On Tue, Oct 4, 2011 at 5:07 PM, Ulf Magnusson <ulfali...@gmail.com> wrote: > On Mon, Oct 3, 2011 at 10:22 PM, Ian Lance Taylor <i...@google.com> wrote: >> Ulf Magnusson <ulfali...@gmail.com> writes: >> >>> Is there some reason why GCC couldn't generate this code for the first >>> version of C::f()? Is this a failure of optimization, or am I missing >>> something in how __restricted works? >> >> It's a failure of optimization. >> >> Ian >> > > Is this something that has been improved in 4.6.x? (Sorry for the > initial non-reply-all.)
With 4.6 we export points-to info to RTL, so in theory it could, but in reality combine does not work to fuse load, add and store. Richard.