Fix build with rustc 1.47
Replace asm!()
with the identical llvm_asm()!
macro,
https://github.com/rust-lang/rfcs/blob/master/text/2843-llvm-asm.md
Replace asm!()
with the identical llvm_asm()!
macro,
https://github.com/rust-lang/rfcs/blob/master/text/2843-llvm-asm.md