| /* { dg-options "-O2" } */ |
| |
| static unsigned int old_serial_port_irq[10]; |
| |
| static struct uart_8250_port { |
| volatile unsigned int slock; |
| unsigned int irq; |
| } serial8250_ports[10]; |
| |
| static __inline__ __attribute__((always_inline)) int irq_canonicalize(int irq) |
| { |
| return ((irq == 2) ? 9 : irq); |
| } |
| |
| void serial8250_isa_init_ports(void) |
| { |
| struct uart_8250_port *up; |
| int i; |
| |
| for (i = 0, up = serial8250_ports; i < 10; i++, up++) |
| up->irq = irq_canonicalize(old_serial_port_irq[i]); |
| } |
| |
| int main(void) |
| { |
| serial8250_isa_init_ports(); |
| return 0; |
| } |
