a6dcbd1557
Some callers of fpusetregs()/npxsetregs(), most importantly set_fpcontext(), clear reserved bits. But some did not. Do the clearing in fpusetregs() and remove now redundand operation from set_fpcontext(). Reported by: Maxime Villard <max@m00nbsd.net> Sponsored by: The FreeBSD Foundation MFC after: 1 week