39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
|
/* Install given floating-point control modes. MIPS 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>
|
||
|
|
|
||
|
|
#define FCSR_STATUS 0xfe83f07c
|
||
|
|
|
||
|
|
int
|
||
|
|
fesetmode (const femode_t *modep)
|
||
|
|
{
|
||
|
|
fpu_control_t cw;
|
||
|
|
|
||
|
|
_FPU_GETCW (cw);
|
||
|
|
cw &= FCSR_STATUS;
|
||
|
|
if (modep == FE_DFL_MODE)
|
||
|
|
cw |= _FPU_DEFAULT;
|
||
|
|
else
|
||
|
|
cw |= *modep & ~FCSR_STATUS;
|
||
|
|
_FPU_SETCW (cw);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|