libmwemu 0.24.3

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!("LightCyan"), &crate::emu::decoded_instruction::DecodedInstruction::X86(*ins));

    assert!(ins.op_count() == 2);

    let value1 = match emu.get_operand_xmm_value_128(ins, 0, true) {
        Some(v) => v,
        None => return false,
    };

    let value2 = match emu.get_operand_xmm_value_128(ins, 1, true) {
        Some(v) => v,
        None => return false,
    };

    let low_val1 = (value1 & 0xFFFFFFFFFFFFFFFF) as u64;
    let low_val2 = (value2 & 0xFFFFFFFFFFFFFFFF) as u64;

    let f1 = f64::from_bits(low_val1);
    let f2 = f64::from_bits(low_val2);

    emu.flags_mut().f_zf = false;
    emu.flags_mut().f_pf = false;
    emu.flags_mut().f_cf = false;

    if f1.is_nan() || f2.is_nan() {
        emu.flags_mut().f_pf = true;
    } else if f1 == f2 {
        emu.flags_mut().f_zf = true;
    } else if f1 < f2 {
        emu.flags_mut().f_cf = true;
    }
    true
}