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!("Cyan"),
&crate::emu::decoded_instruction::DecodedInstruction::X86(*ins),
);
let dest = emu.get_operand_xmm_value_128(ins, 0, true).unwrap_or(0);
let src = emu.get_operand_xmm_value_128(ins, 1, true).unwrap_or(0);
let mask = emu.regs().xmm0;
let mut result = 0u128;
for i in 0..2 {
let shift = i * 64;
let sel = (mask >> (shift + 64 - 1)) & 1 == 1;
let lane = if sel {
(src >> shift) & 0xffff_ffff_ffff_ffff
} else {
(dest >> shift) & 0xffff_ffff_ffff_ffff
};
result |= lane << shift;
}
emu.set_operand_xmm_value_128(ins, 0, result);
true
}