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);
    if emu.get_operand_sz(ins, 0) != 128 || emu.get_operand_sz(ins, 1) != 128 {
        log::info!("unimplemented");
        return false;
    }

    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 mask = 0xFFFFFFFFu128;
        let shift = i * 32;

        let dword0 = (value0 >> shift) & mask;
        let dword1 = (value1 >> shift) & mask;

        if dword0 == dword1 {
            result |= mask << shift;
        }
    }

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