git: b5519f2ce733 - stable/13 - LinuxKPI: add HWEIGHT32()
Bjoern A. Zeeb
bz at FreeBSD.org
Sun Jul 18 00:36:46 UTC 2021
The branch stable/13 has been updated by bz:
URL: https://cgit.FreeBSD.org/src/commit/?id=b5519f2ce733deec02e3fd398fe8a02dc6826899
commit b5519f2ce733deec02e3fd398fe8a02dc6826899
Author: Bjoern A. Zeeb <bz at FreeBSD.org>
AuthorDate: 2021-05-27 13:09:40 +0000
Commit: Bjoern A. Zeeb <bz at FreeBSD.org>
CommitDate: 2021-07-18 00:35:03 +0000
LinuxKPI: add HWEIGHT32()
Add HWEIGHT32() macro needed by iwlwifi and while here add the 8/16/64
variants likewise.
Sponsored by: The FreeBSD Foundation
Reviewed by: hselasky
Differential Revision: https://reviews.freebsd.org/D30501
(cherry picked from commit 4cc8a9da491d10f1b4bad6a50730b67dd5e899c7)
---
sys/compat/linuxkpi/common/include/linux/bitops.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/sys/compat/linuxkpi/common/include/linux/bitops.h b/sys/compat/linuxkpi/common/include/linux/bitops.h
index 0e25fd3cfb1d..49bfc4cc7414 100644
--- a/sys/compat/linuxkpi/common/include/linux/bitops.h
+++ b/sys/compat/linuxkpi/common/include/linux/bitops.h
@@ -63,6 +63,11 @@
#define hweight64(x) bitcount64(x)
#define hweight_long(x) bitcountl(x)
+#define HWEIGHT8(x) (bitcount8((uint8_t)(x)) + 1)
+#define HWEIGHT16(x) (bitcount16(x) + 1)
+#define HWEIGHT32(x) (bitcount32(x) + 1)
+#define HWEIGHT64(x) (bitcount64(x) + 1)
+
static inline int
__ffs(int mask)
{
More information about the dev-commits-src-branches
mailing list