blob: 091a698b654c9c182ffd49bbc6731c5b88566e01 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
/*
* Copyright (C) 2014-2020 Free Software Foundation, Inc.
*
* 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/>.
*/
#define _FPU_FPCR_FZ 0x1000000
#define _FPU_SETCW(fpcr) \
{ \
__asm__ __volatile__ ("msr fpcr, %0" : : "r" (fpcr)); \
}
static void __attribute__((constructor))
set_fast_math (void)
{
/* Flush to zero, round to nearest, IEEE exceptions disabled. */
_FPU_SETCW (_FPU_FPCR_FZ);
}
|
