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Diffstat (limited to 'arch/parisc/lib/libgcc/__clzsi2.c')
-rw-r--r--arch/parisc/lib/libgcc/__clzsi2.c30
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);