HIFN_D_DST_DALIGN
if (!IS_ALIGNED(dst->offset, HIFN_D_DST_DALIGN) ||
!IS_ALIGNED(dst->length, HIFN_D_DST_DALIGN) ||
copy = slen & ~(HIFN_D_DST_DALIGN - 1);
diff = slen & (HIFN_D_DST_DALIGN - 1);
if (!IS_ALIGNED(dst->offset, HIFN_D_DST_DALIGN) ||
!IS_ALIGNED(dlen, HIFN_D_DST_DALIGN))