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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:21:35 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:21:35 +0000
commit7b642cd94bb96385cbdbb36a1952f129af6b1bbb (patch)
treee7c4209372da8a2fa745aaa3e99d062e54d0f556 /lib/clz_ctz.c
parentAdding debian version 4.19.289-2. (diff)
downloadlinux-7b642cd94bb96385cbdbb36a1952f129af6b1bbb.tar.xz
linux-7b642cd94bb96385cbdbb36a1952f129af6b1bbb.zip
Merging upstream version 4.19.304.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/clz_ctz.c')
-rw-r--r--lib/clz_ctz.c32
1 files changed, 6 insertions, 26 deletions
diff --git a/lib/clz_ctz.c b/lib/clz_ctz.c
index 2e11e4844..ca0582d33 100644
--- a/lib/clz_ctz.c
+++ b/lib/clz_ctz.c
@@ -30,36 +30,16 @@ int __weak __clzsi2(int val)
}
EXPORT_SYMBOL(__clzsi2);
-int __weak __clzdi2(long val);
-int __weak __ctzdi2(long val);
-#if BITS_PER_LONG == 32
-
-int __weak __clzdi2(long val)
+int __weak __clzdi2(u64 val);
+int __weak __clzdi2(u64 val)
{
- return 32 - fls((int)val);
+ return 64 - fls64(val);
}
EXPORT_SYMBOL(__clzdi2);
-int __weak __ctzdi2(long val)
+int __weak __ctzdi2(u64 val);
+int __weak __ctzdi2(u64 val)
{
- return __ffs((u32)val);
+ return __ffs64(val);
}
EXPORT_SYMBOL(__ctzdi2);
-
-#elif BITS_PER_LONG == 64
-
-int __weak __clzdi2(long val)
-{
- return 64 - fls64((u64)val);
-}
-EXPORT_SYMBOL(__clzdi2);
-
-int __weak __ctzdi2(long val)
-{
- return __ffs64((u64)val);
-}
-EXPORT_SYMBOL(__ctzdi2);
-
-#else
-#error BITS_PER_LONG not 32 or 64
-#endif