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

   1 // Copyright 2016 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 #![crate_type="rlib"]
  12 #![no_core]
  13
  14 extern "rust-intrinsic" {
  15     fn atomic_xadd<T>(dst: *mut T, src: T) -> T;
  16 }
  17
  18 #[lang = "sized"]
  19 trait Sized {}
  20 #[lang = "copy"]
  21 trait Copy {}
  22
  23 #[cfg(target_has_atomic = "8")]
  24 //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change (see issue #32976)
  25 pub unsafe fn atomic_u8(x: *mut u8) {
  26     atomic_xadd(x, 1);
  27     atomic_xadd(x, 1);
  28 }
  29 #[cfg(target_has_atomic = "8")]
  30 //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change (see issue #32976)
  31 pub unsafe fn atomic_i8(x: *mut i8) {
  32     atomic_xadd(x, 1);
  33 }
  34 #[cfg(target_has_atomic = "16")]
  35 //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change (see issue #32976)
  36 pub unsafe fn atomic_u16(x: *mut u16) {
  37     atomic_xadd(x, 1);
  38 }
  39 #[cfg(target_has_atomic = "16")]
  40 //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change (see issue #32976)
  41 pub unsafe fn atomic_i16(x: *mut i16) {
  42     atomic_xadd(x, 1);
  43 }
  44 #[cfg(target_has_atomic = "32")]
  45 //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change (see issue #32976)
  46 pub unsafe fn atomic_u32(x: *mut u32) {
  47     atomic_xadd(x, 1);
  48 }
  49 #[cfg(target_has_atomic = "32")]
  50 //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change (see issue #32976)
  51 pub unsafe fn atomic_i32(x: *mut i32) {
  52     atomic_xadd(x, 1);
  53 }
  54 #[cfg(target_has_atomic = "64")]
  55 //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change (see issue #32976)
  56 pub unsafe fn atomic_u64(x: *mut u64) {
  57     atomic_xadd(x, 1);
  58 }
  59 #[cfg(target_has_atomic = "64")]
  60 //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change (see issue #32976)
  61 pub unsafe fn atomic_i64(x: *mut i64) {
  62     atomic_xadd(x, 1);
  63 }
  64 #[cfg(target_has_atomic = "ptr")]
  65 //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change (see issue #32976)
  66 pub unsafe fn atomic_usize(x: *mut usize) {
  67     atomic_xadd(x, 1);
  68 }
  69 #[cfg(target_has_atomic = "ptr")]
  70 //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change (see issue #32976)
  71 pub unsafe fn atomic_isize(x: *mut isize) {
  72     atomic_xadd(x, 1);
  73 }
  74
  75 fn main() {
  76     cfg!(target_has_atomic = "8");
  77     //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change (see issue #32976)
  78     cfg!(target_has_atomic = "16");
  79     //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change (see issue #32976)
  80     cfg!(target_has_atomic = "32");
  81     //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change (see issue #32976)
  82     cfg!(target_has_atomic = "64");
  83     //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change (see issue #32976)
  84     cfg!(target_has_atomic = "ptr");
  85     //~^ ERROR `cfg(target_has_atomic)` is experimental and subject to change (see issue #32976)
  86 }