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Diffstat (limited to 'arch/blackfin/lib/muldi3.c')
-rw-r--r--arch/blackfin/lib/muldi3.c76
1 files changed, 0 insertions, 76 deletions
diff --git a/arch/blackfin/lib/muldi3.c b/arch/blackfin/lib/muldi3.c
deleted file mode 100644
index 9f6f60d05f0..00000000000
--- a/arch/blackfin/lib/muldi3.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * U-Boot - muldi3.c contains routines for mult and div
- *
- * Copyright (c) 2005-2007 Analog Devices Inc.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-/* Generic function got from GNU gcc package, libgcc2.c */
-#ifndef SI_TYPE_SIZE
-#define SI_TYPE_SIZE 32
-#endif
-#define __ll_B (1L << (SI_TYPE_SIZE / 2))
-#define __ll_lowpart(t) ((USItype) (t) % __ll_B)
-#define __ll_highpart(t) ((USItype) (t) / __ll_B)
-#define BITS_PER_UNIT 8
-
-#if !defined (umul_ppmm)
-#define umul_ppmm(w1, w0, u, v) \
-do { \
- USItype __x0, __x1, __x2, __x3; \
- USItype __ul, __vl, __uh, __vh; \
- \
- __ul = __ll_lowpart (u); \
- __uh = __ll_highpart (u); \
- __vl = __ll_lowpart (v); \
- __vh = __ll_highpart (v); \
- \
- __x0 = (USItype) __ul * __vl; \
- __x1 = (USItype) __ul * __vh; \
- __x2 = (USItype) __uh * __vl; \
- __x3 = (USItype) __uh * __vh; \
- \
- __x1 += __ll_highpart (__x0);/* this can't give carry */ \
- __x1 += __x2; /* but this indeed can */ \
- if (__x1 < __x2) /* did we get it? */ \
- __x3 += __ll_B; /* yes, add it in the proper pos. */ \
- \
- (w1) = __x3 + __ll_highpart (__x1); \
- (w0) = __ll_lowpart (__x1) * __ll_B + __ll_lowpart (__x0); \
-} while (0)
-#endif
-
-#if !defined (__umulsidi3)
-#define __umulsidi3(u, v) \
- ({DIunion __w; \
- umul_ppmm (__w.s.high, __w.s.low, u, v); \
- __w.ll; })
-#endif
-
-typedef unsigned int USItype __attribute__ ((mode(SI)));
-typedef int SItype __attribute__ ((mode(SI)));
-typedef int DItype __attribute__ ((mode(DI)));
-typedef int word_type __attribute__ ((mode(__word__)));
-
-struct DIstruct {
- SItype low, high;
-};
-typedef union {
- struct DIstruct s;
- DItype ll;
-} DIunion;
-
-DItype __muldi3(DItype u, DItype v)
-{
- DIunion w;
- DIunion uu, vv;
-
- uu.ll = u, vv.ll = v;
- /* panic("kernel panic for __muldi3"); */
- w.ll = __umulsidi3(uu.s.low, vv.s.low);
- w.s.high += ((USItype) uu.s.low * (USItype) vv.s.high
- + (USItype) uu.s.high * (USItype) vv.s.low);
-
- return w.ll;
-}