PREFETCH.W

Prefetch Write

PREFETCH.W offset(rs1)

Hints to hardware to bring the cache block at the address into the data cache for writing (exclusive ownership).

Details

PREFETCH.W is a hint to the memory system to prefetch the cache block at rs1+offset into the data cache for a write access.

Pseudocode Operation

Prefetch(D-Cache, Write, R[rs1] + offset);

Example

PREFETCH.W 0(x10)

Encoding

Binary Layout
00000
31:27
00011
26:22
rs1
21:17
110
16:14
imm
0010011
13:7
 
Format S-Type (Hint)
Opcode 0x13
Extension Zicbop

Operands

  • rs1
    Base Address
  • offset
    Offset