On Sat, 11 May 2019, Doug Moore wrote:
On 5/11/19 5:52 AM, Bruce Evans wrote:
On Sat, 11 May 2019, Doug Moore wrote:
+#ifdef HAVE_INLINE_FFS
+?? case sizeof(int):
+?? return (ffs(mask) - 1);
+#endif
This is unreachable, since sizeof(int) is 4 on all supported arches, and
size
On 5/11/19 5:52 AM, Bruce Evans wrote:
> On Sat, 11 May 2019, Doug Moore wrote:
>> +#ifdef HAVE_INLINE_FFS
>> + case sizeof(int):
>> + return (ffs(mask) - 1);
>> +#endif
>
> This is unreachable, since sizeof(int) is 4 on all supported arches, and
> sizeof(mask) is 8 on all arches.
>
Anoth
On Sat, 11 May 2019, Doug Moore wrote:
Log:
When bitpos can't be implemented with an inline ffs* instruction,
change the binary search so that it does not depend on a single bit
only being set in the bitmask. Use bitpos more generally, and avoid
some clearing of bits to accommodate its curre
Author: dougm
Date: Sat May 11 09:09:10 2019
New Revision: 347484
URL: https://svnweb.freebsd.org/changeset/base/347484
Log:
When bitpos can't be implemented with an inline ffs* instruction,
change the binary search so that it does not depend on a single bit
only being set in the bitmask. Us
