RISC-V ISA Explorer · System

Zifencei: Instruction-Fetch Fence

Ratified 2019-04 · version 2.0.0

FENCE.I synchronizes a hart's writes to instruction memory with its own instruction fetches, as JITs and loaders require.

Typical use: Sync I-cache with writes

Specification

Open Zifencei in the explorer

Instructions (1)

MnemonicNameEncodingMatchMask
FENCE.IInstruction fence-----------------001-----00011110x100f0x707f