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Enable outline-atomics by default on AArch64 Windows platforms

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Windows has a similar flag `/forceInterlockedFunctions`, which uses
names such as `_InterlockedAdd64_rel`.
This commit is contained in:
Trevor Gross
2025-09-05 15:20:59 -04:00
parent 2105a2579b
commit 1ed1b6e267
2 changed files with 2 additions and 2 deletions
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compiler/rustc_target/src/spec/targets/aarch64_pc_windows_gnullvm.rs
+1 -1
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@@ -3,7 +3,7 @@ use crate::spec::{Arch, Cc, FramePointer, LinkerFlavor, Lld, Target, TargetMetad
pub(crate) fn target() -> Target {
let mut base = base::windows_gnullvm::opts();
base.max_atomic_width = Some(128);
base.features = "+v8a,+neon".into();
base.features = "+v8a,+neon,+outline-atomics".into();
base.linker = Some("aarch64-w64-mingw32-clang".into());
base.add_pre_link_args(LinkerFlavor::Gnu(Cc::No, Lld::No), &["-m", "arm64pe"]);
compiler/rustc_target/src/spec/targets/aarch64_pc_windows_msvc.rs
+1 -1
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@@ -3,7 +3,7 @@ use crate::spec::{Arch, FramePointer, Target, TargetMetadata, base};
pub(crate) fn target() -> Target {
let mut base = base::windows_msvc::opts();
base.max_atomic_width = Some(128);
base.features = "+v8a,+neon".into();
base.features = "+v8a,+neon,+outline-atomics".into();
// Microsoft recommends enabling frame pointers on Arm64 Windows.
// From https://learn.microsoft.com/en-us/cpp/build/arm64-windows-abi-conventions?view=msvc-170#integer-registers