drivers/scsi/ultrastor.c - matching constraint does not allow a register , warnings

Hi,

I got this warnings on current git with gcc 4.2.1 :

...

drivers/scsi/ultrastor.c: In function 'find_and_clear_bit_16':
drivers/scsi/ultrastor.c:303: warning: matching constraint does not allow a register drivers/scsi/ultrastor.c:302: warning: matching constraint does not allow a register drivers/scsi/ultrastor.c: At top level:
drivers/scsi/ultrastor.c:1201: warning: matching constraint does not allow a register drivers/scsi/ultrastor.c:1201: warning: matching constraint does not allow a register drivers/scsi/ultrastor.c: In function 'ultrastor_queuecommand':
drivers/scsi/ultrastor.c:698: warning: matching constraint does not allow a register drivers/scsi/ultrastor.c:698: warning: matching constraint does not allow a register drivers/scsi/ultrastor.c:698: warning: matching constraint does not allow a register drivers/scsi/ultrastor.c:698: warning: matching constraint does not allow a register drivers/scsi/ultrastor.c:698: warning: matching constraint does not allow a register drivers/scsi/ultrastor.c:698: warning: matching constraint does not allow a register drivers/scsi/ultrastor.c:698: warning: matching constraint does not allow a register drivers/scsi/ultrastor.c:698: warning: matching constraint does not allow a register drivers/scsi/ultrastor.c:302: warning: matching constraint does not allow a register drivers/scsi/ultrastor.c:302: warning: matching constraint does not allow a register

...

Regards,

Gabriel C