diff options
| -rw-r--r-- | compiler/rustc_target/src/spec/targets/arm64ec_pc_windows_msvc.rs | 8 | ||||
| -rw-r--r-- | tests/assembly/asm/aarch64-types.rs | 6 |
2 files changed, 11 insertions, 3 deletions
diff --git a/compiler/rustc_target/src/spec/targets/arm64ec_pc_windows_msvc.rs b/compiler/rustc_target/src/spec/targets/arm64ec_pc_windows_msvc.rs index bb3e3e544cb..8f93523909e 100644 --- a/compiler/rustc_target/src/spec/targets/arm64ec_pc_windows_msvc.rs +++ b/compiler/rustc_target/src/spec/targets/arm64ec_pc_windows_msvc.rs @@ -1,4 +1,4 @@ -use crate::spec::{LinkerFlavor, Lld, Target, TargetMetadata, add_link_args, base}; +use crate::spec::{FramePointer, LinkerFlavor, Lld, Target, TargetMetadata, add_link_args, base}; pub(crate) fn target() -> Target { let mut base = base::windows_msvc::opts(); @@ -10,6 +10,12 @@ pub(crate) fn target() -> Target { &["/machine:arm64ec", "softintrin.lib"], ); + // 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: "arm64ec-pc-windows-msvc".into(), metadata: TargetMetadata { diff --git a/tests/assembly/asm/aarch64-types.rs b/tests/assembly/asm/aarch64-types.rs index 8e4e0850325..ad2770d43e3 100644 --- a/tests/assembly/asm/aarch64-types.rs +++ b/tests/assembly/asm/aarch64-types.rs @@ -86,10 +86,12 @@ pub unsafe fn sym_static() { // Regression test for #75761 // CHECK-LABEL: {{("#)?}}issue_75761{{"?}} -// CHECK: str {{.*}}x30 +// aarch64: str {{.*}}x30 +// arm64ec: stp {{.*}}x30 // CHECK: //APP // CHECK: //NO_APP -// CHECK: ldr {{.*}}x30 +// aarch64: ldr {{.*}}x30 +// arm64ec: ldp {{.*}}x30 #[no_mangle] pub unsafe fn issue_75761() { asm!("", out("v0") _, out("x30") _); |