__ACPI_FIND_FIRST_BIT_32
__ACPI_FIND_FIRST_BIT_32 ((a), (r)) : \
__ACPI_FIND_FIRST_BIT_32 ((a)>>32, (r)+32))
#define ACPI_FIND_FIRST_BIT_32(a) ((a) ? __ACPI_FIND_FIRST_BIT_32 (a, 1) : 0)