building i386 world on amd64 host: failed @svn

Konstantin Belousov kostikbel at gmail.com
Thu Aug 15 18:36:46 UTC 2013


On Thu, Aug 15, 2013 at 08:13:34PM +0200, Dimitry Andric wrote:
> Alternatively, we could attempt to figure out why gcc doesn't want to
> inline those 64 bit builtins on FreeBSD.  It seems to have no problem
> doing so on the first Linux box I tried...

Does the linux box defaults to pentium or higher for -march ?
64 bit atomics cannot be implemented in usermode on i386 on
processors which do not have cmpxchg8b instruction.
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