diff options
Diffstat (limited to 'library/stdarch')
| -rw-r--r-- | library/stdarch/crates/core_arch/src/aarch64/mod.rs | 1 | ||||
| -rw-r--r-- | library/stdarch/crates/core_arch/src/aarch64/prefetch.rs | 7 |
2 files changed, 8 insertions, 0 deletions
diff --git a/library/stdarch/crates/core_arch/src/aarch64/mod.rs b/library/stdarch/crates/core_arch/src/aarch64/mod.rs index 02d7b28f3b7..fefd2f4780c 100644 --- a/library/stdarch/crates/core_arch/src/aarch64/mod.rs +++ b/library/stdarch/crates/core_arch/src/aarch64/mod.rs @@ -22,6 +22,7 @@ mod crc; pub use self::crc::*; mod prefetch; +#[unstable(feature = "stdarch_aarch64_prefetch", issue = "117217")] pub use self::prefetch::*; #[stable(feature = "neon_intrinsics", since = "1.59.0")] diff --git a/library/stdarch/crates/core_arch/src/aarch64/prefetch.rs b/library/stdarch/crates/core_arch/src/aarch64/prefetch.rs index 0e2e39cc2e2..1fde2ac4df9 100644 --- a/library/stdarch/crates/core_arch/src/aarch64/prefetch.rs +++ b/library/stdarch/crates/core_arch/src/aarch64/prefetch.rs @@ -7,21 +7,27 @@ extern "unadjusted" { } /// See [`prefetch`](fn._prefetch.html). +#[unstable(feature = "stdarch_aarch64_prefetch", issue = "117217")] pub const _PREFETCH_READ: i32 = 0; /// See [`prefetch`](fn._prefetch.html). +#[unstable(feature = "stdarch_aarch64_prefetch", issue = "117217")] pub const _PREFETCH_WRITE: i32 = 1; /// See [`prefetch`](fn._prefetch.html). +#[unstable(feature = "stdarch_aarch64_prefetch", issue = "117217")] pub const _PREFETCH_LOCALITY0: i32 = 0; /// See [`prefetch`](fn._prefetch.html). +#[unstable(feature = "stdarch_aarch64_prefetch", issue = "117217")] pub const _PREFETCH_LOCALITY1: i32 = 1; /// See [`prefetch`](fn._prefetch.html). +#[unstable(feature = "stdarch_aarch64_prefetch", issue = "117217")] pub const _PREFETCH_LOCALITY2: i32 = 2; /// See [`prefetch`](fn._prefetch.html). +#[unstable(feature = "stdarch_aarch64_prefetch", issue = "117217")] pub const _PREFETCH_LOCALITY3: i32 = 3; /// Fetch the cache line that contains address `p` using the given `RW` and `LOCALITY`. @@ -64,6 +70,7 @@ pub const _PREFETCH_LOCALITY3: i32 = 3; #[cfg_attr(test, assert_instr("prfm pstl2keep", RW = _PREFETCH_WRITE, LOCALITY = _PREFETCH_LOCALITY2))] #[cfg_attr(test, assert_instr("prfm pstl1keep", RW = _PREFETCH_WRITE, LOCALITY = _PREFETCH_LOCALITY3))] #[rustc_legacy_const_generics(1, 2)] +#[unstable(feature = "stdarch_aarch64_prefetch", issue = "117217")] // FIXME: Replace this with the standard ACLE __pld/__pldx/__pli/__plix intrinsics pub unsafe fn _prefetch<const RW: i32, const LOCALITY: i32>(p: *const i8) { // We use the `llvm.prefetch` intrinsic with `cache type` = 1 (data cache). |