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use cfg_if::cfg_if;
#[macro_use]
mod error_macros;
#[macro_use]
mod macros;
cfg_if! {
if #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] {
#[path = "arch/x86.rs"]
#[macro_use]
mod arch;
} else if #[cfg(target_arch = "arm")] {
#[path = "arch/arm.rs"]
#[macro_use]
mod arch;
} else if #[cfg(target_arch = "aarch64")] {
#[path = "arch/aarch64.rs"]
#[macro_use]
mod arch;
} else if #[cfg(target_arch = "powerpc")] {
#[path = "arch/powerpc.rs"]
#[macro_use]
mod arch;
} else if #[cfg(target_arch = "powerpc64")] {
#[path = "arch/powerpc64.rs"]
#[macro_use]
mod arch;
} else if #[cfg(target_arch = "mips")] {
#[path = "arch/mips.rs"]
#[macro_use]
mod arch;
} else if #[cfg(target_arch = "mips64")] {
#[path = "arch/mips64.rs"]
#[macro_use]
mod arch;
} else {
mod arch {
#[doc(hidden)]
pub(crate) enum Feature {
Null
}
#[doc(hidden)]
pub mod __is_feature_detected {}
impl Feature {
#[doc(hidden)]
pub(crate) fn from_str(_s: &str) -> Result<Feature, ()> { Err(()) }
#[doc(hidden)]
pub(crate) fn to_str(self) -> &'static str { "" }
}
}
}
}
#[doc(hidden)]
pub use self::arch::__is_feature_detected;
pub(crate) use self::arch::Feature;
mod bit;
mod cache;
cfg_if! {
if #[cfg(miri)] {
#[path = "os/other.rs"]
mod os;
} else if #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] {
#[path = "os/x86.rs"]
mod os;
} else if #[cfg(all(target_os = "linux", feature = "use_std"))] {
#[path = "os/linux/mod.rs"]
mod os;
} else if #[cfg(all(target_os = "freebsd", feature = "use_std"))] {
#[cfg(target_arch = "aarch64")]
#[path = "os/aarch64.rs"]
mod aarch64;
#[path = "os/freebsd/mod.rs"]
mod os;
} else if #[cfg(all(target_os = "windows", target_arch = "aarch64"))] {
#[path = "os/windows/aarch64.rs"]
mod os;
} else {
#[path = "os/other.rs"]
mod os;
}
}
#[inline]
fn check_for(x: Feature) -> bool {
cache::test(x as u32, self::os::detect_features)
}
#[unstable(feature = "stdsimd", issue = "27731")]
pub fn features() -> impl Iterator<Item = (&'static str, bool)> {
cfg_if! {
if #[cfg(any(
target_arch = "x86",
target_arch = "x86_64",
target_arch = "arm",
target_arch = "aarch64",
target_arch = "powerpc",
target_arch = "powerpc64",
target_arch = "mips",
target_arch = "mips64",
))] {
(0_u8..Feature::_last as u8).map(|discriminant: u8| {
let f: Feature = unsafe { crate::mem::transmute(discriminant) };
let name: &'static str = f.to_str();
let enabled: bool = check_for(f);
(name, enabled)
})
} else {
None.into_iter()
}
}
}