C.SDSP

Compressed Store Doubleword to Stack Pointer

C.SDSP rs2, offset(x2)

Stores a 64-bit value to the stack pointer (RV64).

Encoding

Binary Layout

?

31:16

111

15:13

c_uimm9sp_s

12:7

c_rs2

6:2

10

1:0

 

Format CSS

Opcode 0x0000E002

Extension C

Operands

• rs2
  Source
• offset
  Offset

Example

C.SDSP a1, 0(a0)

Related

More in C

Reference

View in RISC-V Unprivileged ISA Specification ↗ RISC-V ISA Manual

Description

Stores a 64-bit doubleword from rs2 to a stack-pointer-relative address (RV64).

Operation

M[R[2] + offset][63:0] = R[rs2];