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-rw-r--r--arch/parisc/lib/libgcc/__umulsidi3.c46
1 files changed, 0 insertions, 46 deletions
diff --git a/arch/parisc/lib/libgcc/__umulsidi3.c b/arch/parisc/lib/libgcc/__umulsidi3.c
deleted file mode 100644
index 396f669164d..00000000000
--- a/arch/parisc/lib/libgcc/__umulsidi3.c
+++ /dev/null
@@ -1,46 +0,0 @@
1#include "libgcc.h"
2
3#define __ll_B ((u32) 1 << (32 / 2))
4#define __ll_lowpart(t) ((u32) (t) & (__ll_B - 1))
5#define __ll_highpart(t) ((u32) (t) >> 16)
6
7#define umul_ppmm(w1, w0, u, v) \
8 do { \
9 u32 __x0, __x1, __x2, __x3; \
10 u16 __ul, __vl, __uh, __vh; \
11 \
12 __ul = __ll_lowpart (u); \
13 __uh = __ll_highpart (u); \
14 __vl = __ll_lowpart (v); \
15 __vh = __ll_highpart (v); \
16 \
17 __x0 = (u32) __ul * __vl; \
18 __x1 = (u32) __ul * __vh; \
19 __x2 = (u32) __uh * __vl; \
20 __x3 = (u32) __uh * __vh; \
21 \
22 __x1 += __ll_highpart (__x0);/* this can't give carry */ \
23 __x1 += __x2; /* but this indeed can */ \
24 if (__x1 < __x2) /* did we get it? */ \
25 __x3 += __ll_B; /* yes, add it in the proper pos. */ \
26 \
27 (w1) = __x3 + __ll_highpart (__x1); \
28 (w0) = __ll_lowpart (__x1) * __ll_B + __ll_lowpart (__x0); \
29 } while (0)
30
31union DWunion {
32 struct {
33 s32 high;
34 s32 low;
35 } s;
36 s64 ll;
37};
38
39u64 __umulsidi3(u32 u, u32 v)
40{
41 union DWunion __w;
42
43 umul_ppmm(__w.s.high, __w.s.low, u, v);
44
45 return __w.ll;
46}