Module Name: src
Committed By: riastradh
Date: Mon Aug 27 07:04:32 UTC 2018
Modified Files:
src/sys/external/bsd/common/include/linux: bitops.h
Log Message:
Add fls to <linux/bitops.h>.
To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.4 src/sys/external/bsd/common/include/linux/bitops.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/external/bsd/common/include/linux/bitops.h
diff -u src/sys/external/bsd/common/include/linux/bitops.h:1.3 src/sys/external/bsd/common/include/linux/bitops.h:1.4
--- src/sys/external/bsd/common/include/linux/bitops.h:1.3 Mon Aug 27 06:54:29 2018
+++ src/sys/external/bsd/common/include/linux/bitops.h Mon Aug 27 07:04:32 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: bitops.h,v 1.3 2018/08/27 06:54:29 riastradh Exp $ */
+/* $NetBSD: bitops.h,v 1.4 2018/08/27 07:04:32 riastradh Exp $ */
/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -62,6 +62,16 @@ __ffs64(uint64_t x)
return ffs64(x) - 1;
}
+/*
+ * Linux fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32, so it matches
+ * our fls semantics.
+ */
+static inline int
+fls(int x)
+{
+ return fls32(x);
+}
+
static inline unsigned int
hweight16(uint16_t n)
{
