cj-insn ( imm opcode -- )

Vocabulary

cpu.riscv.32.assembler

Inputs

imm	an object
opcode	an object

Outputs

None

Definition

USING: kernel math ;

IN: cpu.riscv.32.assembler

:: cj-insn ( imm opcode -- )
    imm 12 signed-immediate :> n imm 1 bitand zero?
    [ ] [ imm 12 invalid-riscv-immediate ] if n {
        { 11 1 12 }
        { 4 1 11 }
        { 8 2 9 }
        { 10 1 8 }
        { 6 1 7 }
        { 7 1 6 }
        { 1 3 3 }
        { 5 1 2 }
    } scatter opcode bitor emit-half ;