/* libgcc routines for R8C/M16C/M32C
|
/* libgcc routines for R8C/M16C/M32C
|
Copyright (C) 2005
|
Copyright (C) 2005
|
Free Software Foundation, Inc.
|
Free Software Foundation, Inc.
|
Contributed by Red Hat.
|
Contributed by Red Hat.
|
|
|
This file is part of GCC.
|
This file is part of GCC.
|
|
|
GCC is free software; you can redistribute it and/or modify it
|
GCC is free software; you can redistribute it and/or modify it
|
under the terms of the GNU General Public License as published
|
under the terms of the GNU General Public License as published
|
by the Free Software Foundation; either version 2, or (at your
|
by the Free Software Foundation; either version 2, or (at your
|
option) any later version.
|
option) any later version.
|
|
|
In addition to the permissions in the GNU General Public License,
|
In addition to the permissions in the GNU General Public License,
|
the Free Software Foundation gives you unlimited permission to link
|
the Free Software Foundation gives you unlimited permission to link
|
the compiled version of this file into combinations with other
|
the compiled version of this file into combinations with other
|
programs, and to distribute those combinations without any
|
programs, and to distribute those combinations without any
|
restriction coming from the use of this file. (The General Public
|
restriction coming from the use of this file. (The General Public
|
License restrictions do apply in other respects; for example, they
|
License restrictions do apply in other respects; for example, they
|
cover modification of the file, and distribution when not linked
|
cover modification of the file, and distribution when not linked
|
into a combine executable.)
|
into a combine executable.)
|
|
|
GCC is distributed in the hope that it will be useful, but WITHOUT
|
GCC is distributed in the hope that it will be useful, but WITHOUT
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
License for more details.
|
License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with GCC; see the file COPYING. If not, write to the Free
|
along with GCC; see the file COPYING. If not, write to the Free
|
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
|
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
|
02110-1301, USA. */
|
02110-1301, USA. */
|
|
|
typedef int HItype __attribute__ ((mode (HI)));
|
typedef int HItype __attribute__ ((mode (HI)));
|
typedef unsigned int UHItype __attribute__ ((mode (HI)));
|
typedef unsigned int UHItype __attribute__ ((mode (HI)));
|
typedef int SItype __attribute__ ((mode (SI)));
|
typedef int SItype __attribute__ ((mode (SI)));
|
typedef unsigned int USItype __attribute__ ((mode (SI)));
|
typedef unsigned int USItype __attribute__ ((mode (SI)));
|
|
|
typedef int word_type __attribute__ ((mode (__word__)));
|
typedef int word_type __attribute__ ((mode (__word__)));
|
|
|
USItype udivmodsi4 (USItype num, USItype den, word_type modwanted);
|
USItype udivmodsi4 (USItype num, USItype den, word_type modwanted);
|
SItype __divsi3 (SItype a, SItype b);
|
SItype __divsi3 (SItype a, SItype b);
|
SItype __modsi3 (SItype a, SItype b);
|
SItype __modsi3 (SItype a, SItype b);
|
SItype __udivsi3 (SItype a, SItype b);
|
SItype __udivsi3 (SItype a, SItype b);
|
SItype __umodsi3 (SItype a, SItype b);
|
SItype __umodsi3 (SItype a, SItype b);
|
|
|
USItype
|
USItype
|
udivmodsi4 (USItype num, USItype den, word_type modwanted)
|
udivmodsi4 (USItype num, USItype den, word_type modwanted)
|
{
|
{
|
USItype bit = 1;
|
USItype bit = 1;
|
USItype res = 0;
|
USItype res = 0;
|
|
|
while (den < num && bit && !(den & (1L << 31)))
|
while (den < num && bit && !(den & (1L << 31)))
|
{
|
{
|
den <<= 1;
|
den <<= 1;
|
bit <<= 1;
|
bit <<= 1;
|
}
|
}
|
while (bit)
|
while (bit)
|
{
|
{
|
if (num >= den)
|
if (num >= den)
|
{
|
{
|
num -= den;
|
num -= den;
|
res |= bit;
|
res |= bit;
|
}
|
}
|
bit >>= 1;
|
bit >>= 1;
|
den >>= 1;
|
den >>= 1;
|
}
|
}
|
if (modwanted)
|
if (modwanted)
|
return num;
|
return num;
|
return res;
|
return res;
|
}
|
}
|
|
|
|
|
|
|
SItype
|
SItype
|
__divsi3 (SItype a, SItype b)
|
__divsi3 (SItype a, SItype b)
|
{
|
{
|
word_type neg = 0;
|
word_type neg = 0;
|
SItype res;
|
SItype res;
|
|
|
if (a < 0)
|
if (a < 0)
|
{
|
{
|
a = -a;
|
a = -a;
|
neg = !neg;
|
neg = !neg;
|
}
|
}
|
|
|
if (b < 0)
|
if (b < 0)
|
{
|
{
|
b = -b;
|
b = -b;
|
neg = !neg;
|
neg = !neg;
|
}
|
}
|
|
|
res = udivmodsi4 (a, b, 0);
|
res = udivmodsi4 (a, b, 0);
|
|
|
if (neg)
|
if (neg)
|
res = -res;
|
res = -res;
|
|
|
return res;
|
return res;
|
}
|
}
|
|
|
|
|
|
|
SItype
|
SItype
|
__modsi3 (SItype a, SItype b)
|
__modsi3 (SItype a, SItype b)
|
{
|
{
|
word_type neg = 0;
|
word_type neg = 0;
|
SItype res;
|
SItype res;
|
|
|
if (a < 0)
|
if (a < 0)
|
{
|
{
|
a = -a;
|
a = -a;
|
neg = 1;
|
neg = 1;
|
}
|
}
|
|
|
if (b < 0)
|
if (b < 0)
|
b = -b;
|
b = -b;
|
|
|
res = udivmodsi4 (a, b, 1);
|
res = udivmodsi4 (a, b, 1);
|
|
|
if (neg)
|
if (neg)
|
res = -res;
|
res = -res;
|
|
|
return res;
|
return res;
|
}
|
}
|
|
|
|
|
|
|
|
|
SItype
|
SItype
|
__udivsi3 (SItype a, SItype b)
|
__udivsi3 (SItype a, SItype b)
|
{
|
{
|
return udivmodsi4 (a, b, 0);
|
return udivmodsi4 (a, b, 0);
|
}
|
}
|
|
|
|
|
|
|
SItype
|
SItype
|
__umodsi3 (SItype a, SItype b)
|
__umodsi3 (SItype a, SItype b)
|
{
|
{
|
return udivmodsi4 (a, b, 1);
|
return udivmodsi4 (a, b, 1);
|
}
|
}
|
|
|