src/test/ui/feature-gates/feature-gate-cfg-target-has-atomic.rs

   1 #![feature(intrinsics, lang_items, no_core, rustc_attrs)]
   2
   3 #![crate_type="rlib"]
   4 #![no_core]
   5
   6 extern "rust-intrinsic" {
   7     fn atomic_xadd<T>(dst: *mut T, src: T) -> T;
   8 }
   9
  10 #[lang = "sized"]
  11 trait Sized {}
  12 #[lang = "copy"]
  13 trait Copy {}
  14
  15 #[cfg(target_has_atomic = "8")]
  16 //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change
  17 pub unsafe fn atomic_u8(x: *mut u8) {
  18     atomic_xadd(x, 1);
  19     atomic_xadd(x, 1);
  20 }
  21 #[cfg(target_has_atomic = "8")]
  22 //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change
  23 pub unsafe fn atomic_i8(x: *mut i8) {
  24     atomic_xadd(x, 1);
  25 }
  26 #[cfg(target_has_atomic = "16")]
  27 //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change
  28 pub unsafe fn atomic_u16(x: *mut u16) {
  29     atomic_xadd(x, 1);
  30 }
  31 #[cfg(target_has_atomic = "16")]
  32 //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change
  33 pub unsafe fn atomic_i16(x: *mut i16) {
  34     atomic_xadd(x, 1);
  35 }
  36 #[cfg(target_has_atomic = "32")]
  37 //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change
  38 pub unsafe fn atomic_u32(x: *mut u32) {
  39     atomic_xadd(x, 1);
  40 }
  41 #[cfg(target_has_atomic = "32")]
  42 //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change
  43 pub unsafe fn atomic_i32(x: *mut i32) {
  44     atomic_xadd(x, 1);
  45 }
  46 #[cfg(target_has_atomic = "64")]
  47 //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change
  48 pub unsafe fn atomic_u64(x: *mut u64) {
  49     atomic_xadd(x, 1);
  50 }
  51 #[cfg(target_has_atomic = "64")]
  52 //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change
  53 pub unsafe fn atomic_i64(x: *mut i64) {
  54     atomic_xadd(x, 1);
  55 }
  56 #[cfg(target_has_atomic = "128")]
  57 //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change
  58 pub unsafe fn atomic_u128(x: *mut u128) {
  59     atomic_xadd(x, 1);
  60 }
  61 #[cfg(target_has_atomic = "128")]
  62 //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change
  63 pub unsafe fn atomic_i128(x: *mut i128) {
  64     atomic_xadd(x, 1);
  65 }
  66 #[cfg(target_has_atomic = "ptr")]
  67 //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change
  68 pub unsafe fn atomic_usize(x: *mut usize) {
  69     atomic_xadd(x, 1);
  70 }
  71 #[cfg(target_has_atomic = "ptr")]
  72 //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change
  73 pub unsafe fn atomic_isize(x: *mut isize) {
  74     atomic_xadd(x, 1);
  75 }
  76
  77 fn main() {
  78     cfg!(target_has_atomic = "8");
  79     //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change
  80     cfg!(target_has_atomic = "16");
  81     //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change
  82     cfg!(target_has_atomic = "32");
  83     //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change
  84     cfg!(target_has_atomic = "64");
  85     //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change
  86     cfg!(target_has_atomic = "128");
  87     //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change
  88     cfg!(target_has_atomic = "ptr");
  89     //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change
  90     cfg!(target_has_atomic_load_store = "8");
  91     //~^ ERROR `cfg(target_has_atomic_load_store)` is experimental and subject to change
  92     cfg!(target_has_atomic_load_store = "16");
  93     //~^ ERROR `cfg(target_has_atomic_load_store)` is experimental and subject to change
  94     cfg!(target_has_atomic_load_store = "32");
  95     //~^ ERROR `cfg(target_has_atomic_load_store)` is experimental and subject to change
  96     cfg!(target_has_atomic_load_store = "64");
  97     //~^ ERROR `cfg(target_has_atomic_load_store)` is experimental and subject to change
  98     cfg!(target_has_atomic_load_store = "128");
  99     //~^ ERROR `cfg(target_has_atomic_load_store)` is experimental and subject to change
 100     cfg!(target_has_atomic_load_store = "ptr");
 101     //~^ ERROR `cfg(target_has_atomic_load_store)` is experimental and subject to change
 102     cfg!(target_has_atomic_equal_alignment = "8");
 103     //~^ ERROR `cfg(target_has_atomic_equal_alignment)` is experimental and subject to change
 104     cfg!(target_has_atomic_equal_alignment = "16");
 105     //~^ ERROR `cfg(target_has_atomic_equal_alignment)` is experimental and subject to change
 106     cfg!(target_has_atomic_equal_alignment = "32");
 107     //~^ ERROR `cfg(target_has_atomic_equal_alignment)` is experimental and subject to change
 108     cfg!(target_has_atomic_equal_alignment = "64");
 109     //~^ ERROR `cfg(target_has_atomic_equal_alignment)` is experimental and subject to change
 110     cfg!(target_has_atomic_equal_alignment = "128");
 111     //~^ ERROR `cfg(target_has_atomic_equal_alignment)` is experimental and subject to change
 112     cfg!(target_has_atomic_equal_alignment = "ptr");
 113     //~^ ERROR `cfg(target_has_atomic_equal_alignment)` is experimental and subject to change
 114 }
 115
 116 #[macro_export]
 117 #[rustc_builtin_macro]
 118 macro_rules! cfg { () => () }