rust/tests/ui/intrinsics/intrinsic-alignment.rs
2023-09-21 17:31:25 +02:00

71 lines
1.6 KiB
Rust

// run-pass
// ignore-wasm32-bare seems not important to test here
#![feature(intrinsics)]
mod rusti {
extern "rust-intrinsic" {
pub fn pref_align_of<T>() -> usize;
#[rustc_safe_intrinsic]
pub fn min_align_of<T>() -> usize;
}
}
#[cfg(any(target_os = "android",
target_os = "dragonfly",
target_os = "emscripten",
target_os = "freebsd",
target_os = "fuchsia",
target_os = "hurd",
target_os = "illumos",
target_os = "linux",
target_os = "macos",
target_os = "netbsd",
target_os = "openbsd",
target_os = "solaris",
target_os = "vxworks",
target_os = "nto",
))]
mod m {
#[cfg(target_arch = "x86")]
pub fn main() {
unsafe {
assert_eq!(::rusti::pref_align_of::<u64>(), 8);
assert_eq!(::rusti::min_align_of::<u64>(), 4);
}
}
#[cfg(not(target_arch = "x86"))]
pub fn main() {
unsafe {
assert_eq!(::rusti::pref_align_of::<u64>(), 8);
assert_eq!(::rusti::min_align_of::<u64>(), 8);
}
}
}
#[cfg(target_env = "sgx")]
mod m {
#[cfg(target_arch = "x86_64")]
pub fn main() {
unsafe {
assert_eq!(::rusti::pref_align_of::<u64>(), 8);
assert_eq!(::rusti::min_align_of::<u64>(), 8);
}
}
}
#[cfg(target_os = "windows")]
mod m {
pub fn main() {
unsafe {
assert_eq!(::rusti::pref_align_of::<u64>(), 8);
assert_eq!(::rusti::min_align_of::<u64>(), 8);
}
}
}
fn main() {
m::main();
}