91 lines
3.8 KiB
Diff
91 lines
3.8 KiB
Diff
From ad7ffe71baba46865f2e65266ab025920dfdc20b Mon Sep 17 00:00:00 2001
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From: bjorn3 <bjorn3@users.noreply.github.com>
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Date: Thu, 18 Feb 2021 18:45:28 +0100
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Subject: [PATCH] Disable 128bit atomic operations
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Cranelift doesn't support them yet
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---
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library/core/src/panic/unwind_safe.rs | 6 -----
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library/core/src/sync/atomic.rs | 38 ---------------------------
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library/core/tests/atomic.rs | 4 ---
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4 files changed, 4 insertions(+), 50 deletions(-)
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diff --git a/library/core/src/panic/unwind_safe.rs b/library/core/src/panic/unwind_safe.rs
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index 092b7cf..158cf71 100644
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--- a/library/core/src/panic/unwind_safe.rs
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+++ b/library/core/src/panic/unwind_safe.rs
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@@ -216,9 +216,6 @@ impl RefUnwindSafe for crate::sync::atomic::AtomicI32 {}
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#[cfg(target_has_atomic_load_store = "64")]
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#[stable(feature = "integer_atomics_stable", since = "1.34.0")]
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impl RefUnwindSafe for crate::sync::atomic::AtomicI64 {}
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-#[cfg(target_has_atomic_load_store = "128")]
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-#[unstable(feature = "integer_atomics", issue = "99069")]
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-impl RefUnwindSafe for crate::sync::atomic::AtomicI128 {}
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#[cfg(target_has_atomic_load_store = "ptr")]
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#[stable(feature = "unwind_safe_atomic_refs", since = "1.14.0")]
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@@ -235,9 +232,6 @@ impl RefUnwindSafe for crate::sync::atomic::AtomicU32 {}
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#[cfg(target_has_atomic_load_store = "64")]
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#[stable(feature = "integer_atomics_stable", since = "1.34.0")]
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impl RefUnwindSafe for crate::sync::atomic::AtomicU64 {}
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-#[cfg(target_has_atomic_load_store = "128")]
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-#[unstable(feature = "integer_atomics", issue = "99069")]
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-impl RefUnwindSafe for crate::sync::atomic::AtomicU128 {}
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#[cfg(target_has_atomic_load_store = "8")]
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#[stable(feature = "unwind_safe_atomic_refs", since = "1.14.0")]
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diff --git a/library/core/src/sync/atomic.rs b/library/core/src/sync/atomic.rs
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index d9de37e..8293fce 100644
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--- a/library/core/src/sync/atomic.rs
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+++ b/library/core/src/sync/atomic.rs
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@@ -2234,46 +2234,6 @@ atomic_int! {
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"AtomicU64::new(0)",
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u64 AtomicU64 ATOMIC_U64_INIT
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}
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-#[cfg(target_has_atomic_load_store = "128")]
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-atomic_int! {
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- cfg(target_has_atomic = "128"),
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- cfg(target_has_atomic_equal_alignment = "128"),
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- unstable(feature = "integer_atomics", issue = "99069"),
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- unstable(feature = "integer_atomics", issue = "99069"),
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- unstable(feature = "integer_atomics", issue = "99069"),
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- unstable(feature = "integer_atomics", issue = "99069"),
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- unstable(feature = "integer_atomics", issue = "99069"),
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- unstable(feature = "integer_atomics", issue = "99069"),
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- rustc_const_stable(feature = "const_integer_atomics", since = "1.34.0"),
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- unstable(feature = "integer_atomics", issue = "99069"),
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- cfg_attr(not(test), rustc_diagnostic_item = "AtomicI128"),
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- "i128",
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- "#![feature(integer_atomics)]\n\n",
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- atomic_min, atomic_max,
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- 16,
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- "AtomicI128::new(0)",
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- i128 AtomicI128 ATOMIC_I128_INIT
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-}
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-#[cfg(target_has_atomic_load_store = "128")]
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-atomic_int! {
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- cfg(target_has_atomic = "128"),
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- cfg(target_has_atomic_equal_alignment = "128"),
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- unstable(feature = "integer_atomics", issue = "99069"),
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- unstable(feature = "integer_atomics", issue = "99069"),
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- unstable(feature = "integer_atomics", issue = "99069"),
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- unstable(feature = "integer_atomics", issue = "99069"),
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- unstable(feature = "integer_atomics", issue = "99069"),
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- unstable(feature = "integer_atomics", issue = "99069"),
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- rustc_const_stable(feature = "const_integer_atomics", since = "1.34.0"),
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- unstable(feature = "integer_atomics", issue = "99069"),
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- cfg_attr(not(test), rustc_diagnostic_item = "AtomicU128"),
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- "u128",
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- "#![feature(integer_atomics)]\n\n",
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- atomic_umin, atomic_umax,
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- 16,
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- "AtomicU128::new(0)",
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- u128 AtomicU128 ATOMIC_U128_INIT
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-}
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macro_rules! atomic_int_ptr_sized {
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( $($target_pointer_width:literal $align:literal)* ) => { $(
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--
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2.26.2.7.g19db9cfb68
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