mirror of https://github.com/rust-lang/rust
67 lines
1.6 KiB
Rust
67 lines
1.6 KiB
Rust
#![feature(no_core, intrinsics, lang_items)]
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#![crate_type = "rlib"]
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#![no_core]
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extern "rust-intrinsic" {
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fn atomic_xadd_seqcst<T>(dst: *mut T, src: T) -> T;
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}
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#[lang = "sized"]
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trait Sized {}
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#[lang = "copy"]
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trait Copy {}
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#[lang = "freeze"]
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trait Freeze {}
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impl<T: ?Sized> Copy for *mut T {}
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#[cfg(target_has_atomic = "8")]
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pub unsafe fn atomic_u8(x: *mut u8) {
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atomic_xadd_seqcst(x, 1);
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atomic_xadd_seqcst(x, 1);
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}
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#[cfg(target_has_atomic = "8")]
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pub unsafe fn atomic_i8(x: *mut i8) {
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atomic_xadd_seqcst(x, 1);
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}
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#[cfg(target_has_atomic = "16")]
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pub unsafe fn atomic_u16(x: *mut u16) {
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atomic_xadd_seqcst(x, 1);
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}
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#[cfg(target_has_atomic = "16")]
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pub unsafe fn atomic_i16(x: *mut i16) {
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atomic_xadd_seqcst(x, 1);
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}
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#[cfg(target_has_atomic = "32")]
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pub unsafe fn atomic_u32(x: *mut u32) {
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atomic_xadd_seqcst(x, 1);
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}
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#[cfg(target_has_atomic = "32")]
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pub unsafe fn atomic_i32(x: *mut i32) {
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atomic_xadd_seqcst(x, 1);
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}
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#[cfg(target_has_atomic = "64")]
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pub unsafe fn atomic_u64(x: *mut u64) {
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atomic_xadd_seqcst(x, 1);
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}
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#[cfg(target_has_atomic = "64")]
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pub unsafe fn atomic_i64(x: *mut i64) {
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atomic_xadd_seqcst(x, 1);
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}
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#[cfg(target_has_atomic = "128")]
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pub unsafe fn atomic_u128(x: *mut u128) {
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atomic_xadd_seqcst(x, 1);
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}
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#[cfg(target_has_atomic = "128")]
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pub unsafe fn atomic_i128(x: *mut i128) {
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atomic_xadd_seqcst(x, 1);
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}
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#[cfg(target_has_atomic = "ptr")]
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pub unsafe fn atomic_usize(x: *mut usize) {
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atomic_xadd_seqcst(x, 1);
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}
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#[cfg(target_has_atomic = "ptr")]
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pub unsafe fn atomic_isize(x: *mut isize) {
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atomic_xadd_seqcst(x, 1);
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}
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