PAUSE

Pause

PAUSE

Hints that the current hart is in a spin-wait loop, allowing the hardware to reduce power consumption or yield resources.

Details

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.

Pseudocode Operation

// Implementation-defined delay/yield

Example

PAUSE

Encoding

Binary Layout
00000001000000000000000000001111
31:0
 
Format I-Type (Hint)
Opcode 0x0100000F
Extension Zihintpause

Operands