Mercurial > hg > CbC > CbC_gcc
comparison gcc/config/ia64/crtfastmath.c @ 0:a06113de4d67
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author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
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-1:000000000000 | 0:a06113de4d67 |
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1 /* Copyright (C) 2001, 2005, 2009 Free Software Foundation, Inc. | |
2 Contributed by David Mosberger <davidm@hpl.hp.com>. | |
3 | |
4 This file is part of GCC. | |
5 | |
6 GCC is free software; you can redistribute it and/or modify | |
7 it under the terms of the GNU General Public License as published by | |
8 the Free Software Foundation; either version 3, or (at your option) | |
9 any later version. | |
10 | |
11 GCC is distributed in the hope that it will be useful, | |
12 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 GNU General Public License for more details. | |
15 | |
16 Under Section 7 of GPL version 3, you are granted additional | |
17 permissions described in the GCC Runtime Library Exception, version | |
18 3.1, as published by the Free Software Foundation. | |
19 | |
20 You should have received a copy of the GNU General Public License and | |
21 a copy of the GCC Runtime Library Exception along with this program; | |
22 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 <http://www.gnu.org/licenses/>. */ | |
24 | |
25 /* We could call fesetenv() here but that would create a confusing | |
26 dependency on libm (since that is where fesetenv() gets defined. | |
27 To avoid this, just do everything locally. */ | |
28 #define FE_NONIEEE_ENV 0x0009a04d0270037f | |
29 | |
30 static void __attribute__((constructor)) | |
31 __ia64_set_fast_math (void) | |
32 { | |
33 __asm__ __volatile__ ("mov.m ar.fpsr=%0" : : "r"(FE_NONIEEE_ENV)); | |
34 } |