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-rw-r--r--compiler/rustc_codegen_cranelift/patches/0027-stdlib-128bit-atomic-operations.patch90
1 files changed, 90 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_cranelift/patches/0027-stdlib-128bit-atomic-operations.patch b/compiler/rustc_codegen_cranelift/patches/0027-stdlib-128bit-atomic-operations.patch
new file mode 100644
index 000000000..45f73f36b
--- /dev/null
+++ b/compiler/rustc_codegen_cranelift/patches/0027-stdlib-128bit-atomic-operations.patch
@@ -0,0 +1,90 @@
+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/library/core/src/panic/unwind_safe.rs b/library/core/src/panic/unwind_safe.rs
+index 092b7cf..158cf71 100644
+--- a/library/core/src/panic/unwind_safe.rs
++++ b/library/core/src/panic/unwind_safe.rs
+@@ -216,9 +216,6 @@ impl RefUnwindSafe for crate::sync::atomic::AtomicI32 {}
+ #[cfg(target_has_atomic_load_store = "64")]
+ #[stable(feature = "integer_atomics_stable", since = "1.34.0")]
+ impl RefUnwindSafe for crate::sync::atomic::AtomicI64 {}
+-#[cfg(target_has_atomic_load_store = "128")]
+-#[unstable(feature = "integer_atomics", issue = "99069")]
+-impl RefUnwindSafe for crate::sync::atomic::AtomicI128 {}
+
+ #[cfg(target_has_atomic_load_store = "ptr")]
+ #[stable(feature = "unwind_safe_atomic_refs", since = "1.14.0")]
+@@ -235,9 +232,6 @@ impl RefUnwindSafe for crate::sync::atomic::AtomicU32 {}
+ #[cfg(target_has_atomic_load_store = "64")]
+ #[stable(feature = "integer_atomics_stable", since = "1.34.0")]
+ impl RefUnwindSafe for crate::sync::atomic::AtomicU64 {}
+-#[cfg(target_has_atomic_load_store = "128")]
+-#[unstable(feature = "integer_atomics", issue = "99069")]
+-impl RefUnwindSafe for crate::sync::atomic::AtomicU128 {}
+
+ #[cfg(target_has_atomic_load_store = "8")]
+ #[stable(feature = "unwind_safe_atomic_refs", since = "1.14.0")]
+diff --git a/library/core/src/sync/atomic.rs b/library/core/src/sync/atomic.rs
+index d9de37e..8293fce 100644
+--- a/library/core/src/sync/atomic.rs
++++ b/library/core/src/sync/atomic.rs
+@@ -2234,46 +2234,6 @@ atomic_int! {
+ "AtomicU64::new(0)",
+ u64 AtomicU64 ATOMIC_U64_INIT
+ }
+-#[cfg(target_has_atomic_load_store = "128")]
+-atomic_int! {
+- cfg(target_has_atomic = "128"),
+- cfg(target_has_atomic_equal_alignment = "128"),
+- unstable(feature = "integer_atomics", issue = "99069"),
+- unstable(feature = "integer_atomics", issue = "99069"),
+- unstable(feature = "integer_atomics", issue = "99069"),
+- unstable(feature = "integer_atomics", issue = "99069"),
+- unstable(feature = "integer_atomics", issue = "99069"),
+- unstable(feature = "integer_atomics", issue = "99069"),
+- rustc_const_stable(feature = "const_integer_atomics", since = "1.34.0"),
+- unstable(feature = "integer_atomics", issue = "99069"),
+- cfg_attr(not(test), rustc_diagnostic_item = "AtomicI128"),
+- "i128",
+- "#![feature(integer_atomics)]\n\n",
+- atomic_min, atomic_max,
+- 16,
+- "AtomicI128::new(0)",
+- i128 AtomicI128 ATOMIC_I128_INIT
+-}
+-#[cfg(target_has_atomic_load_store = "128")]
+-atomic_int! {
+- cfg(target_has_atomic = "128"),
+- cfg(target_has_atomic_equal_alignment = "128"),
+- unstable(feature = "integer_atomics", issue = "99069"),
+- unstable(feature = "integer_atomics", issue = "99069"),
+- unstable(feature = "integer_atomics", issue = "99069"),
+- unstable(feature = "integer_atomics", issue = "99069"),
+- unstable(feature = "integer_atomics", issue = "99069"),
+- unstable(feature = "integer_atomics", issue = "99069"),
+- rustc_const_stable(feature = "const_integer_atomics", since = "1.34.0"),
+- unstable(feature = "integer_atomics", issue = "99069"),
+- cfg_attr(not(test), rustc_diagnostic_item = "AtomicU128"),
+- "u128",
+- "#![feature(integer_atomics)]\n\n",
+- atomic_umin, atomic_umax,
+- 16,
+- "AtomicU128::new(0)",
+- u128 AtomicU128 ATOMIC_U128_INIT
+-}
+
+ macro_rules! atomic_int_ptr_sized {
+ ( $($target_pointer_width:literal $align:literal)* ) => { $(
+--
+2.26.2.7.g19db9cfb68
+