crc32b

Cyclic Redundancy Check 32-bit Byte

crc32b RA, RS

Accumulates a CRC32 checksum using the low byte of RS.

Details

The Cyclic Redundancy Check 32-bit Byte instruction accumulates a CRC32 checksum using the low byte of RS.

Pseudocode Operation

// Accumulates a CRC32 checksum using the low byte of RS

Example

crc32b r4, r3

Encoding

Binary Layout
31
0
RS
6
RA
11
0
16
522
21
/
31
 
Format X-form
Opcode 0x7C00020A
Extension Base

Operands

  • RA
    Target/Accumulator
  • RS
    Data