dcba

Data Cache Block Allocate

dcba RA, RB

Allocates a cache block without loading from memory (optimization for overwrite).

Details

The Data Cache Block Allocate instruction allocates a cache block without loading from memory (optimization for overwrite).

Pseudocode Operation

// Allocates a cache block without loading from memory (optimization for overwrite)

Example

dcba r4, r5

Encoding

Binary Layout
31
0
/
6
RA
11
RB
16
758
21
/
31
 
Format X-form
Opcode 0x7C0005E6
Extension Base

Operands

  • RA
    Base
  • RB
    Index