1547 static void layout_arg_even(TCGCumulativeArgs *cum)  in layout_arg_even()  argument
1549     cum->arg_slot += cum->arg_slot & 1;  in layout_arg_even()
1552 static void layout_arg_1(TCGCumulativeArgs *cum, TCGHelperInfo *info,  in layout_arg_1()  argument
1555     TCGCallArgumentLoc *loc = &info->in[cum->info_in_idx];  in layout_arg_1()
1559         .arg_idx = cum->arg_idx,  in layout_arg_1()
1560         .arg_slot = cum->arg_slot,  in layout_arg_1()
1562     cum->info_in_idx++;  in layout_arg_1()
1563     cum->arg_slot++;  in layout_arg_1()
1566 static void layout_arg_normal_n(TCGCumulativeArgs *cum,  in layout_arg_normal_n()  argument
1569     TCGCallArgumentLoc *loc = &info->in[cum->info_in_idx];  in layout_arg_normal_n()
1575             .arg_idx = cum->arg_idx,  in layout_arg_normal_n()
1577             .arg_slot = cum->arg_slot + i,  in layout_arg_normal_n()
1580     cum->info_in_idx += n;  in layout_arg_normal_n()
1581     cum->arg_slot += n;  in layout_arg_normal_n()
1584 static void layout_arg_by_ref(TCGCumulativeArgs *cum, TCGHelperInfo *info)  in layout_arg_by_ref()  argument
1586     TCGCallArgumentLoc *loc = &info->in[cum->info_in_idx];  in layout_arg_by_ref()
1590     layout_arg_1(cum, info, TCG_CALL_ARG_BY_REF);  in layout_arg_by_ref()
1598     loc[0].ref_slot = cum->ref_slot;  in layout_arg_by_ref()
1607             .arg_idx = cum->arg_idx,  in layout_arg_by_ref()
1609             .ref_slot = cum->ref_slot + i,  in layout_arg_by_ref()
1612     cum->info_in_idx += n - 1;  /* i=0 accounted for in layout_arg_1 */  in layout_arg_by_ref()
1613     cum->ref_slot += n;  in layout_arg_by_ref()
1622     TCGCumulativeArgs cum = { };  in init_call_layout()  local
1663             cum.arg_slot = 1;  in init_call_layout()
1676     for (typemask >>= 3; typemask; typemask >>= 3, cum.arg_idx++) {  in init_call_layout()
1704                 layout_arg_even(&cum);  in init_call_layout()
1707                 layout_arg_1(&cum, info, TCG_CALL_ARG_NORMAL);  in init_call_layout()
1711                 layout_arg_1(&cum, info, kind);  in init_call_layout()
1721                 layout_arg_even(&cum);  in init_call_layout()
1725                     layout_arg_normal_n(&cum, info, 2);  in init_call_layout()
1727                     layout_arg_1(&cum, info, TCG_CALL_ARG_NORMAL);  in init_call_layout()
1738                 layout_arg_even(&cum);  in init_call_layout()
1741                 layout_arg_normal_n(&cum, info, 128 / TCG_TARGET_REG_BITS);  in init_call_layout()
1744                 layout_arg_by_ref(&cum, info);  in init_call_layout()
1755     info->nr_in = cum.info_in_idx;  in init_call_layout()
1758     assert(cum.info_in_idx <= ARRAY_SIZE(info->in));  in init_call_layout()
1760     assert(cum.arg_slot <= max_reg_slots + max_stk_slots);  in init_call_layout()
1767     if (cum.ref_slot != 0) {  in init_call_layout()
1770         if (cum.arg_slot > max_reg_slots) {  in init_call_layout()
1773             ref_base = cum.arg_slot - max_reg_slots;  in init_call_layout()
1778         assert(ref_base + cum.ref_slot <= max_stk_slots);  in init_call_layout()
1782             for (int i = cum.info_in_idx - 1; i >= 0; --i) {  in init_call_layout()