RISC-V ISA Explorer · Caches
Zicbop: Cache Prefetch
Ratified 2022-05 · version 1.0.0
Software-directed prefetch of a cache block for reading, writing or instruction fetch, to hide memory latency.
Typical use: Prefetching ahead of streaming access
Open Zicbop in the explorerInstructions (3)
| Mnemonic | Name | Encoding | Match | Mask |
|---|---|---|---|---|
PREFETCH.I | Cache block prefetch for instruction fetch | -------00000-----110000000010011 | 0x00006013 | 0x01f07fff |
PREFETCH.R | Cache block prefetch for data read | -------00001-----110000000010011 | 0x00106013 | 0x01f07fff |
PREFETCH.W | Cache block prefetch for data write | -------00011-----110000000010011 | 0x00306013 | 0x01f07fff |