SHA512SUM1

SHA-512 Sum1

SHA512SUM1 rd, rs1

Performs SHA-512 Sum1 transformation (RV64).

Details

SHA512SUM1 computes the sum-1 (capital Sigma-1) function for SHA-512.

Pseudocode Operation

rd = sum1_512(rs1);

Example

SHA512SUM1 t0, a0

Encoding

Binary Layout

0001000

31:25

00101

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)