ppc64: Add fls

35013e47 · Anton Blanchard · fa09aa0a · 35013e47
Commit 35013e47 authored Jun 08, 2002 by Anton Blanchard
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include/asm-ppc64/bitops.h include/asm-ppc64/bitops.h +6 -0

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--- a/include/asm-ppc64/bitops.h
+++ b/include/asm-ppc64/bitops.h
@@ -259,6 +259,12 @@ static __inline__ int ffs(int x)
 	return __ilog2(i & -i) + 1;
 }
+/*
+ * fls: find last (most-significant) bit set.
+ * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
+ */
+#define fls(x) generic_fls(x)
 /*
 * hweightN: returns the hamming weight (i.e. the number
 * of bits set) of a N-bit word