__ACPI_FIND_LAST_BIT_32
__ACPI_FIND_LAST_BIT_32 ((a)>>32, (r)+32) : \
__ACPI_FIND_LAST_BIT_32 ((a), (r)))
#define ACPI_FIND_LAST_BIT_32(a) ((a) ? __ACPI_FIND_LAST_BIT_32 (a, 1) : 0)