PAUSE
Pause
PAUSE
Hints that the current hart is in a spin-wait loop, allowing the hardware to reduce power consumption or yield resources.
Encoding
Binary Layout
00000001000000000000000000001111
31:0
Operands
Related
More in Zihintpause
Reference
View in RISC-V Unprivileged ISA Specification ↗
RISC-V ISA Manual
Description
PAUSE is a hint instruction that may stall the pipeline for an implementation-defined short period. It is intended to reduce energy consumption in spin-wait loops.
Operation
// Implementation-defined delay/yield