REG_PSR
ucp->uc_mcontext.gregs[REG_PSR] = sc.sc_psr;
sc.sc_psr = ucp->uc_mcontext.gregs[REG_PSR];
ps->pr_lwp.pr_reg[R_PSR] = cp->user.u_reg[REG_PSR];
ps->pr_lwp.pr_reg[R_PSR] = cp->user.u_reg[REG_PSR];
cp->user.u_reg[REG_PSR] = ps->pr_lwp.pr_reg[R_PSR];
dst[R_PSR] = gregs[REG_PSR];
dst[R_PSR] = (uint64_t)(uint32_t)gregs[REG_PSR];
sc.sc_psr = ucp->uc_mcontext.gregs[REG_PSR];
ucp->uc_mcontext.gregs[REG_PSR] = sc.sc_psr;
ucp->uc_mcontext.gregs[REG_PSR] = scp->sc_psr;
prp[R_PSR] = gr[REG_PSR];
#define REG_PS REG_PSR
(src->uc_mcontext.gregs[REG_PSR] & PSR_ICC) >> PSR_ICC_SHIFT;
grp[REG_PSR] = mkpsr(rp->r_tstate, fprs);