SD

Store Doubleword

SD rs2, offset(rs1)

Stores a 64-bit doubleword to memory.

Details

SD stores the 64-bit doubleword in rs2 to memory at address rs1+sext(offset).

Pseudocode Operation

M[R[rs1] + sext(offset)][63:0] = R[rs2][63:0];

Example

SD x5, 16(x10)

Encoding

Binary Layout

imm[11:5]

31:25

rs2

24:20

rs1

19:15

011

14:12

imm[4:0]

11:7

0100011

6:0

Format S-Type

Opcode 0x23

Extension RV64I

Operands

rs2
Source
rs1
Base Address
offset
Offset