Method read_write_gpr

cranelift/codegen/src/isa/x64/inst/external.rs:271–275

(&mut self, reg: &mut PairedGpr)

    }

    fn read_write_gpr(&mut self, reg: &mut PairedGpr) {
        let PairedGpr { read, write } = reg;
        self.collector.reg_use(read);
        self.collector.reg_reuse_def(write, 0);
    }

    fn write_gpr(&mut self, reg: &mut WritableGpr) {
        self.collector.reg_def(reg);