Method fselect64

pulley/src/interp.rs:3278–3292

(
        &mut self,
        dst: FReg,
        cond: XReg,
        if_nonzero: FReg,
        if_zero: FReg,
    )

    }

    fn fselect64(
        &mut self,
        dst: FReg,
        cond: XReg,
        if_nonzero: FReg,
        if_zero: FReg,
    ) -> ControlFlow<Done> {
        let result = if self.state[cond].get_u32() != 0 {
            self.state[if_nonzero].get_f64()
        } else {
            self.state[if_zero].get_f64()
        };
        self.state[dst].set_f64(result);
        ControlFlow::Continue(())
    }

    fn f32_from_x32_s(&mut self, dst: FReg, src: XReg) -> ControlFlow<Done> {
        let a = self.state[src].get_i32();