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