507   saidx_t len, half;  in ss_inplacemerge()  local
514     for(a = first, len = middle - first, half = len >> 1, r = -1;  in ss_inplacemerge()
516         len = half, half >>= 1) {  in ss_inplacemerge()
517       b = a + half;  in ss_inplacemerge()
521         half -= (len & 1) ^ 1;  in ss_inplacemerge()
671   saidx_t m, len, half;  in ss_swapmerge()  local
694     for(m = 0, len = MIN(middle - first, last - middle), half = len >> 1;  in ss_swapmerge()
696         len = half, half >>= 1) {  in ss_swapmerge()
697       if(ss_compare(T, PA + GETIDX(*(middle + m + half)),  in ss_swapmerge()
698                        PA + GETIDX(*(middle - m - half - 1)), depth) < 0) {  in ss_swapmerge()
699         m += half + 1;  in ss_swapmerge()
700         half -= (len & 1) ^ 1;  in ss_swapmerge()