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-rw-r--r--arch/h8300/lib/muldi3.c45
1 files changed, 0 insertions, 45 deletions
diff --git a/arch/h8300/lib/muldi3.c b/arch/h8300/lib/muldi3.c
deleted file mode 100644
index 9cb11b134e54..000000000000
--- a/arch/h8300/lib/muldi3.c
+++ /dev/null
@@ -1,45 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include "libgcc.h"
-
-#define __ll_B ((UWtype) 1 << (W_TYPE_SIZE / 2))
-#define __ll_lowpart(t) ((UWtype) (t) & (__ll_B - 1))
-#define __ll_highpart(t) ((UWtype) (t) >> (W_TYPE_SIZE / 2))
-
-#define umul_ppmm(w1, w0, u, v) \
- do { \
- UWtype __x0, __x1, __x2, __x3; \
- UHWtype __ul, __vl, __uh, __vh; \
- __ul = __ll_lowpart(u); \
- __uh = __ll_highpart(u); \
- __vl = __ll_lowpart(v); \
- __vh = __ll_highpart(v); \
- __x0 = (UWtype) __ul * __vl; \
- __x1 = (UWtype) __ul * __vh; \
- __x2 = (UWtype) __uh * __vl; \
- __x3 = (UWtype) __uh * __vh; \
- __x1 += __ll_highpart(__x0); \
- __x1 += __x2; \
- if (__x1 < __x2) \
- __x3 += __ll_B; \
- (w1) = __x3 + __ll_highpart(__x1); \
- (w0) = __ll_lowpart(__x1) * __ll_B + __ll_lowpart(__x0); \
- } while (0)
-
-#define __umulsidi3(u, v) ( \
- { \
- DWunion __w; \
- umul_ppmm(__w.s.high, __w.s.low, u, v); \
- __w.ll; } \
- )
-
-DWtype __muldi3(DWtype u, DWtype v)
-{
- const DWunion uu = {.ll = u};
- const DWunion vv = {.ll = v};
- DWunion w = {.ll = __umulsidi3(uu.s.low, vv.s.low)};
-
- w.s.high += ((UWtype) uu.s.low * (UWtype) vv.s.high
- + (UWtype) uu.s.high * (UWtype) vv.s.low);
-
- return w.ll;
-}