libmwemu 0.24.1

x86 32/64bits and system internals emulator, for securely emulating malware and other stuff.
Documentation 
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use crate::color;
use crate::emu::Emu;
use iced_x86::Instruction;

pub fn execute(emu: &mut Emu, ins: &Instruction, instruction_sz: usize, _rep_step: bool) -> bool {
    emu.show_instruction(color!("Green"), ins);

    let value0 = emu.get_operand_xmm_value_128(ins, 0, true).unwrap_or(0);
    let shift_amount = emu.get_operand_xmm_value_128(ins, 1, true).unwrap_or(0) as u32;

    let mut result = 0u128;

    for i in 0..2 {
        let mask = 0xFFFFFFFFFFFFFFFFu128;
        let shift = i * 64;

        let qword = ((value0 >> shift) & mask) as u64;
        let shifted = qword.wrapping_shl(shift_amount);

        result |= (shifted as u128 & mask) << shift;
    }

    emu.set_operand_xmm_value_128(ins, 0, result);
    true
}