libgcc/soft-fp/negtf2.c

1.1  mrg /* Software floating-point emulation.
1.1  mrg    Return -a
1.1  mrg    Copyright (C) 1997,1999,2006 Free Software Foundation, Inc.
1.1  mrg    This file is part of the GNU C Library.
1.1  mrg    Contributed by Richard Henderson (rth (at) cygnus.com) and
1.1  mrg 		  Jakub Jelinek (jj (at) ultra.linux.cz).
1.1  mrg
1.1  mrg    The GNU C Library is free software; you can redistribute it and/or
1.1  mrg    modify it under the terms of the GNU Lesser General Public
1.1  mrg    License as published by the Free Software Foundation; either
1.1  mrg    version 2.1 of the License, or (at your option) any later version.
1.1  mrg
1.1  mrg    In addition to the permissions in the GNU Lesser General Public
1.1  mrg    License, the Free Software Foundation gives you unlimited
1.1  mrg    permission to link the compiled version of this file into
1.1  mrg    combinations with other programs, and to distribute those
1.1  mrg    combinations without any restriction coming from the use of this
1.1  mrg    file.  (The Lesser General Public License restrictions do apply in
1.1  mrg    other respects; for example, they cover modification of the file,
1.1  mrg    and distribution when not linked into a combine executable.)
1.1  mrg
1.1  mrg    The GNU C Library is distributed in the hope that it will be useful,
1.1  mrg    but WITHOUT ANY WARRANTY; without even the implied warranty of
1.1  mrg    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
1.1  mrg    Lesser General Public License for more details.
1.1  mrg
1.1  mrg    You should have received a copy of the GNU Lesser General Public
1.1  mrg    License along with the GNU C Library; if not, see
1.1  mrg    <http://www.gnu.org/licenses/>.  */
1.1  mrg
1.1  mrg #include "soft-fp.h"
1.1  mrg #include "quad.h"
1.1  mrg
1.1  mrg TFtype __negtf2(TFtype a)
1.1  mrg {
1.1  mrg   FP_DECL_EX;
1.1  mrg   FP_DECL_Q(A); FP_DECL_Q(R);
1.1  mrg   TFtype r;
1.1  mrg
1.1  mrg   FP_UNPACK_Q(A, a);
1.1  mrg   FP_NEG_Q(R, A);
1.1  mrg   FP_PACK_Q(r, R);
1.1  mrg   FP_CLEAR_EXCEPTIONS;
1.1  mrg   FP_HANDLE_EXCEPTIONS;
1.1  mrg
1.1  mrg   return r;
1.1  mrg }