SHA512SUM0

SHA-512 Sum0

SHA512SUM0 rd, rs1

Performs SHA-512 Sum0 transformation (RV64).

Details

SHA512SUM0 computes the sum-0 (capital Sigma-0) function for SHA-512.

Pseudocode Operation

rd = sum0_512(rs1);

Example

SHA512SUM0 t0, a0

Encoding

Binary Layout
0001000
31:25
00100
24:20
rs1
19:15
001
14:12
rd
11:7
0010011
6:0
 
Format R-Type
Opcode 0x13
Extension Zknh

Operands

  • rd
    Destination register (integer)
  • rs1
    Source register 1 (integer)