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-rw-r--r--arch/sh/lib/lshrdi3.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/sh/lib/lshrdi3.c b/arch/sh/lib/lshrdi3.c
new file mode 100644
index 000000000000..dcf8d6810b7c
--- /dev/null
+++ b/arch/sh/lib/lshrdi3.c
@@ -0,0 +1,29 @@
1#include <linux/module.h>
2
3#include "libgcc.h"
4
5long long __lshrdi3(long long u, word_type b)
6{
7 DWunion uu, w;
8 word_type bm;
9
10 if (b == 0)
11 return u;
12
13 uu.ll = u;
14 bm = 32 - b;
15
16 if (bm <= 0) {
17 w.s.high = 0;
18 w.s.low = (unsigned int) uu.s.high >> -bm;
19 } else {
20 const unsigned int carries = (unsigned int) uu.s.high << bm;
21
22 w.s.high = (unsigned int) uu.s.high >> b;
23 w.s.low = ((unsigned int) uu.s.low >> b) | carries;
24 }
25
26 return w.ll;
27}
28
29EXPORT_SYMBOL(__lshrdi3);