sgnmask          9215 src/dps8/dps8_eis.c     word72 sgnmask = lshift_128 (construct_128 (0, 1), (uint) (N * 9 - 1));
sgnmask          9216 src/dps8/dps8_eis.c     return isnonzero_128 (and_128 (sgnmask, n128));
sgnmask          9218 src/dps8/dps8_eis.c     word72 sgnmask = (word72)1 << ((N * 9) - 1);
sgnmask          9220 src/dps8/dps8_eis.c     return (bool)(sgnmask & n128);