C.SW

Compressed Store Word

C.SW rs2', offset(rs1')

Stores a 32-bit word to memory using a compressed encoding.

Stores the low 32 bits of rs2′ to memory at a 6-bit unsigned offset from rs1′.

M[R[rs1'] + offset][31:0] = R[rs2'];

C.SW x8, 4(x9)

Binary Layout

31:16

110

15:13

c_uimm7hi

12:10

rs1_p

9:7

c_uimm7lo

6:5

rs2_p

4:2

1:0

Format CS

Opcode 0x0000C000

Extension C