = NULL;
2667   a->il.rtl->global_live_at_end = b->il.rtl->global_live_at_end;
2686   if (e->dest->il.rtl->global_live_at_start)
2688       new_bb->il.rtl->global_live_at_start = ALLOC_REG_SET (&reg_obstack);
2689       new_bb->il.rtl->global_live_at_end = ALLOC_REG_SET (&reg_obstack);
2690       COPY_REG_SET (new_bb->il.rtl->global_live_at_start,
2691 		    e->dest->il.rtl->global_live_at_start);
2692       COPY_REG_SET (new_bb->il.rtl->global_live_at_end,
2693 		    e->dest->il.rtl->global_live_at_start);
2943   gcc_assert (!bb->il.rtl);
2944   bb->il.rtl = ggc_alloc_cleared (sizeof (struct rtl_bb_info));