diff options
author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 15:19:34 +0000 |
---|---|---|
committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 15:20:08 +0000 |
commit | 72b2e72dc0f0bcc64f3a91f1e1d5986c186b7880 (patch) | |
tree | f9e635b447789995362b8aca162ad6d855bb28c2 /sysdeps/powerpc/fpu/fesetexcept.c | |
parent | 2838aa1289bec5055c33d2c00bfe6e3ed3d52e0f (diff) | |
parent | 9f9bd6ac848e9acee2c1072cdb14955c1abb8725 (diff) |
Merge commit 'refs/top-bases/t/UTIME' into t/UTIME
Diffstat (limited to 'sysdeps/powerpc/fpu/fesetexcept.c')
-rw-r--r-- | sysdeps/powerpc/fpu/fesetexcept.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/sysdeps/powerpc/fpu/fesetexcept.c b/sysdeps/powerpc/fpu/fesetexcept.c new file mode 100644 index 0000000000..85419c79f0 --- /dev/null +++ b/sysdeps/powerpc/fpu/fesetexcept.c @@ -0,0 +1,42 @@ +/* Set given exception flags. PowerPC version. + Copyright (C) 2016-2018 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 +fesetexcept (int excepts) +{ + fenv_union_t u, n; + + u.fenv = fegetenv_register (); + n.l = (u.l + | (excepts & FPSCR_STICKY_BITS) + /* Turn FE_INVALID into FE_INVALID_SOFTWARE. */ + | (excepts >> ((31 - FPSCR_VX) - (31 - FPSCR_VXSOFT)) + & FE_INVALID_SOFTWARE)); + if (n.l != u.l) + { + fesetenv_register (n.fenv); + + /* Deal with FE_INVALID_SOFTWARE not being implemented on some chips. */ + if (excepts & FE_INVALID) + feraiseexcept (FE_INVALID); + } + + return 0; +} |