src/test/ui/llvm-asm/llvm-asm-out-no-modifier.rs

   1 // ignore-s390x
   2 // ignore-emscripten
   3 // ignore-powerpc
   4 // ignore-powerpc64
   5 // ignore-powerpc64le
   6 // ignore-riscv64
   7 // ignore-sparc
   8 // ignore-sparc64
   9 // ignore-mips
  10 // ignore-mips64
  11
  12 #![feature(llvm_asm)]
  13
  14 fn foo(x: isize) { println!("{}", x); }
  15
  16 #[cfg(any(target_arch = "x86",
  17           target_arch = "x86_64",
  18           target_arch = "arm",
  19           target_arch = "aarch64"))]
  20 pub fn main() {
  21     let x: isize;
  22     unsafe {
  23         llvm_asm!("mov $1, $0" : "r"(x) : "r"(5)); //~ ERROR output operand constraint lacks '='
  24     }
  25     foo(x);
  26 }
  27
  28 #[cfg(not(any(target_arch = "x86",
  29               target_arch = "x86_64",
  30               target_arch = "arm",
  31               target_arch = "aarch64")))]
  32 pub fn main() {}