c.li
Load the sign-extended 6-bit immediate
C.LI loads the sign-extended 6-bit immediate, imm, into register xd.
C.LI expands into addi xd, x0, imm.
C.LI is only valid when xd ≠ x0; the code points with xd=x0 encode HINTs.
Decode Variables
signed Bits<6> imm = sext({$encoding[12], $encoding[6:2]}, 6);
Bits<5> xd = $encoding[11:7];Execution
if (implemented?(ExtensionName::C) && (CSR[misa].C == 1'b0)) {
raise(ExceptionCode::IllegalInstruction, mode(), $encoding);
}
X[xd] = $signed(imm);