http://bugs.winehq.org/show_bug.cgi?id=17713
--- Comment #7 from Milosz Galazka milosz@sleeplessbeastie.eu 2009-03-22 17:03:26 --- patch for hw_instruction_sse definition for i386 http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/i386/i386/initcpu.c?rev=1.56.2...
Patch that was added in post #5 just uncomments using that sysctl.