pub unsafe fn __wfe()🔬This is a nightly-only experimental API. (
stdarch_arm_hints #117218)Available on (ARM or AArch64 or
target_arch=arm64ec) and (target feature v6 or 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.