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use crate::spec::{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,+fp-armv8".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
// "The frame pointer (x29) is required for compatibility with fast stack walking used by ETW
// and other services. It must point to the previous {x29, x30} pair on the stack."
base.frame_pointer = FramePointer::NonLeaf;
Target {
llvm_target: "aarch64-pc-windows-msvc".into(),
metadata: TargetMetadata {
description: Some("ARM64 Windows MSVC".into()),
tier: Some(1),
host_tools: Some(true),
std: Some(true),
},
pointer_width: 64,
data_layout:
"e-m:w-p270:32:32-p271:32:32-p272:64:64-p:64:64-i32:32-i64:64-i128:128-n32:64-S128-Fn32"
.into(),
arch: "aarch64".into(),
options: base,
}
}
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