mozilla/rust — pull request #12852 by itdaniher (2014-03-12 20:59:16+00:00)
Title: enable mutex lowering and hardware floating point on gnueabihf. closes #10482

This enables the lowering of llvm 64b intrinsics to hardware ops, resolving issues around `__kernel_cmpxchg64` on older kernels on ARM devices, and also enables use of the hardware floating point unit, resolving https://github.com/mozilla/rust/issues/10482.