C.SD

Compressed Store Doubleword

C.SD rs2', offset(rs1')

Stores a 64-bit value to memory (Compressed, RV64).

Stores a 64-bit doubleword from rs2′ to memory at an 8-bit offset from rs1′ (RV64).

M[R[rs1'] + offset][63:0] = R[rs2'];

C.SD rs2', 0(a0)

Binary Layout

31:16

111

15:13

c_uimm8hi

12:10

rs1_p

9:7

c_uimm8lo

6:5

rs2_p

4:2

1:0

Format CS

Opcode 0x0000E000

Extension C