rust/tests/ui/rfcs/rfc-2396-target_feature-11/safe-calls.rs

74 lines
1.8 KiB
Rust

//@ only-x86_64
// Set the base cpu explicitly, in case the default has been changed.
//@ compile-flags: -C target-cpu=x86-64
#![feature(target_feature_11)]
#[target_feature(enable = "sse2")]
const fn sse2() {}
#[target_feature(enable = "sse2")]
#[target_feature(enable = "fxsr")]
const fn sse2_and_fxsr() {}
#[target_feature(enable = "avx")]
#[target_feature(enable = "bmi2")]
fn avx_bmi2() {}
struct Quux;
impl Quux {
#[target_feature(enable = "avx")]
#[target_feature(enable = "bmi2")]
fn avx_bmi2(&self) {}
}
fn foo() {
sse2();
//~^ ERROR call to function `sse2` with `#[target_feature]` is unsafe
avx_bmi2();
//~^ ERROR call to function `avx_bmi2` with `#[target_feature]` is unsafe
Quux.avx_bmi2();
//~^ ERROR call to function `Quux::avx_bmi2` with `#[target_feature]` is unsafe
}
#[target_feature(enable = "sse2")]
fn bar() {
sse2();
avx_bmi2();
//~^ ERROR call to function `avx_bmi2` with `#[target_feature]` is unsafe
Quux.avx_bmi2();
//~^ ERROR call to function `Quux::avx_bmi2` with `#[target_feature]` is unsafe
}
#[target_feature(enable = "avx")]
fn baz() {
sse2();
avx_bmi2();
//~^ ERROR call to function `avx_bmi2` with `#[target_feature]` is unsafe
Quux.avx_bmi2();
//~^ ERROR call to function `Quux::avx_bmi2` with `#[target_feature]` is unsafe
}
#[target_feature(enable = "avx")]
#[target_feature(enable = "bmi2")]
fn qux() {
sse2();
avx_bmi2();
Quux.avx_bmi2();
}
const _: () = sse2();
//~^ ERROR call to function `sse2` with `#[target_feature]` is unsafe
const _: () = sse2_and_fxsr();
//~^ ERROR call to function `sse2_and_fxsr` with `#[target_feature]` is unsafe
#[deny(unsafe_op_in_unsafe_fn)]
unsafe fn needs_unsafe_block() {
sse2();
//~^ ERROR call to function `sse2` with `#[target_feature]` is unsafe
}
fn main() {}