C.LDSP

Compressed Load Doubleword from Stack Pointer

C.LDSP rd, offset(x2)

Loads a 64-bit value from the stack pointer (RV64).

Encoding

Binary Layout

?

31:16

011

15:13

c_uimm9sphi

12

rd_n0

11:7

c_uimm9splo

6:2

10

1:0

 

Format CI

Opcode 0x00006002

Extension C

Operands

• rd
  Destination register (integer)
• offset
  Offset

Example

C.LDSP t0, 0(a0)

Related

More in C

Reference

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

Description

Loads a 64-bit doubleword from a stack-pointer-relative address into rd (RV64).

Operation

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