[Bug rtl-optimization/46235] inefficient bittest code generation

[tony.poppleton at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46235

--- Comment #3 from Tony Poppleton <tony.poppleton at gmail dot com> 2011-01-28 17:02:50 UTC ---
Actually what I said above isn't correct - had it compiled down to "bt $4, %al"
then it would make sense to do that special case, but as it used "testb" it is
inconclusive.