REG_CCR
dst[R_CCR] = gregs[REG_CCR];
sc.sc_psr = ucp->uc_mcontext.gregs[REG_CCR];
ucp->uc_mcontext.gregs[REG_CCR] = sc.sc_psr;
ucp->uc_mcontext.gregs[REG_CCR] = scp->sc_psr;
prp[R_CCR] = gr[REG_CCR];
gr[REG_CCR] = prp[R_CCR];
dest->uc_mcontext.gregs[REG_CCR] =
tbits = (((grp[REG_CCR] & TSTATE_CCR_MASK) << TSTATE_CCR_SHIFT) |
grp[REG_CCR] = (rp->r_tstate >> TSTATE_CCR_SHIFT) & TSTATE_CCR_MASK;