RISC-V ISA Explorer · Compressed (Zc*)

Zclsd: Compressed LS-Pair

Ratified 2025-02 · version 1.0

Loads or stores a register pair in a single 16-bit RV32 instruction, cutting code size further.

Typical use: Compressed load/store pairs

Dependencies

Mnemonic	Encoding	Match	Mask
`C.LD.RV32`	`----------------011----------000`	`0x6000`	`0xe007`
`C.LDSP.RV32`	`----------------011-----0-----10`	`0x6002`	`0xe083`
`C.SD.RV32`	`----------------111----------000`	`0xe000`	`0xe007`
`C.SDSP.RV32`	`----------------111----------010`	`0xe002`	`0xe007`