diff options
Diffstat (limited to 'ports/sysdeps/mips/fpu/fsetexcptflg.c')
-rw-r--r-- | ports/sysdeps/mips/fpu/fsetexcptflg.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/ports/sysdeps/mips/fpu/fsetexcptflg.c b/ports/sysdeps/mips/fpu/fsetexcptflg.c new file mode 100644 index 0000000000..2118db0e5f --- /dev/null +++ b/ports/sysdeps/mips/fpu/fsetexcptflg.c @@ -0,0 +1,42 @@ +/* Set floating-point environment exception handling. + Copyright (C) 1998, 1999, 2000, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Hartvig Ekner <hartvige@mips.com>, 2002. + + 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> +#include <fpu_control.h> + +int +fesetexceptflag (const fexcept_t *flagp, int excepts) +{ + fpu_control_t temp; + + /* Get the current exceptions. */ + _FPU_GETCW (temp); + + /* Make sure the flags we want restored are legal. */ + excepts &= FE_ALL_EXCEPT; + + /* Now clear the bits called for, and copy them in from flagp. Note that + we ignore all non-flag bits from *flagp, so they don't matter. */ + temp = (temp & ~excepts) | (*flagp & excepts); + + _FPU_SETCW (temp); + + /* Success. */ + return 0; +} |