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Date:      Sun, 18 Jul 2021 00:36:43 GMT
From:      "Bjoern A. Zeeb" <bz@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org
Subject:   git: b5519f2ce733 - stable/13 - LinuxKPI: add HWEIGHT32()
Message-ID:  <202107180036.16I0ahrv049486@gitrepo.freebsd.org>

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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@FreeBSD.org>
AuthorDate: 2021-05-27 13:09:40 +0000
Commit:     Bjoern A. Zeeb <bz@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)
 {



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