/* PR tree-optimizations/40351 */ struct IO_APIC_route_entry { unsigned int vector : 8; unsigned int delivery_mode : 1; unsigned int mask : 1; unsigned int __reserved_2 : 15; unsigned int __reserved_3 : 8; } __attribute__ ((packed)); union entry_union { struct { unsigned int w1, w2; }; struct IO_APIC_route_entry entry; }; unsigned int io_apic_read(void); struct IO_APIC_route_entry ioapic_read_entry(void) { union entry_union eu; eu.w1 = io_apic_read(); return eu.entry; }