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1 /* Copyright (C) 2001, 2005, 2009 Free Software Foundation, Inc.
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2 Contributed by David Mosberger <davidm@hpl.hp.com>.
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3
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4 This file is part of GCC.
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5
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6 GCC is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 3, or (at your option)
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9 any later version.
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10
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11 GCC is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 Under Section 7 of GPL version 3, you are granted additional
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17 permissions described in the GCC Runtime Library Exception, version
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18 3.1, as published by the Free Software Foundation.
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19
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20 You should have received a copy of the GNU General Public License and
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21 a copy of the GCC Runtime Library Exception along with this program;
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22 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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23 <http://www.gnu.org/licenses/>. */
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24
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25 /* We could call fesetenv() here but that would create a confusing
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26 dependency on libm (since that is where fesetenv() gets defined.
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27 To avoid this, just do everything locally. */
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28 #define FE_NONIEEE_ENV 0x0009a04d0270037f
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29
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30 static void __attribute__((constructor))
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31 __ia64_set_fast_math (void)
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32 {
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33 __asm__ __volatile__ ("mov.m ar.fpsr=%0" : : "r"(FE_NONIEEE_ENV));
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34 }
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