_NOLIBC_SYSCALL_REG
register long _num __asm__(_NOLIBC_SYSCALL_REG) = (num); \
register long _num __asm__(_NOLIBC_SYSCALL_REG) = (num); \
register long _num __asm__(_NOLIBC_SYSCALL_REG) = (num); \
register long _num __asm__(_NOLIBC_SYSCALL_REG) = (num); \
register long _num __asm__(_NOLIBC_SYSCALL_REG) = (num); \
register long _num __asm__(_NOLIBC_SYSCALL_REG) = (num); \
register long _num __asm__(_NOLIBC_SYSCALL_REG) = (num); \