1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
//@ run-pass
//@ compile-flags: --check-cfg=cfg(target_has_reliable_f16,target_has_reliable_f16_math,target_has_reliable_f128,target_has_reliable_f128_math)
// Verify that the feature gates and config work and are registered as known config
// options.
#![deny(unexpected_cfgs)]
#![feature(cfg_target_has_reliable_f16_f128)]
#[cfg(target_has_reliable_f16)]
pub fn has_f16() {}
#[cfg(target_has_reliable_f16_math)]
pub fn has_f16_math() {}
#[cfg(target_has_reliable_f128 )]
pub fn has_f128() {}
#[cfg(target_has_reliable_f128_math)]
pub fn has_f128_math() {}
fn main() {
if cfg!(target_arch = "aarch64") && cfg!(target_os = "linux") {
// Aarch64+Linux is one target that has support for all features, so use it to spot
// check that the compiler does indeed enable these gates.
assert!(cfg!(target_has_reliable_f16));
assert!(cfg!(target_has_reliable_f16_math));
assert!(cfg!(target_has_reliable_f128));
assert!(cfg!(target_has_reliable_f128_math));
}
}
|
