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/* Extracted from gcc-3.4.1/gcc/config/mips/_tilibi.c */
/* A few TImode functions needed for TFmode emulated arithmetic.
Copyright 2002, 2003 Free Software Foundation, Inc.
Contributed by Alexandre Oliva <aoliva@redhat.com>
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 2, 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.
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 Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "libgcc.h"
#if defined(__sparc__) || defined(__ppc__)
#define LIBGCC2_WORDS_BIG_ENDIAN
#endif
typedef union
{
struct TIstruct {
#if defined(LIBGCC2_WORDS_BIG_ENDIAN)
DItype high, low;
#else
DItype low, high;
#endif
} s;
TItype ll;
} TIunion;
TItype
__negti2 (TItype u)
{
TIunion w;
TIunion uu;
uu.ll = u;
w.s.low = -uu.s.low;
w.s.high = -uu.s.high - ((UDItype) w.s.low > 0);
return w.ll;
}
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