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author | Joseph Myers <joseph@codesourcery.com> | 2013-10-18 21:03:40 +0000 |
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committer | Joseph Myers <joseph@codesourcery.com> | 2013-10-18 21:04:22 +0000 |
commit | 3c8325fb47c3688cc7d9b70ada2ec71fb0eb219a (patch) | |
tree | eb315c426bd9c1f5aa42f40f6e9e74f2d7aabcd3 /sysdeps/powerpc/powerpc32/e500/nofpu/fsetexcptflg.c | |
parent | 289528850de3c197821e0b670b23980ff8b4d538 (diff) | |
download | glibc-3c8325fb47c3688cc7d9b70ada2ec71fb0eb219a.tar.gz glibc-3c8325fb47c3688cc7d9b70ada2ec71fb0eb219a.tar.xz glibc-3c8325fb47c3688cc7d9b70ada2ec71fb0eb219a.zip |
Add e500 port.
Diffstat (limited to 'sysdeps/powerpc/powerpc32/e500/nofpu/fsetexcptflg.c')
-rw-r--r-- | sysdeps/powerpc/powerpc32/e500/nofpu/fsetexcptflg.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc32/e500/nofpu/fsetexcptflg.c b/sysdeps/powerpc/powerpc32/e500/nofpu/fsetexcptflg.c new file mode 100644 index 0000000000..43f2d19d17 --- /dev/null +++ b/sysdeps/powerpc/powerpc32/e500/nofpu/fsetexcptflg.c @@ -0,0 +1,55 @@ +/* Set floating-point environment exception handling. e500 version. + Copyright (C) 1997-2013 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_libc.h> + +int +__fesetexceptflag (const fexcept_t *flagp, int excepts) +{ + unsigned long old_spefscr, spefscr; + fexcept_t flag; + int excepts_spe = __fexcepts_to_spe (excepts); + + /* Get the current state. */ + old_spefscr = fegetenv_register (); + + /* Ignore exceptions not listed in 'excepts'. */ + flag = *flagp & excepts_spe; + + /* Replace the exception status */ + spefscr = (old_spefscr & ~excepts_spe) | flag; + + /* Store the new status word (along with the rest of the environment). */ + fesetenv_register (spefscr); + + /* If the state of the "invalid" or "underflow" flag has changed, + inform the kernel. */ + if (((spefscr ^ old_spefscr) & (SPEFSCR_FINVS | SPEFSCR_FUNFS)) != 0) + __fe_note_change (); + + /* Success. */ + return 0; +} + +#include <shlib-compat.h> +#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) +strong_alias (__fesetexceptflag, __old_fesetexceptflag) +compat_symbol (libm, __old_fesetexceptflag, fesetexceptflag, GLIBC_2_1); +#endif + +versioned_symbol (libm, __fesetexceptflag, fesetexceptflag, GLIBC_2_2); |