R_ASI
disp_reg_line(ph, prst, "asi", R_ASI, "FPRS", R_FPRS);
dst[R_ASI] = gregs[REG_ASI];
case R_ASI:
prp[R_ASI] = gr[REG_ASI];
gr[REG_ASI] = prp[R_ASI];
dest[R_ASI] = (r->r_tstate >> TSTATE_ASI_SHIFT) & TSTATE_ASI_MASK;