1 files changed, 30 insertions, 0 deletions

diff --git a/arch/parisc/lib/libgcc/__clzsi2.c b/arch/parisc/lib/libgcc/__clzsi2.c
new file mode 100644
index 000000000000..a7aa2f55a9c6
--- /dev/null
+++ b/arch/parisc/lib/libgcc/__clzsi2.c
@@ -0,0 +1,30 @@
+#include "libgcc.h"
+
+u32 __clzsi2(u32 v)
+{
+        int p = 31;
+
+        if (v & 0xffff0000) {
+                p -= 16;
+                v >>= 16;
+        }
+        if (v & 0xff00) {
+                p -= 8;
+                v >>= 8;
+        }
+        if (v & 0xf0) {
+                p -= 4;
+                v >>= 4;
+        }
+        if (v & 0xc) {
+                p -= 2;
+                v >>= 2;
+        }
+        if (v & 0x2) {
+                p -= 1;
+                v >>= 1;
+        }
+
+        return p;
+}
+EXPORT_SYMBOL(__clzsi2);