fp_c_to_fpcr_1
alpha_write_fpcr(fp_c_to_fpcr_1(alpha_read_fpcr(), l->l_md.md_flags));
fp_c_to_fpcr_1(pcb->pcb_fp.fpr_cr, l->l_md.md_flags);
alpha_write_fpcr(fp_c_to_fpcr_1(orig_fpcr, md_flags));
alpha_write_fpcr(fp_c_to_fpcr_1(orig_fpcr, l->l_md.md_flags));