| From 6a4e6f5dc8c8a529a822eb9b57f9e57519595439 Mon Sep 17 00:00:00 2001 |
| From: bjorn3 <[email protected]> |
| 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 --- |
| 3 files changed, 48 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 = "32976")] |
| -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 = "32976")] |
| -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 0194c58..25a0038 100644 |
| --- a/library/core/src/sync/atomic.rs |
| +++ b/library/core/src/sync/atomic.rs |
| @@ -2229,44 +2229,6 @@ 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 = "32976"), |
| - unstable(feature = "integer_atomics", issue = "32976"), |
| - unstable(feature = "integer_atomics", issue = "32976"), |
| - unstable(feature = "integer_atomics", issue = "32976"), |
| - unstable(feature = "integer_atomics", issue = "32976"), |
| - unstable(feature = "integer_atomics", issue = "32976"), |
| - rustc_const_stable(feature = "const_integer_atomics", since = "1.34.0"), |
| - unstable(feature = "integer_atomics", issue = "32976"), |
| - "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 = "32976"), |
| - unstable(feature = "integer_atomics", issue = "32976"), |
| - unstable(feature = "integer_atomics", issue = "32976"), |
| - unstable(feature = "integer_atomics", issue = "32976"), |
| - unstable(feature = "integer_atomics", issue = "32976"), |
| - unstable(feature = "integer_atomics", issue = "32976"), |
| - rustc_const_stable(feature = "const_integer_atomics", since = "1.34.0"), |
| - unstable(feature = "integer_atomics", issue = "32976"), |
| - "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)* ) => { $( |
| diff --git a/library/core/tests/atomic.rs b/library/core/tests/atomic.rs |
| index b735957..ea728b6 100644 |
| --- a/library/core/tests/atomic.rs |
| +++ b/library/core/tests/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 |
| |
