MDP_FP_C
fp_c &= MDP_FP_C;
if ((md_flags & MDP_FP_C) == fp_c)
p->p_md.md_flags = (md_flags & ~MDP_FP_C) | fp_c;
return p->p_md.md_flags & MDP_FP_C;
p->p_md.md_flags = ksc.sc_fp_control & MDP_FP_C;
p->p_md.md_flags &= ~MDP_FP_C;
p2->p_md.md_flags = p1->p_md.md_flags & (MDP_FPUSED | MDP_FP_C);