__wfe in core::arch::aarch64 - Rust
Description: Generates a WFE (wait for event) hint instruction, or nothing.

# Function __wfe

Source

    pub unsafe fn __wfe()

🔬This is a nightly-only experimental API. (`stdarch_arm_hints` #117218)
Available on AArch64 or `target_arch="arm64ec"` only.
Expand description

Generates a WFE (wait for event) hint instruction, or nothing.

The WFE instruction allows (but does not require) the processor to enter a low-power state until some event occurs such as a SEV being issued by another processor.