tree 9d1c94149a13454dc1f4b9c7cb2b1de680625ec5
parent a755a45dd928e05a4fb980d31d4a0dbc49adc562
author Jan Glauber <jang@linux.vnet.ibm.com> 1354190475 +0100
committer Martin Schwidefsky <schwidefsky@de.ibm.com> 1354286448 +0100

s390/bitops: find leftmost bit instruction support

The flogr instruction scans a bitmap starting from the leftmost bit.
Implement support for these bitops. This could be useful to scan
bitmaps like an interrupt vector set by the hardware starting
at the leftmost bit.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>