projects
/
cascardo
/
linux.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
Merge branches 'pm-wakeup' and 'pm-domains'
[cascardo/linux.git]
/
lib
/
clz_ctz.c
diff --git
a/lib/clz_ctz.c
b/lib/clz_ctz.c
index
a8f8379
..
2e11e48
100644
(file)
--- a/
lib/clz_ctz.c
+++ b/
lib/clz_ctz.c
@@
-6,6
+6,9
@@
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
+ * The functions in this file aren't called directly, but are required by
+ * GCC builtins such as __builtin_ctz, and therefore they can't be removed
+ * despite appearing unreferenced in kernel source.
*
* __c[lt]z[sd]i2 can be overridden by linking arch-specific versions.
*/
*
* __c[lt]z[sd]i2 can be overridden by linking arch-specific versions.
*/
@@
-13,18
+16,22
@@
#include <linux/export.h>
#include <linux/kernel.h>
#include <linux/export.h>
#include <linux/kernel.h>
+int __weak __ctzsi2(int val);
int __weak __ctzsi2(int val)
{
return __ffs(val);
}
EXPORT_SYMBOL(__ctzsi2);
int __weak __ctzsi2(int val)
{
return __ffs(val);
}
EXPORT_SYMBOL(__ctzsi2);
+int __weak __clzsi2(int val);
int __weak __clzsi2(int val)
{
return 32 - fls(val);
}
EXPORT_SYMBOL(__clzsi2);
int __weak __clzsi2(int val)
{
return 32 - fls(val);
}
EXPORT_SYMBOL(__clzsi2);
+int __weak __clzdi2(long val);
+int __weak __ctzdi2(long val);
#if BITS_PER_LONG == 32
int __weak __clzdi2(long val)
#if BITS_PER_LONG == 32
int __weak __clzdi2(long val)