mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-02 09:40:13 +00:00
04277e02d7
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/* Install given floating-point control modes. IA64 version.
|
|
Copyright (C) 2016-2019 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
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <fenv.h>
|
|
|
|
#define FPSR_STATUS 0x1f80UL
|
|
#define FPSR_STATUS_ALL ((FPSR_STATUS << 6) | (FPSR_STATUS << 19) \
|
|
| (FPSR_STATUS << 32) | (FPSR_STATUS << 45))
|
|
|
|
int
|
|
fesetmode (const femode_t *modep)
|
|
{
|
|
femode_t mode;
|
|
|
|
/* As in fesetenv. */
|
|
if (((fenv_t) modep >> 62) == 0x03)
|
|
mode = (femode_t) modep & 0x3fffffffffffffffUL;
|
|
else
|
|
mode = *modep;
|
|
|
|
femode_t fpsr;
|
|
__asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
|
|
fpsr = (fpsr & FPSR_STATUS_ALL) | (mode & ~FPSR_STATUS_ALL);
|
|
__asm__ __volatile__ ("mov.m ar.fpsr=%0;;" :: "r" (fpsr));
|
|
|
|
return 0;
|
|
}
|