config/ia64/ia64.c

2660 struct spill_fill_data
2673 static struct spill_fill_data spill_fill_data;
2680   spill_fill_data.init_after = get_last_insn ();
2681   spill_fill_data.init_reg[0] = init_reg;
2682   spill_fill_data.init_reg[1] = init_reg;
2683   spill_fill_data.prev_addr[0] = NULL;
2684   spill_fill_data.prev_addr[1] = NULL;
2685   spill_fill_data.prev_insn[0] = NULL;
2686   spill_fill_data.prev_insn[1] = NULL;
2687   spill_fill_data.prev_off[0] = cfa_off;
2688   spill_fill_data.prev_off[1] = cfa_off;
2689   spill_fill_data.next_iter = 0;
2690   spill_fill_data.save_gr_used_mask = current_frame_info.gr_used_mask;
2692   spill_fill_data.n_iter = 1 + (n_spills > 2);
2693   for (i = 0; i < spill_fill_data.n_iter; ++i)
2696       spill_fill_data.iter_reg[i] = gen_rtx_REG (DImode, regno);
2704   current_frame_info.gr_used_mask = spill_fill_data.save_gr_used_mask;
2710   int iter = spill_fill_data.next_iter;
2711   HOST_WIDE_INT disp = spill_fill_data.prev_off[iter] - cfa_off;
2715   if (spill_fill_data.prev_addr[iter])
2719 	  *spill_fill_data.prev_addr[iter]
2720 	    = gen_rtx_POST_MODIFY (DImode, spill_fill_data.iter_reg[iter],
2722 						 spill_fill_data.iter_reg[iter],
2724 	  REG_NOTES (spill_fill_data.prev_insn[iter])
2725 	    = gen_rtx_EXPR_LIST (REG_INC, spill_fill_data.iter_reg[iter],
2726 				 REG_NOTES (spill_fill_data.prev_insn[iter]));
2737 	  emit_insn (gen_adddi3 (spill_fill_data.iter_reg[iter],
2738 				 spill_fill_data.iter_reg[iter], disp_rtx));
2746 	   && spill_fill_data.init_reg[iter] == stack_pointer_rtx
2758 	seq = gen_movdi (spill_fill_data.iter_reg[iter],
2759 			 spill_fill_data.init_reg[iter]);
2771 	  emit_insn (gen_adddi3 (spill_fill_data.iter_reg[iter],
2772 				 spill_fill_data.init_reg[iter],
2780       if (spill_fill_data.init_after)
2781 	insn = emit_insn_after (seq, spill_fill_data.init_after);
2790       spill_fill_data.init_after = insn;
2803   mem = gen_rtx_MEM (GET_MODE (reg), spill_fill_data.iter_reg[iter]);
2810   spill_fill_data.prev_addr[iter] = &XEXP (mem, 0);
2811   spill_fill_data.prev_off[iter] = cfa_off;
2813   if (++iter >= spill_fill_data.n_iter)
2815   spill_fill_data.next_iter = iter;
2824   int iter = spill_fill_data.next_iter;
2829   spill_fill_data.prev_insn[iter] = insn;
2866   int iter = spill_fill_data.next_iter;
2871   spill_fill_data.prev_insn[iter] = insn;