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-rw-r--r--arch/m68k/lib/muldi3.c99
-rw-r--r--arch/m68k/lib/muldi3_mm.c63
-rw-r--r--arch/m68k/lib/muldi3_no.c86
3 files changed, 96 insertions, 152 deletions
diff --git a/arch/m68k/lib/muldi3.c b/arch/m68k/lib/muldi3.c
index 16e0eb338ee0..079bafca073e 100644
--- a/arch/m68k/lib/muldi3.c
+++ b/arch/m68k/lib/muldi3.c
@@ -1,5 +1,98 @@
1#ifdef CONFIG_MMU 1/* muldi3.c extracted from gcc-2.7.2.3/libgcc2.c and
2#include "muldi3_mm.c" 2 gcc-2.7.2.3/longlong.h which is: */
3/* Copyright (C) 1989, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
4
5This file is part of GNU CC.
6
7GNU CC is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2, or (at your option)
10any later version.
11
12GNU CC is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GNU CC; see the file COPYING. If not, write to
19the Free Software Foundation, 59 Temple Place - Suite 330,
20Boston, MA 02111-1307, USA. */
21
22#if defined(__mc68020__) || defined(__mc68030__) || \
23 defined(__mc68040__) || defined(__mc68060__) || defined(__mcpu32__)
24
25#define umul_ppmm(w1, w0, u, v) \
26 __asm__ ("mulu%.l %3,%1:%0" \
27 : "=d" ((USItype)(w0)), \
28 "=d" ((USItype)(w1)) \
29 : "%0" ((USItype)(u)), \
30 "dmi" ((USItype)(v)))
31
3#else 32#else
4#include "muldi3_no.c" 33
34#define SI_TYPE_SIZE 32
35#define __BITS4 (SI_TYPE_SIZE / 4)
36#define __ll_B (1L << (SI_TYPE_SIZE / 2))
37#define __ll_lowpart(t) ((USItype) (t) % __ll_B)
38#define __ll_highpart(t) ((USItype) (t) / __ll_B)
39
40#define umul_ppmm(w1, w0, u, v) \
41 do { \
42 USItype __x0, __x1, __x2, __x3; \
43 USItype __ul, __vl, __uh, __vh; \
44 \
45 __ul = __ll_lowpart (u); \
46 __uh = __ll_highpart (u); \
47 __vl = __ll_lowpart (v); \
48 __vh = __ll_highpart (v); \
49 \
50 __x0 = (USItype) __ul * __vl; \
51 __x1 = (USItype) __ul * __vh; \
52 __x2 = (USItype) __uh * __vl; \
53 __x3 = (USItype) __uh * __vh; \
54 \
55 __x1 += __ll_highpart (__x0);/* this can't give carry */ \
56 __x1 += __x2; /* but this indeed can */ \
57 if (__x1 < __x2) /* did we get it? */ \
58 __x3 += __ll_B; /* yes, add it in the proper pos. */ \
59 \
60 (w1) = __x3 + __ll_highpart (__x1); \
61 (w0) = __ll_lowpart (__x1) * __ll_B + __ll_lowpart (__x0); \
62 } while (0)
63
5#endif 64#endif
65
66#define __umulsidi3(u, v) \
67 ({DIunion __w; \
68 umul_ppmm (__w.s.high, __w.s.low, u, v); \
69 __w.ll; })
70
71typedef int SItype __attribute__ ((mode (SI)));
72typedef unsigned int USItype __attribute__ ((mode (SI)));
73typedef int DItype __attribute__ ((mode (DI)));
74typedef int word_type __attribute__ ((mode (__word__)));
75
76struct DIstruct {SItype high, low;};
77
78typedef union
79{
80 struct DIstruct s;
81 DItype ll;
82} DIunion;
83
84DItype
85__muldi3 (DItype u, DItype v)
86{
87 DIunion w;
88 DIunion uu, vv;
89
90 uu.ll = u,
91 vv.ll = v;
92
93 w.ll = __umulsidi3 (uu.s.low, vv.s.low);
94 w.s.high += ((USItype) uu.s.low * (USItype) vv.s.high
95 + (USItype) uu.s.high * (USItype) vv.s.low);
96
97 return w.ll;
98}
diff --git a/arch/m68k/lib/muldi3_mm.c b/arch/m68k/lib/muldi3_mm.c
deleted file mode 100644
index be4f275649e3..000000000000
--- a/arch/m68k/lib/muldi3_mm.c
+++ /dev/null
@@ -1,63 +0,0 @@
1/* muldi3.c extracted from gcc-2.7.2.3/libgcc2.c and
2 gcc-2.7.2.3/longlong.h which is: */
3/* Copyright (C) 1989, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
4
5This file is part of GNU CC.
6
7GNU CC is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2, or (at your option)
10any later version.
