RISC-V ISA Explorer · Compressed (Zc*)

Zcf: Compressed Float Load/Store

Ratified 2023-04 · version 1.0.0

Shrinks single-precision code on RV32 by encoding its floating-point loads and stores in 16 bits.

Typical use: 16-bit encodings for FP LD/ST

Dependencies

Mnemonic	Name	Encoding	Match	Mask
`C.FLW`	Load single-precision	`----------------011-----------00`	`0x6000`	`0xe003`
`C.FLWSP`	Load word into floating-point register from stack	`----------------011-----------10`	`0x6002`	`0xe003`
`C.FSW`	Store single-precision	`----------------111-----------00`	`0xe000`	`0xe003`
`C.FSWSP`	Store single-precision value to stack	`----------------111-----------10`	`0xe002`	`0xe003`