---

yaml --- r: 125711 b: refs/heads/master c: ee38e51 h: refs/heads/master i: 125709: 845f1a6 125707: af3ad69 125703: 53da3b8 125695: 66381b6 v: v3
git-mirror · Jan 3, 2009 · 4926cc2 · 4926cc2
1 parent e4a712e
commit 4926cc2
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Showing 2 changed files with 14 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0999769e6cad9b0e5abb7c513c0c3f16821f0884
+refs/heads/master: ee38e5140bafbf40e1bd25ab917ac8db54a27799
diff --git a/trunk/include/asm-frv/bitops.h b/trunk/include/asm-frv/bitops.h
@@ -339,6 +339,19 @@ int __ffs(unsigned long x)
 	return 31 - bit;
 }
 
+/**
+ * __fls - find last (most-significant) set bit in a long word
+ * @word: the word to search
+ *
+ * Undefined if no set bit exists, so code should check against 0 first.
+ */
+static inline unsigned long __fls(unsigned long word)
+{
+	unsigned long bit;
+	asm("scan %1,gr0,%0" : "=r"(bit) : "r"(word));
+	return bit;
+}
+
 /*
  * special slimline version of fls() for calculating ilog2_u32()
  * - note: no protection against n == 0