Mercurial > hg > CbC > CbC_gcc

annotate gcc/config/mep/mep-lib2.c @ 55:77e2b8dfacca gcc-4.4.5

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
update it from 4.4.3 to 4.5.0
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Fri, 12 Feb 2010 23:39:51 +0900
parents
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1 /* libgcc routines for MeP.
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
2 Copyright 2001, 2002, 2009 Free Software Foundation, Inc
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
3
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
4 This file is free software; you can redistribute it and/or modify it
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
5 under the terms of the GNU General Public License as published by the
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
6 Free Software Foundation; either version 3 of the License, or (at your
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
7 option) any later version.
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
8
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
9 This file is distributed in the hope that it will be useful, but
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
10 WITHOUT ANY WARRANTY; without even the implied warranty of
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
12 General Public License for more details.
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
13
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
14 Under Section 7 of GPL version 3, you are granted additional
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
15 permissions described in the GCC Runtime Library Exception, version
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
16 3.1, as published by the Free Software Foundation.
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
17
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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18 You should have received a copy of the GNU General Public License and
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
19 a copy of the GCC Runtime Library Exception along with this program;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
20 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
21 <http://www.gnu.org/licenses/>. */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
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22
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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23 typedef int SItype __attribute__ ((mode (SI)));
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ryoma <e075725@ie.u-ryukyu.ac.jp>
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24 typedef unsigned int USItype __attribute__ ((mode (SI)));
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ryoma <e075725@ie.u-ryukyu.ac.jp>
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25
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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26 typedef int word_type __attribute__ ((mode (__word__)));
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ryoma <e075725@ie.u-ryukyu.ac.jp>
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27
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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28 USItype
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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29 __mulsi3 (USItype a, USItype b)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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30 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
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31 USItype c = 0;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
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32
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
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diff changeset
33 while (a != 0)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
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34 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
35 if (a & 1)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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36 c += b;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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37 a >>= 1;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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38 b <<= 1;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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39 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
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40
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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41 return c;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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42 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
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43
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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44
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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45
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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46 USItype
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
47 udivmodsi4(USItype num, USItype den, word_type modwanted)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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48 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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49 USItype bit = 1;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
50 USItype res = 0;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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51
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
52 while (den < num && bit && !(den & (1L<<31)))
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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53 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
54 den <<=1;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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55 bit <<=1;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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56 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
57 while (bit)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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58 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
59 if (num >= den)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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60 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
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61 num -= den;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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62 res |= bit;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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63 }
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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64 bit >>=1;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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65 den >>=1;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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66 }
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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67 if (modwanted) return num;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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68 return res;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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69 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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70
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
71
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
72
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
73 SItype
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
74 __divsi3 (SItype a, SItype b)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
75 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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76 word_type neg = 0;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
77 SItype res;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
78
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
79 if (a < 0)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
80 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
81 a = -a;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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82 neg = !neg;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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83 }
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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84
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
85 if (b < 0)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
86 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
87 b = -b;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
88 neg = !neg;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
89 }
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
90
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
91 res = udivmodsi4 (a, b, 0);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
92
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
93 if (neg)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
94 res = -res;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
95
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
96 return res;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
97 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
98
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
99
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
100
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
101 SItype
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
102 __modsi3 (SItype a, SItype b)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
103 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
104 word_type neg = 0;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
105 SItype res;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
106
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
107 if (a < 0)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
108 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
109 a = -a;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
110 neg = 1;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
111 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
112
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
113 if (b < 0)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
114 b = -b;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
115
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
116 res = udivmodsi4 (a, b, 1);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
117
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
118 if (neg)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
119 res = -res;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
120
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
121 return res;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
122 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
123
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
124
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
125
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
126
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
127 SItype
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
128 __udivsi3 (SItype a, SItype b)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
129 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
130 return udivmodsi4 (a, b, 0);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
131 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
132
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
133
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
134
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
135 SItype
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
136 __umodsi3 (SItype a, SItype b)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
137 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
138 return udivmodsi4 (a, b, 1);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
139 }