On Tue, Sep 22, 2015 at 05:44:59PM +0000, Eric Fiselier via cfe-commits wrote: > EricWF added a comment. > > Does anything actually need this? This interface was never really meant to be > complete, just want was needed. > > > It's a shame that libc++ decided to reinvent the wheel here and not use the > > C11 atomics support > > > GCC doesn't provide "_Atomic" and `<atomic>` isn't always fully available. > This is a minimal subset of atomic functionality needed to support > `std::shared_ptr` and `std::call_once` among other things. All new code > should use std::atomic IMO. It's not meant to reinvent the wheel, It's meant > to be a portable option for when there is no "wheel" already. > > Does armv4 need lib calls for atomic operations on "unsigned long"?
Yes, the hardware doesn't support anything. Joerg _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
