Retro68/gcc/libgcc/config/msp430/lib2mul.c
2017-10-07 02:16:47 +02:00

74 lines
2.0 KiB
C

/* libgcc routines for MSP430
Copyright (C) 2005-2017 Free Software Foundation, Inc.
Contributed by Red Hat.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3, or (at your
option) any later version.
GCC is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
typedef unsigned int uint32_type __attribute__ ((mode (SI)));
typedef unsigned int uint16_type __attribute__ ((mode (HI)));
typedef unsigned int uint08_type __attribute__ ((mode (QI)));
#define C3B(a,b,c) a##b##c
#define C3(a,b,c) C3B(a,b,c)
#if defined MUL_NONE
/* The software multiply library needs __mspabi_mpyll. */
#undef UINT_TYPE
#undef BITS_MINUS_1
#undef NAME_MODE
#define UINT_TYPE uint32_type
#define BITS_MINUS_1 31
#define NAME_MODE si
#include "msp430-mul.h"
#elif defined MUL_16
signed long long
__mspabi_mpysll (signed long a, signed long b)
{
return (signed long long) a * (signed long long) b;
}
unsigned long long
__mspabi_mpyull (unsigned long a, unsigned long b)
{
return (unsigned long long) a * (unsigned long long) b;
}
#else
#undef UINT_TYPE
#undef BITS_MINUS_1
#undef NAME_MODE
#define UINT_TYPE uint08_type
#define BITS_MINUS_1 7
#define NAME_MODE qi
#include "msp430-mul.h"
#endif /* MUL_NONE */