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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [alpha/] [crtfastmath.c] - Rev 282
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/* * Copyright (C) 2001, 2009 Free Software Foundation, Inc. * Contributed by Richard Henderson (rth@redhat.com) * * This file 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. * * This file 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/>. */ /* Assume OSF/1 compatible interfaces. */ extern void __ieee_set_fp_control (unsigned long int); #define IEEE_MAP_DMZ (1UL<<12) /* Map denorm inputs to zero */ #define IEEE_MAP_UMZ (1UL<<13) /* Map underflowed outputs to zero */ static void __attribute__((constructor)) set_fast_math (void) { __ieee_set_fp_control (IEEE_MAP_DMZ | IEEE_MAP_UMZ); }