On Fri, Jan 05, 2007 at 05:05:41PM +0000, Andrew Haley wrote: > But it can't unless you use an architecture that has cmpxchgl. > cmpxchgl is a 486 instruction; if you compile for 386, we have to > generate the call because there is no such instruction.
And the older compiler was a Debian packaged one; Debian's compilers default to generating code for a 486 or later. -- Daniel Jacobowitz CodeSourcery