Oops, I forgot to mention the compiler options: gcc -c -o u1.o -fPIC -O3 -mpentiumpro -momit-leaf-frame-pointer u.i produces the bug for me. -- Uli ---------------. drepper at gnu.org ,-. 1325 Chesapeake Terrace Ulrich Drepper \ ,-------------------' \ Sunnyvale, CA 94089 USA Cygnus Solutions `--' drepper at cygnus.com `------------------------