__ACPI_FIND_FIRST_BIT_8
__ACPI_FIND_FIRST_BIT_8 ((a), (r)) : \
__ACPI_FIND_FIRST_BIT_8 ((a)>>8, (r)+8))
#define ACPI_FIND_FIRST_BIT_8(a) ((a) ? __ACPI_FIND_FIRST_BIT_8 (a, 1) : 0)