bjoernager/rust
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use portable AtomicU64 for powerPC and MIPS

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This commit is contained in:
SparrowLii 2023-11-06 09:58:51 +08:00
parent 248dd14fa5
commit f2a40e99ff
5 changed files with 28 additions and 4 deletions
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13
compiler/rustc_data_structures/src/marker.rs
View file

@ -138,7 +138,6 @@ cfg_match! {
[std::sync::atomic::AtomicUsize]
[std::sync::atomic::AtomicU8]
[std::sync::atomic::AtomicU32]
[std::sync::atomic::AtomicU64]
[std::backtrace::Backtrace]
[std::io::Error]
[std::fs::File]
@ -148,6 +147,18 @@ cfg_match! {
[crate::owned_slice::OwnedSlice]
);
// PowerPC and MIPS platforms with 32-bit pointers do not
// have AtomicU64 type.
#[cfg(not(any(target_arch = "powerpc", target_arch = "mips")))]
already_sync!(
[std::sync::atomic::AtomicU64]
);
#[cfg(any(target_arch = "powerpc", target_arch = "mips"))]
already_sync!(
[portable_atomic::AtomicU64]
);
macro_rules! impl_dyn_sync {
($($($attr: meta)* [$ty: ty where $($generics2: tt)*])*) => {
$(unsafe impl<$($generics2)*> DynSync for $ty {})*

10
compiler/rustc_data_structures/src/sync.rs
View file

@ -265,7 +265,15 @@ cfg_match! {
pub use std::sync::OnceLock;
pub use std::sync::atomic::{AtomicBool, AtomicUsize, AtomicU32, AtomicU64};
pub use std::sync::atomic::{AtomicBool, AtomicUsize, AtomicU32};
// PowerPC and MIPS platforms with 32-bit pointers do not
// have AtomicU64 type.
#[cfg(not(any(target_arch = "powerpc", target_arch = "mips")))]
pub use std::sync::atomic::AtomicU64;
#[cfg(any(target_arch = "powerpc", target_arch = "mips"))]
pub use portable_atomic::AtomicU64;
pub use std::sync::Arc as Lrc;
pub use std::sync::Weak as Weak;