29 lines
1.0 KiB
C
29 lines
1.0 KiB
C
|
/* Store current floating-point control modes. x86_64 version.
|
||
|
|
Copyright (C) 2016-2022 Free Software Foundation, Inc.
|
||
|
|
This file is part of the GNU C Library.
|
||
|
|
|
||
|
|
The GNU C Library is free software; you can redistribute it and/or
|
||
|
|
modify it under the terms of the GNU Lesser General Public
|
||
|
|
License as published by the Free Software Foundation; either
|
||
|
|
version 2.1 of the License, or (at your option) any later version.
|
||
|
|
|
||
|
|
The GNU C Library 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
|
||
|
|
Lesser General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU Lesser General Public
|
||
|
|
License along with the GNU C Library; if not, see
|
||
|
|
<https://www.gnu.org/licenses/>. */
|
||
|
|
|
||
|
|
#include <fenv.h>
|
||
|
|
#include <fpu_control.h>
|
||
|
|
|
||
|
|
int
|
||
|
|
fegetmode (femode_t *modep)
|
||
|
|
{
|
||
|
|
_FPU_GETCW (modep->__control_word);
|
||
|
|
__asm__ ("stmxcsr %0" : "=m" (modep->__mxcsr));
|
||
|
|
return 0;
|
||
|
|
}
|