This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / arch / mips / lib / ashrdi3.c

diff --git a/arch/mips/lib/ashrdi3.c b/arch/mips/lib/ashrdi3.c
new file mode 100644 (file)
index 0000000..c884a91
--- /dev/null
+++ b/arch/mips/lib/ashrdi3.c
@@ -0,0 +1,31 @@
+#include <linux/module.h>
+
+#include "libgcc.h"
+
+long long __ashrdi3(long long u, word_type b)
+{
+       DWunion uu, w;
+       word_type bm;
+
+       if (b == 0)
+               return u;
+
+       uu.ll = u;
+       bm = 32 - b;
+
+       if (bm <= 0) {
+               /* w.s.high = 1..1 or 0..0 */
+               w.s.high =
+                   uu.s.high >> 31;
+               w.s.low = uu.s.high >> -bm;
+       } else {
+               const unsigned int carries = (unsigned int) uu.s.high << bm;
+
+               w.s.high = uu.s.high >> b;
+               w.s.low = ((unsigned int) uu.s.low >> b) | carries;
+       }
+
+       return w.ll;
+}
+
+EXPORT_SYMBOL(__ashrdi3);