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| author | Daniel Paoliello <danpao@microsoft.com> | 2025-05-07 10:56:00 -0700 |
|---|---|---|
| committer | Daniel Paoliello <danpao@microsoft.com> | 2025-05-07 12:02:14 -0700 |
| commit | 75ca6c621e08eb7252bb542b9264e7ab7a8fc4e1 (patch) | |
| tree | ca5126743e0739af2b35ad048c6c6b2ba23c1c0b /compiler/rustc_target/src/spec | |
| parent | f5d3fe273b8b9e7125bf8856d44793b6cc4b6735 (diff) | |
| download | rust-75ca6c621e08eb7252bb542b9264e7ab7a8fc4e1.tar.gz rust-75ca6c621e08eb7252bb542b9264e7ab7a8fc4e1.zip | |
[win][arm64] Disable MSVC Linker 'Arm Hazard' warning
Diffstat (limited to 'compiler/rustc_target/src/spec')
| -rw-r--r-- | compiler/rustc_target/src/spec/targets/aarch64_pc_windows_msvc.rs | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/compiler/rustc_target/src/spec/targets/aarch64_pc_windows_msvc.rs b/compiler/rustc_target/src/spec/targets/aarch64_pc_windows_msvc.rs index 98d78520c98..0d25b19f3fc 100644 --- a/compiler/rustc_target/src/spec/targets/aarch64_pc_windows_msvc.rs +++ b/compiler/rustc_target/src/spec/targets/aarch64_pc_windows_msvc.rs @@ -1,10 +1,15 @@ -use crate::spec::{Target, TargetMetadata, base}; +use crate::spec::{LinkerFlavor, Lld, 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,+fp-armv8".into(); + // MSVC emits a warning about code that may trip "Cortex-A53 MPCore processor bug #843419" (see + // https://developer.arm.com/documentation/epm048406/latest) which is sometimes emitted by LLVM. + // Since Arm64 Windows 10+ isn't supported on that processor, it's safe to disable the warning. + base.add_pre_link_args(LinkerFlavor::Msvc(Lld::No), &["/arm64hazardfree"]); + Target { llvm_target: "aarch64-pc-windows-msvc".into(), metadata: TargetMetadata { |