RISC-V ISA Explorer · Caches
Zicboz: Cache Block Zero
Ratified 2022-05 · version 1.0.0
Zeroes a whole cache block in one instruction, speeding memset and bulk clearing of memory.
Typical use: Fast memset-to-zero
Open Zicboz in the explorerInstructions (1)
| Mnemonic | Name | Encoding | Match | Mask |
|---|---|---|---|---|
CBO.ZERO | Cache Block Zero | 000000000100-----010000000001111 | 0x40200f | 0xfff07fff |