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 value1 = emu.get_operand_xmm_value_128(ins, 1, true).unwrap_or(0);

    let mut result = 0u128;

    for i in 0..4 {
        let shift = i * 32;
        let word0 = ((value0 >> shift) & 0xFFFFFFFFu128) as u32;
        let word1 = ((value1 >> shift) & 0xFFFFFFFFu128) as u32;
        let comparison_result = if word0 > word1 {
            0xFFFFFFFFu32
        } else {
            0x00000000u32
        };

        result |= (comparison_result as u128) << shift;
    }

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