From 64ddcb33f431be554449116706eb0d6af2666a11 Mon Sep 17 00:00:00 2001
From: Amanieu d'Antras <amanieu@gmail.com>
Date: Sat, 16 Jan 2016 23:40:11 +0000
Subject: Add intrinsics for compare_exchange and compare_exchange_weak

---
 src/libcore/intrinsics.rs | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'src/libcore')

diff --git a/src/libcore/intrinsics.rs b/src/libcore/intrinsics.rs
index 2e2292d63f4..47f5d68f311 100644
--- a/src/libcore/intrinsics.rs
+++ b/src/libcore/intrinsics.rs
@@ -58,6 +58,33 @@ extern "rust-intrinsic" {
     pub fn atomic_cxchg_rel<T>(dst: *mut T, old: T, src: T) -> T;
     pub fn atomic_cxchg_acqrel<T>(dst: *mut T, old: T, src: T) -> T;
     pub fn atomic_cxchg_relaxed<T>(dst: *mut T, old: T, src: T) -> T;
+    #[cfg(not(stage0))]
+    pub fn atomic_cxchg_failrelaxed<T>(dst: *mut T, old: T, src: T) -> T;
+    #[cfg(not(stage0))]
+    pub fn atomic_cxchg_failacq<T>(dst: *mut T, old: T, src: T) -> T;
+    #[cfg(not(stage0))]
+    pub fn atomic_cxchg_acq_failrelaxed<T>(dst: *mut T, old: T, src: T) -> T;
+    #[cfg(not(stage0))]
+    pub fn atomic_cxchg_acqrel_failrelaxed<T>(dst: *mut T, old: T, src: T) -> T;
+
+    #[cfg(not(stage0))]
+    pub fn atomic_cxchgweak<T>(dst: *mut T, old: T, src: T) -> (T, bool);
+    #[cfg(not(stage0))]
+    pub fn atomic_cxchgweak_acq<T>(dst: *mut T, old: T, src: T) -> (T, bool);
+    #[cfg(not(stage0))]
+    pub fn atomic_cxchgweak_rel<T>(dst: *mut T, old: T, src: T) -> (T, bool);
+    #[cfg(not(stage0))]
+    pub fn atomic_cxchgweak_acqrel<T>(dst: *mut T, old: T, src: T) -> (T, bool);
+    #[cfg(not(stage0))]
+    pub fn atomic_cxchgweak_relaxed<T>(dst: *mut T, old: T, src: T) -> (T, bool);
+    #[cfg(not(stage0))]
+    pub fn atomic_cxchgweak_failrelaxed<T>(dst: *mut T, old: T, src: T) -> (T, bool);
+    #[cfg(not(stage0))]
+    pub fn atomic_cxchgweak_failacq<T>(dst: *mut T, old: T, src: T) -> (T, bool);
+    #[cfg(not(stage0))]
+    pub fn atomic_cxchgweak_acq_failrelaxed<T>(dst: *mut T, old: T, src: T) -> (T, bool);
+    #[cfg(not(stage0))]
+    pub fn atomic_cxchgweak_acqrel_failrelaxed<T>(dst: *mut T, old: T, src: T) -> (T, bool);
 
     pub fn atomic_load<T>(src: *const T) -> T;
     pub fn atomic_load_acq<T>(src: *const T) -> T;
-- 
cgit 1.4.1-3-g733a5