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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
commit | a4b7ed7a42c716ab9f05e351f003d589124fd55d (patch) | |
tree | b620cd3f223850b28716e474e80c58059dca5dd4 /tests/codegen/atomic-operations.rs | |
parent | Adding upstream version 1.67.1+dfsg1. (diff) | |
download | rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.tar.xz rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.zip |
Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/codegen/atomic-operations.rs')
-rw-r--r-- | tests/codegen/atomic-operations.rs | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/tests/codegen/atomic-operations.rs b/tests/codegen/atomic-operations.rs new file mode 100644 index 000000000..d2bc618df --- /dev/null +++ b/tests/codegen/atomic-operations.rs @@ -0,0 +1,83 @@ +// Code generation of atomic operations. +// compile-flags: -O +#![crate_type = "lib"] + +use std::sync::atomic::{AtomicI32, Ordering::*}; + +// CHECK-LABEL: @compare_exchange +#[no_mangle] +pub fn compare_exchange(a: &AtomicI32) { + // CHECK: cmpxchg {{i32\*|ptr}} %{{.*}}, i32 0, i32 10 monotonic monotonic + // CHECK: cmpxchg {{i32\*|ptr}} %{{.*}}, i32 0, i32 11 monotonic acquire + // CHECK: cmpxchg {{i32\*|ptr}} %{{.*}}, i32 0, i32 12 monotonic seq_cst + let _ = a.compare_exchange(0, 10, Relaxed, Relaxed); + let _ = a.compare_exchange(0, 11, Relaxed, Acquire); + let _ = a.compare_exchange(0, 12, Relaxed, SeqCst); + + // CHECK: cmpxchg {{i32\*|ptr}} %{{.*}}, i32 0, i32 20 release monotonic + // CHECK: cmpxchg {{i32\*|ptr}} %{{.*}}, i32 0, i32 21 release acquire + // CHECK: cmpxchg {{i32\*|ptr}} %{{.*}}, i32 0, i32 22 release seq_cst + let _ = a.compare_exchange(0, 20, Release, Relaxed); + let _ = a.compare_exchange(0, 21, Release, Acquire); + let _ = a.compare_exchange(0, 22, Release, SeqCst); + + // CHECK: cmpxchg {{i32\*|ptr}} %{{.*}}, i32 0, i32 30 acquire monotonic + // CHECK: cmpxchg {{i32\*|ptr}} %{{.*}}, i32 0, i32 31 acquire acquire + // CHECK: cmpxchg {{i32\*|ptr}} %{{.*}}, i32 0, i32 32 acquire seq_cst + let _ = a.compare_exchange(0, 30, Acquire, Relaxed); + let _ = a.compare_exchange(0, 31, Acquire, Acquire); + let _ = a.compare_exchange(0, 32, Acquire, SeqCst); + + // CHECK: cmpxchg {{i32\*|ptr}} %{{.*}}, i32 0, i32 40 acq_rel monotonic + // CHECK: cmpxchg {{i32\*|ptr}} %{{.*}}, i32 0, i32 41 acq_rel acquire + // CHECK: cmpxchg {{i32\*|ptr}} %{{.*}}, i32 0, i32 42 acq_rel seq_cst + let _ = a.compare_exchange(0, 40, AcqRel, Relaxed); + let _ = a.compare_exchange(0, 41, AcqRel, Acquire); + let _ = a.compare_exchange(0, 42, AcqRel, SeqCst); + + // CHECK: cmpxchg {{i32\*|ptr}} %{{.*}}, i32 0, i32 50 seq_cst monotonic + // CHECK: cmpxchg {{i32\*|ptr}} %{{.*}}, i32 0, i32 51 seq_cst acquire + // CHECK: cmpxchg {{i32\*|ptr}} %{{.*}}, i32 0, i32 52 seq_cst seq_cst + let _ = a.compare_exchange(0, 50, SeqCst, Relaxed); + let _ = a.compare_exchange(0, 51, SeqCst, Acquire); + let _ = a.compare_exchange(0, 52, SeqCst, SeqCst); +} + +// CHECK-LABEL: @compare_exchange_weak +#[no_mangle] +pub fn compare_exchange_weak(w: &AtomicI32) { + // CHECK: cmpxchg weak {{i32\*|ptr}} %{{.*}}, i32 1, i32 10 monotonic monotonic + // CHECK: cmpxchg weak {{i32\*|ptr}} %{{.*}}, i32 1, i32 11 monotonic acquire + // CHECK: cmpxchg weak {{i32\*|ptr}} %{{.*}}, i32 1, i32 12 monotonic seq_cst + let _ = w.compare_exchange_weak(1, 10, Relaxed, Relaxed); + let _ = w.compare_exchange_weak(1, 11, Relaxed, Acquire); + let _ = w.compare_exchange_weak(1, 12, Relaxed, SeqCst); + + // CHECK: cmpxchg weak {{i32\*|ptr}} %{{.*}}, i32 1, i32 20 release monotonic + // CHECK: cmpxchg weak {{i32\*|ptr}} %{{.*}}, i32 1, i32 21 release acquire + // CHECK: cmpxchg weak {{i32\*|ptr}} %{{.*}}, i32 1, i32 22 release seq_cst + let _ = w.compare_exchange_weak(1, 20, Release, Relaxed); + let _ = w.compare_exchange_weak(1, 21, Release, Acquire); + let _ = w.compare_exchange_weak(1, 22, Release, SeqCst); + + // CHECK: cmpxchg weak {{i32\*|ptr}} %{{.*}}, i32 1, i32 30 acquire monotonic + // CHECK: cmpxchg weak {{i32\*|ptr}} %{{.*}}, i32 1, i32 31 acquire acquire + // CHECK: cmpxchg weak {{i32\*|ptr}} %{{.*}}, i32 1, i32 32 acquire seq_cst + let _ = w.compare_exchange_weak(1, 30, Acquire, Relaxed); + let _ = w.compare_exchange_weak(1, 31, Acquire, Acquire); + let _ = w.compare_exchange_weak(1, 32, Acquire, SeqCst); + + // CHECK: cmpxchg weak {{i32\*|ptr}} %{{.*}}, i32 1, i32 40 acq_rel monotonic + // CHECK: cmpxchg weak {{i32\*|ptr}} %{{.*}}, i32 1, i32 41 acq_rel acquire + // CHECK: cmpxchg weak {{i32\*|ptr}} %{{.*}}, i32 1, i32 42 acq_rel seq_cst + let _ = w.compare_exchange_weak(1, 40, AcqRel, Relaxed); + let _ = w.compare_exchange_weak(1, 41, AcqRel, Acquire); + let _ = w.compare_exchange_weak(1, 42, AcqRel, SeqCst); + + // CHECK: cmpxchg weak {{i32\*|ptr}} %{{.*}}, i32 1, i32 50 seq_cst monotonic + // CHECK: cmpxchg weak {{i32\*|ptr}} %{{.*}}, i32 1, i32 51 seq_cst acquire + // CHECK: cmpxchg weak {{i32\*|ptr}} %{{.*}}, i32 1, i32 52 seq_cst seq_cst + let _ = w.compare_exchange_weak(1, 50, SeqCst, Relaxed); + let _ = w.compare_exchange_weak(1, 51, SeqCst, Acquire); + let _ = w.compare_exchange_weak(1, 52, SeqCst, SeqCst); +} |