rust/compiler/rustc_codegen_cranelift/patches/0027-coretests-128bit-atomic-operations.patch

From ad7ffe71baba46865f2e65266ab025920dfdc20b Mon Sep 17 00:00:00 2001
From: bjorn3 <bjorn3@users.noreply.github.com>
Date: Thu, 18 Feb 2021 18:45:28 +0100
Subject: [PATCH] Disable 128bit atomic operations

Cranelift doesn't support them yet
---
 library/core/src/panic/unwind_safe.rs |  6 -----
 library/core/src/sync/atomic.rs       | 38 ---------------------------
 library/core/tests/atomic.rs          |  4 ---
 4 files changed, 4 insertions(+), 50 deletions(-)

diff --git a/lib.rs b/lib.rs
index 1e336bf..35e6f54 100644
--- a/lib.rs
+++ b/lib.rs
@@ -1,6 +1,5 @@
 #![cfg(test)]
 // tidy-alphabetical-start
 #![cfg_attr(bootstrap, feature(const_mut_refs))]
-#![cfg_attr(target_has_atomic = "128", feature(integer_atomics))]
 #![cfg_attr(test, feature(cfg_match))]
 #![feature(alloc_layout_extra)]
diff --git a/atomic.rs b/atomic.rs
index b735957..ea728b6 100644
--- a/atomic.rs
+++ b/atomic.rs
@@ -185,10 +185,6 @@ fn atomic_alignment() {
     assert_eq!(align_of::<AtomicU64>(), size_of::<AtomicU64>());
     #[cfg(target_has_atomic = "64")]
     assert_eq!(align_of::<AtomicI64>(), size_of::<AtomicI64>());
-    #[cfg(target_has_atomic = "128")]
-    assert_eq!(align_of::<AtomicU128>(), size_of::<AtomicU128>());
-    #[cfg(target_has_atomic = "128")]
-    assert_eq!(align_of::<AtomicI128>(), size_of::<AtomicI128>());
     #[cfg(target_has_atomic = "ptr")]
     assert_eq!(align_of::<AtomicUsize>(), size_of::<AtomicUsize>());
     #[cfg(target_has_atomic = "ptr")]
--
2.26.2.7.g19db9cfb68