#![feature(prelude_import)] #![no_std] #[prelude_import] use ::std::prelude::rust_2015::*; #[macro_use] extern crate std; // pretty-mode:expanded // pp-exact:asm.pp // only-x86_64 use std::arch::asm; pub fn main() { let a: i32; let mut b = 4i32; unsafe { asm!(""); asm!(""); asm!("", options(nomem, nostack)); asm!("{0}", in(reg) 4); asm!("{0}", out(reg) a); asm!("{0}", inout(reg) b); asm!("{0} {1}", out(reg) _, inlateout(reg) b => _); asm!("", out("al") _, lateout("rcx") _); asm!("inst1\ninst2"); asm!("inst1 {0}, 42\ninst2 {1}, 24", in(reg) a, out(reg) b); asm!("inst2 {1}, 24\ninst1 {0}, 42", in(reg) a, out(reg) b); asm!("inst1 {0}, 42\ninst2 {1}, 24", in(reg) a, out(reg) b); asm!("inst1\ninst2"); asm!("inst1\ninst2"); asm!("inst1\n\tinst2"); asm!("inst1\ninst2\ninst3\ninst4"); } }