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// SPDX-License-Identifier: Apache-2.0 OR MIT
// SPDX-FileCopyrightText: Copyright (C) 2024 Tsukasa OI <floss_ssdeep@irq.a4lg.com>.
//! The internal intrinsics.
/// Hints to the compiler that branch condition is likely to be true.
///
/// This is a thin wrapper to [`core::intrinsics::likely()`] and requires
/// `#![feature(core_intrinsics)]` when the `unstable` feature is enabled.
#[inline(always)]
pub(crate) fn likely(value_likely_to_be_true: bool) -> bool {
cfg_if::cfg_if! {
if #[cfg(feature = "unstable")] {
core::intrinsics::likely(value_likely_to_be_true)
}
else {
value_likely_to_be_true
}
}
}
/// Hints to the compiler that branch condition is unlikely to be true.
///
/// This is a thin wrapper to [`core::intrinsics::unlikely()`] and requires
/// `#![feature(core_intrinsics)]` when the `unstable` feature is enabled.
#[inline(always)]
pub(crate) fn unlikely(value_unlikely_to_be_true: bool) -> bool {
cfg_if::cfg_if! {
if #[cfg(feature = "unstable")] {
core::intrinsics::unlikely(value_unlikely_to_be_true)
}
else {
value_unlikely_to_be_true
}
}
}
mod tests;