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|
//@ only-x86_64
//@ build-pass
//@ ignore-pass (test emits codegen-time warnings)
#![feature(avx512_target_feature)]
#![feature(portable_simd)]
#![feature(target_feature_11, simd_ffi)]
#![allow(improper_ctypes_definitions)]
use std::arch::x86_64::*;
#[repr(transparent)]
struct Wrapper(__m256);
unsafe extern "C" fn w(_: Wrapper) {
//~^ this function definition uses a SIMD vector type that (with the chosen ABI) requires the `avx` target feature, which is not enabled
//~| WARNING this was previously accepted by the compiler
todo!()
}
unsafe extern "C" fn f(_: __m256) {
//~^ this function definition uses a SIMD vector type that (with the chosen ABI) requires the `avx` target feature, which is not enabled
//~| WARNING this was previously accepted by the compiler
todo!()
}
unsafe extern "C" fn g() -> __m256 {
//~^ this function definition uses a SIMD vector type that (with the chosen ABI) requires the `avx` target feature, which is not enabled
//~| WARNING this was previously accepted by the compiler
todo!()
}
#[target_feature(enable = "avx")]
unsafe extern "C" fn favx() -> __m256 {
todo!()
}
// avx2 implies avx, so no error here.
#[target_feature(enable = "avx2")]
unsafe extern "C" fn gavx(_: __m256) {
todo!()
}
// No error because of "Rust" ABI.
fn as_f64x8(d: __m512d) -> std::simd::f64x8 {
unsafe { std::mem::transmute(d) }
}
unsafe fn test() {
let arg = std::mem::transmute([0.0f64; 8]);
as_f64x8(arg);
}
#[target_feature(enable = "avx")]
unsafe fn in_closure() -> impl FnOnce() -> __m256 {
#[inline(always)] // this disables target-feature inheritance
|| g()
//~^ WARNING this function call uses a SIMD vector type that (with the chosen ABI) requires the `avx` target feature, which is not enabled in the caller
//~| WARNING this was previously accepted by the compiler
}
fn main() {
unsafe {
f(g());
//~^ WARNING this function call uses a SIMD vector type that (with the chosen ABI) requires the `avx` target feature, which is not enabled in the caller
//~| WARNING this function call uses a SIMD vector type that (with the chosen ABI) requires the `avx` target feature, which is not enabled in the caller
//~| WARNING this was previously accepted by the compiler
//~| WARNING this was previously accepted by the compiler
}
unsafe {
gavx(favx());
//~^ WARNING this function call uses a SIMD vector type that (with the chosen ABI) requires the `avx` target feature, which is not enabled in the caller
//~| WARNING this function call uses a SIMD vector type that (with the chosen ABI) requires the `avx` target feature, which is not enabled in the caller
//~| WARNING this was previously accepted by the compiler
//~| WARNING this was previously accepted by the compiler
}
unsafe {
test();
}
unsafe {
w(Wrapper(g()));
//~^ WARNING this function call uses a SIMD vector type that (with the chosen ABI) requires the `avx` target feature, which is not enabled in the caller
//~| WARNING this function call uses a SIMD vector type that (with the chosen ABI) requires the `avx` target feature, which is not enabled in the caller
//~| WARNING this was previously accepted by the compiler
//~| WARNING this was previously accepted by the compiler
}
unsafe {
in_closure()();
}
unsafe {
#[expect(improper_ctypes)]
extern "C" {
fn some_extern() -> __m256;
}
some_extern();
//~^ WARNING this function call uses a SIMD vector type that (with the chosen ABI) requires the `avx` target feature, which is not enabled in the caller
//~| WARNING this was previously accepted by the compiler
}
}
#[no_mangle]
#[target_feature(enable = "avx")]
fn some_extern() -> __m256 {
todo!()
}
|
