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Add 128-bit atomics

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This commit is contained in:
Amanieu d'Antras 2017-01-10 13:20:38 +01:00
parent 74e5b7d96a
commit 9903975003
2 changed files with 27 additions and 1 deletions
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18
src/libcore/sync/atomic.rs
View File

@ -1314,6 +1314,24 @@ atomic_int! {
unstable(feature = "integer_atomics", issue = "32976"),
u64 AtomicU64 ATOMIC_U64_INIT
}
#[cfg(not(stage0))]
#[cfg(target_has_atomic = "128")]
atomic_int! {
unstable(feature = "i128", issue = "35118"),
unstable(feature = "i128", issue = "35118"),
unstable(feature = "i128", issue = "35118"),
unstable(feature = "i128", issue = "35118"),
i128 AtomicI128 ATOMIC_I128_INIT
}
#[cfg(not(stage0))]
#[cfg(target_has_atomic = "128")]
atomic_int! {
unstable(feature = "i128", issue = "35118"),
unstable(feature = "i128", issue = "35118"),
unstable(feature = "i128", issue = "35118"),
unstable(feature = "i128", issue = "35118"),
u128 AtomicU128 ATOMIC_U128_INIT
}
#[cfg(target_has_atomic = "ptr")]
atomic_int!{
stable(feature = "rust1", since = "1.0.0"),

10
src/test/run-make/atomic-lock-free/atomic_lock_free.rs
View File

@ -8,7 +8,7 @@
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#![feature(cfg_target_has_atomic, no_core, intrinsics, lang_items)]
#![feature(cfg_target_has_atomic, no_core, intrinsics, lang_items, i128_type)]
#![crate_type="rlib"]
#![no_core]
@ -54,6 +54,14 @@ pub unsafe fn atomic_u64(x: *mut u64) {
pub unsafe fn atomic_i64(x: *mut i64) {
atomic_xadd(x, 1);
}
#[cfg(target_has_atomic = "128")]
pub unsafe fn atomic_u128(x: *mut u128) {
atomic_xadd(x, 1);
}
#[cfg(target_has_atomic = "128")]
pub unsafe fn atomic_i128(x: *mut i128) {
atomic_xadd(x, 1);
}
#[cfg(target_has_atomic = "ptr")]
pub unsafe fn atomic_usize(x: *mut usize) {
atomic_xadd(x, 1);