Function enc_shift

src/codec.cpp:1721–1733

shifts

    // shifts
    static void enc_shift(BytecodeBuilder& out, const IRInsn& i, const VMConfig& vm, const Codec* self) {
        out.u8(vm.opcode_for(self->family()));
        enc_slot(out, vm, get_op<VirReg>(i, 0));
        if (std::holds_alternative<Imm>(i.ops[1])) {
            out.u8(1);
            const auto& im = get_op<Imm>(i, 1);
            out.u8(static_cast<std::uint8_t>(im.value & 0xFF));
        }
        else {
            out.u8(0);
            enc_slot(out, vm, get_op<VirReg>(i, 1));
        }
    }

    static void emit_shift_handler(X64Emitter& e, const VMConfig& vm, void (X64Emitter::*op_cl)(std::uint8_t, bool)) {
        const auto& r = vm.dispatcher_regs();