3970a8797b
* lib/libtcc1.c: Support building without long long, float support.
215 lines
4 KiB
C
215 lines
4 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of GNU Mes.
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*
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* GNU Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* GNU Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <mes/lib.h>
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double
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__divdi3 (double a, double b)
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{
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static int stub = 0;
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if (__mes_debug () && !stub)
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eputs ("__divdi3 stub\n");
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stub = 1;
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return ((long) a / (long) b);
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}
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double
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__moddi3 (double a, double b)
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{
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static int stub = 0;
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if (__mes_debug () && !stub)
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eputs ("__moddi3 stub\n");
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stub = 1;
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return ((long) a % (long) b);
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}
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#if HAVE_LONG_LONG
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unsigned long long
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__udivdi3 (unsigned long long a, unsigned long long b)
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#else
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unsigned long
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__udivdi3 (unsigned long a, long ah, unsigned long b)
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#endif
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{
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static int stub = 0;
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if (__mes_debug () && !stub)
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eputs ("__udivdi3 stub\n");
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stub = 1;
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if (!b)
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return 0;
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unsigned long ai = a;
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unsigned long bi = b;
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return ai / bi;
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}
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#if HAVE_LONG_LONG
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unsigned long long
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__umoddi3 (unsigned long long a, unsigned long long b)
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#else
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unsigned long
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__umoddi3 (unsigned long a, long ah, unsigned long b)
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#endif
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{
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static int stub = 0;
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if (__mes_debug () && !stub)
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eputs ("__umoddi3 stub\n");
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stub = 1;
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unsigned long ai = a;
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unsigned long bi = b;
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return ai % bi;
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}
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#if HAVE_LONG_LONG
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unsigned long long
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__lshrdi3 (unsigned long long a, long b)
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#else
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unsigned long
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__lshrdi3 (unsigned long a, long ah, long b)
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#endif
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{
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static int stub = 0;
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if (__mes_debug () && !stub)
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eputs ("__lshrdi3 stub\n");
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stub = 1;
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#if 0 // In some instances, this recurses
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return a >> b;
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#else
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for (int i = 0; i < b; i++)
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a /= 2;
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return a;
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#endif
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}
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#if HAVE_LONG_LONG
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long long
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__ashldi3 (long long a, long b)
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#else
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long
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__ashldi3 (long a, long ah, long b)
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#endif
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{
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static int stub = 0;
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if (__mes_debug () && !stub)
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eputs ("__ashldi3 stub\n");
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stub = 1;
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#if 0 // In some instances, this recurses
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return a << b;
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#else
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for (int i = 0; i < b; i++)
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a += a;
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return a;
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#endif
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}
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#if HAVE_LONG_LONG
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long long
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__ashrdi3 (long long a, long b)
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#else
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long
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__ashrdi3 (long a, long ah, long b)
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#endif
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{
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static int stub = 0;
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if (__mes_debug () && !stub)
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eputs ("__ashrdi3 stub\n");
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stub = 1;
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#if 0 // In some instances, this recurses
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return a >> b;
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#else
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for (int i = 0; i < b; i++)
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a /= 2;
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return a;
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#endif
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}
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#if HAVE_LONG_LONG && HAVE_FLOAT
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long double
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__floatundixf (unsigned long long a)
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#else
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double
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__floatundixf (unsigned long a)
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#endif
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{
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static int stub = 0;
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if (__mes_debug () && !stub)
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eputs ("__floatundixf stub\n");
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stub = 1;
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return 0;
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}
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#if HAVE_LONG_LONG
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unsigned long long
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#else
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unsigned long
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#endif
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__fixunsxfdi (double a1)
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{
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static int stub = 0;
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if (__mes_debug () && !stub)
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eputs ("__fixunsxfdi stub\n");
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stub = 1;
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return 0;
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}
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#if __TINYC__ == 9226
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long
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#elif __TINYC__
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int
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#else // !__TINYCC__
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long long
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#endif // !__TINYCC__
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__fixdfdi (double a1)
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{
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static int stub = 0;
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if (__mes_debug () && !stub)
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eputs ("__fixdfdi stub\n");
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stub = 1;
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return 0;
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}
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#if HAVE_LONG_LONG
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unsigned long long
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__fixxfdi (double a1)
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#else
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unsigned long
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__fixxfdi (double a1)
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#endif
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{
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static int stub = 0;
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if (__mes_debug () && !stub)
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eputs ("__fixxfdi stub\n");
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stub = 1;
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return 0;
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}
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#if HAVE_LONG_LONG
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long long
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#else
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long
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#endif
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__fixsfdi (double a1)
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{
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static int stub = 0;
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if (__mes_debug () && !stub)
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eputs ("__fixsfdi stub\n");
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stub = 1;
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return 0;
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}
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