On Fri, Mar 24, 2017 at 05:16:44PM +, David Laight wrote:
> From: Alexey Dobriyan
> > Sent: 23 March 2017 23:33
> > Current addr4_match() code has special test for /0 prefixes because of
> > standard required undefined behaviour. However, it is possible to omit
> > it on 64-bit because
From: Alexey Dobriyan
> Sent: 23 March 2017 23:33
> Current addr4_match() code has special test for /0 prefixes because of
> standard required undefined behaviour. However, it is possible to omit
> it on 64-bit because shifting can be done in a 64-bit register and then
> truncated to the expected
Current addr4_match() code has special test for /0 prefixes because of
standard required undefined behaviour. However, it is possible to omit
it on 64-bit because shifting can be done in a 64-bit register and then
truncated to the expected value (which is 0 mask).
Implicit truncation by htonl()