11
12GNU CC is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GNU CC; see the file COPYING. If not, write to
19the Free Software Foundation, 59 Temple Place - Suite 330,
20Boston, MA 02111-1307, USA. */
21
22#define BITS_PER_UNIT 8
23
24#define umul_ppmm(w1, w0, u, v) \
25 __asm__ ("mulu%.l %3,%1:%0" \
26 : "=d" ((USItype)(w0)), \
27 "=d" ((USItype)(w1)) \
28 : "%0" ((USItype)(u)), \
29 "dmi" ((USItype)(v)))
30
31#define __umulsidi3(u, v) \
32 ({DIunion __w; \
33 umul_ppmm (__w.s.high, __w.s.low, u, v); \
34 __w.ll; })
35
36typedef int SItype __attribute__ ((mode (SI)));
37typedef unsigned int USItype __attribute__ ((mode (SI)));
38typedef int DItype __attribute__ ((mode (DI)));
39typedef int word_type __attribute__ ((mode (__word__)));
40
41struct DIstruct {SItype high, low;};
42
43typedef union
44{
45 struct DIstruct s;
46 DItype ll;
47} DIunion;
48
49DItype
50__muldi3 (DItype u, DItype v)
51{
52 DIunion w;
53 DIunion uu, vv;
54
55 uu.ll = u,
56 vv.ll = v;
57
58 w.ll = __umulsidi3 (uu.s.low, vv.s.low);
59 w.s.high += ((USItype) uu.s.low * (USItype) vv.s.high
60 + (USItype) uu.s.high * (USItype) vv.s.low);
61
62 return w.ll;
63}
diff --git a/arch/m68k/lib/muldi3_no.c b/arch/m68k/lib/muldi3_no.c
deleted file mode 100644
index 34af72c30303..000000000000
--- a/arch/m68k/lib/muldi3_no.c
+++ /dev/null
@@ -1,86 +0,0 @@
1/* muldi3.c extracted from gcc-2.7.2.3/libgcc2.c and
2 gcc-2.7.2.3/longlong.h which is: */
3/* Copyright (C) 1989, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
4
5This file is part of GNU CC.
6
7GNU CC is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2, or (at your option)
10any later version.
11
12GNU CC is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GNU CC; see the file COPYING. If not, write to
19the Free Software Foundation, 59 Temple Place - Suite 330,
20Boston, MA 02111-1307, USA. */
21
22#define BITS_PER_UNIT 8
23#define SI_TYPE_SIZE 32
24
25#define __BITS4 (SI_TYPE_SIZE / 4)
26#define __ll_B (1L << (SI_TYPE_SIZE / 2))
27#define __ll_lowpart(t) ((USItype) (t) % __ll_B)
28#define __ll_highpart(t) ((USItype) (t) / __ll_B)
29
30#define umul_ppmm(w1, w0, u, v) \
31 do { \
32 USItype __x0, __x1, __x2, __x3; \
33 USItype __ul, __vl, __uh, __vh; \
34 \
35 __ul = __ll_lowpart (u); \
36 __uh = __ll_highpart (u); \
37 __vl = __ll_lowpart (v); \
38 __vh = __ll_highpart (v); \
39 \
40 __x0 = (USItype) __ul * __vl; \
41 __x1 = (USItype) __ul * __vh; \
42 __x2 = (USItype) __uh * __vl; \
43 __x3 = (USItype) __uh * __vh; \
44 \
45 __x1 += __ll_highpart (__x0);/* this can't give carry */ \
46 __x1 += __x2; /* but this indeed can */ \
47 if (__x1 < __x2) /* did we get it? */ \
48 __x3 += __ll_B; /* yes, add it in the proper pos. */ \
49 \
50 (w1) = __x3 + __ll_highpart (__x1); \
51 (w0) = __ll_lowpart (__x1) * __ll_B + __ll_lowpart (__x0); \
52 } while (0)
53
54#define __umulsidi3(u, v) \
55 ({DIunion __w; \
56 umul_ppmm (__w.s.high, __w.s.low, u, v); \
57 __w.ll; })
58
59typedef int SItype __attribute__ ((mode (SI)));
60typedef unsigned int USItype __attribute__ ((mode (SI)));
61typedef int DItype __attribute__ ((mode (DI)));
62typedef int word_type __attribute__ ((mode (__word__)));
63
64struct DIstruct {SItype high, low;};
65
66typedef union
67{
68 struct DIstruct s;
69 DItype ll;
70} DIunion;
71
72DItype
73__muldi3 (DItype u, DItype v)
74{
75 DIunion w;
76 DIunion uu, vv;
77
78 uu.ll = u,
79 vv.ll = v;
80
81 w.ll = __umulsidi3 (uu.s.low, vv.s.low);
82 w.s.high += ((USItype) uu.s.low * (USItype) vv.s.high
83 + (USItype) uu.s.high * (USItype) vv.s.low);
84
85 return w.ll;
86}
generated by cgit v1.2.2 (git 2.25.0) at 2025-03-08 18:26:55 -0500