| //@ build-pass |
| //@ only-aarch64 |
| #![feature(simd_ffi, rustc_attrs, link_llvm_intrinsics)] |
| |
| #[derive(Copy, Clone)] |
| #[rustc_scalable_vector(4)] |
| #[allow(non_camel_case_types)] |
| pub struct svint32_t(i32); |
| |
| #[target_feature(enable = "sve")] |
| pub unsafe fn svdup_n_s32(op: i32) -> svint32_t { |
| extern "C" { |
| #[cfg_attr(target_arch = "aarch64", link_name = "llvm.aarch64.sve.dup.x.nxv4i32")] |
| fn _svdup_n_s32(op: i32) -> svint32_t; |
| //~^ WARN: `extern` block uses type `svint32_t`, which is not FFI-safe |
| } |
| unsafe { _svdup_n_s32(op) } |
| } |
| |
| #[target_feature(enable = "sve")] |
| fn require_copy<T: Copy>(t: T) {} |
| |
| #[target_feature(enable = "sve")] |
| fn test() { |
| unsafe { |
| let a = svdup_n_s32(1); |
| require_copy(a); |
| } |
| } |
| |
| fn main() {} |
