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-rw-r--r--tests/run-make/atomic-lock-free/atomic_lock_free.rs66
1 files changed, 66 insertions, 0 deletions
diff --git a/tests/run-make/atomic-lock-free/atomic_lock_free.rs b/tests/run-make/atomic-lock-free/atomic_lock_free.rs
new file mode 100644
index 000000000..47d90b185
--- /dev/null
+++ b/tests/run-make/atomic-lock-free/atomic_lock_free.rs
@@ -0,0 +1,66 @@
+#![feature(no_core, intrinsics, lang_items)]
+#![crate_type="rlib"]
+#![no_core]
+
+extern "rust-intrinsic" {
+ fn atomic_xadd_seqcst<T>(dst: *mut T, src: T) -> T;
+}
+
+#[lang = "sized"]
+trait Sized {}
+#[lang = "copy"]
+trait Copy {}
+#[lang = "freeze"]
+trait Freeze {}
+
+impl<T: ?Sized> Copy for *mut T {}
+
+#[cfg(target_has_atomic = "8")]
+pub unsafe fn atomic_u8(x: *mut u8) {
+ atomic_xadd_seqcst(x, 1);
+ atomic_xadd_seqcst(x, 1);
+}
+#[cfg(target_has_atomic = "8")]
+pub unsafe fn atomic_i8(x: *mut i8) {
+ atomic_xadd_seqcst(x, 1);
+}
+#[cfg(target_has_atomic = "16")]
+pub unsafe fn atomic_u16(x: *mut u16) {
+ atomic_xadd_seqcst(x, 1);
+}
+#[cfg(target_has_atomic = "16")]
+pub unsafe fn atomic_i16(x: *mut i16) {
+ atomic_xadd_seqcst(x, 1);
+}
+#[cfg(target_has_atomic = "32")]
+pub unsafe fn atomic_u32(x: *mut u32) {
+ atomic_xadd_seqcst(x, 1);
+}
+#[cfg(target_has_atomic = "32")]
+pub unsafe fn atomic_i32(x: *mut i32) {
+ atomic_xadd_seqcst(x, 1);
+}
+#[cfg(target_has_atomic = "64")]
+pub unsafe fn atomic_u64(x: *mut u64) {
+ atomic_xadd_seqcst(x, 1);
+}
+#[cfg(target_has_atomic = "64")]
+pub unsafe fn atomic_i64(x: *mut i64) {
+ atomic_xadd_seqcst(x, 1);
+}
+#[cfg(target_has_atomic = "128")]
+pub unsafe fn atomic_u128(x: *mut u128) {
+ atomic_xadd_seqcst(x, 1);
+}
+#[cfg(target_has_atomic = "128")]
+pub unsafe fn atomic_i128(x: *mut i128) {
+ atomic_xadd_seqcst(x, 1);
+}
+#[cfg(target_has_atomic = "ptr")]
+pub unsafe fn atomic_usize(x: *mut usize) {
+ atomic_xadd_seqcst(x, 1);
+}
+#[cfg(target_has_atomic = "ptr")]
+pub unsafe fn atomic_isize(x: *mut isize) {
+ atomic_xadd_seqcst(x, 1);
+}