libmwemu 0.25.4

x86 32/64bits and system internals emulator, for securely emulating malware and other stuff.
Documentation
use crate::color;
use crate::emu::Emu;
use iced_x86::Instruction;
// VPCLMULQDQ dest, src1, src2, imm8: carry-less multiply of selected halves.
pub fn execute(emu: &mut Emu, ins: &Instruction, _instruction_sz: usize, _rep_step: bool) -> bool {
    emu.show_instruction(
        color!("Blue"),
        &crate::emu::decoded_instruction::DecodedInstruction::X86(*ins),
    );
    let s1 = emu.get_operand_xmm_value_128(ins, 1, true).unwrap_or(0);
    let s2 = emu.get_operand_xmm_value_128(ins, 2, true).unwrap_or(0);
    let imm = emu.get_operand_value(ins, 3, true).unwrap_or(0);
    let a = ((s1 >> (if imm & 1 != 0 { 64 } else { 0 })) & 0xffff_ffff_ffff_ffff) as u64;
    let b = ((s2 >> (if imm & 0x10 != 0 { 64 } else { 0 })) & 0xffff_ffff_ffff_ffff) as u64;
    let mut r = 0u128;
    for i in 0..64 {
        if (b >> i) & 1 == 1 {
            r ^= (a as u128) << i;
        }
    }
    emu.set_operand_xmm_value_128(ins, 0, r);
    true
}