src/test/ui/asm/inline-syntax.rs

   1 // revisions: x86_64 arm
   2 //[x86_64] compile-flags: --target x86_64-unknown-linux-gnu
   3 //[x86_64] check-pass
   4 //[x86_64] needs-llvm-components: x86
   5 //[x86_64_allowed] compile-flags: --target x86_64-unknown-linux-gnu
   6 //[x86_64_allowed] check-pass
   7 //[x86_64_allowed] needs-llvm-components: x86
   8 //[arm] compile-flags: --target armv7-unknown-linux-gnueabihf
   9 //[arm] build-fail
  10 //[arm] needs-llvm-components: arm
  11
  12 #![feature(no_core, lang_items, rustc_attrs)]
  13 #![crate_type = "rlib"]
  14 #![no_core]
  15 #![cfg_attr(x86_64_allowed, allow(bad_asm_style))]
  16
  17 #[rustc_builtin_macro]
  18 macro_rules! asm {
  19     () => {};
  20 }
  21 #[rustc_builtin_macro]
  22 macro_rules! global_asm {
  23     () => {};
  24 }
  25
  26 #[lang = "sized"]
  27 trait Sized {}
  28
  29 pub fn main() {
  30     unsafe {
  31         asm!(".intel_syntax noprefix", "nop");
  32         //[x86_64]~^ WARN avoid using `.intel_syntax`
  33         //[arm]~^^ ERROR unknown directive
  34         asm!(".intel_syntax aaa noprefix", "nop");
  35         //[x86_64]~^ WARN avoid using `.intel_syntax`
  36         //[arm]~^^ ERROR unknown directive
  37         asm!(".att_syntax noprefix", "nop");
  38         //[x86_64]~^ WARN avoid using `.att_syntax`
  39         //[arm]~^^ ERROR unknown directive
  40         asm!(".att_syntax bbb noprefix", "nop");
  41         //[x86_64]~^ WARN avoid using `.att_syntax`
  42         //[arm]~^^ ERROR unknown directive
  43         asm!(".intel_syntax noprefix; nop");
  44         //[x86_64]~^ WARN avoid using `.intel_syntax`
  45         //[arm]~^^ ERROR unknown directive
  46
  47         asm!(
  48             r"
  49             .intel_syntax noprefix
  50             nop"
  51         );
  52         //[x86_64]~^^^ WARN avoid using `.intel_syntax`
  53         //[arm]~^^^^ ERROR unknown directive
  54     }
  55 }
  56
  57 global_asm!(".intel_syntax noprefix", "nop");
  58 //[x86_64]~^ WARN avoid using `.intel_syntax`
  59 // Assembler errors don't have line numbers, so no error on ARM