fpu_cleanup
int fpu_cleanup(struct lwp *, struct fpstate *);
int fpu_cleanup(struct lwp *, struct fpstate64 *);
if ((code = fpu_cleanup(l, fs)) != 0) {
if ((code = fpu_cleanup(l, l->l_md.md_fpstate)) != 0) {
fpu_cleanup(l, fs);
code = fpu_cleanup(l, l->l_md.md_fpstate);
code = fpu_cleanup(l, l->l_md.md_fpstate);