diff options
Diffstat (limited to 'sysdeps/loongarch/fpu/fesetmode.c')
-rw-r--r-- | sysdeps/loongarch/fpu/fesetmode.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/sysdeps/loongarch/fpu/fesetmode.c b/sysdeps/loongarch/fpu/fesetmode.c new file mode 100644 index 0000000000..fc52fc114b --- /dev/null +++ b/sysdeps/loongarch/fpu/fesetmode.c @@ -0,0 +1,38 @@ +/* Install given floating-point control modes. + Copyright (C) 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 0x1f1f0000 + +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; +} |