src/test/pretty/asm.pp

   1 #![feature(prelude_import)]
   2 #![no_std]
   3 #![feature(asm)]
   4 #[prelude_import]
   5 use ::std::prelude::rust_2015::*;
   6 #[macro_use]
   7 extern crate std;
   8
   9 // pretty-mode:expanded
  10 // pp-exact:asm.pp
  11 // only-x86_64
  12
  13 pub fn main() {
  14     let a: i32;
  15     let mut b = 4i32;
  16     unsafe {
  17         asm!("");
  18         asm!("");
  19         asm!("", options(nomem, nostack));
  20         asm!("{0}", in(reg) 4);
  21         asm!("{0}", out(reg) a);
  22         asm!("{0}", inout(reg) b);
  23         asm!("{0} {1}", out(reg) _, inlateout(reg) b => _);
  24         asm!("", out("al") _, lateout("rcx") _);
  25         asm!("inst1\ninst2");
  26         asm!("inst1 {0}, 42\ninst2 {1}, 24", in(reg) a, out(reg) b);
  27         asm!("inst2 {1}, 24\ninst1 {0}, 42", in(reg) a, out(reg) b);
  28         asm!("inst1 {0}, 42\ninst2 {1}, 24", in(reg) a, out(reg) b);
  29         asm!("inst1\ninst2");
  30         asm!("inst1\ninst2");
  31         asm!("inst1\n\tinst2");
  32         asm!("inst1\ninst2\ninst3\ninst4");
  33     }
  34 }