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author | Joseph Myers <joseph@codesourcery.com> | 2016-08-16 16:22:12 +0000 |
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committer | Joseph Myers <joseph@codesourcery.com> | 2016-08-16 16:22:12 +0000 |
commit | b22be8c36833338070c911081c9f0a83a1fbe3d5 (patch) | |
tree | 171e1167b7b1b3d9227d605feee28140cdee9831 /sysdeps/powerpc/powerpc32/e500/nofpu | |
parent | 760c61e944158c134d3d6209b127a5c3ac194d76 (diff) | |
download | glibc-b22be8c36833338070c911081c9f0a83a1fbe3d5.tar.gz glibc-b22be8c36833338070c911081c9f0a83a1fbe3d5.tar.xz glibc-b22be8c36833338070c911081c9f0a83a1fbe3d5.zip |
Add fesetexcept: powerpc.
This patch adds PowerPC versions of fesetexcept. * sysdeps/powerpc/fpu/fesetexcept.c: New file. * sysdeps/powerpc/nofpu/fesetexcept.c: Likewise. * sysdeps/powerpc/powerpc32/e500/nofpu/fesetexcept.c: Likewise.
Diffstat (limited to 'sysdeps/powerpc/powerpc32/e500/nofpu')
-rw-r--r-- | sysdeps/powerpc/powerpc32/e500/nofpu/fesetexcept.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc32/e500/nofpu/fesetexcept.c b/sysdeps/powerpc/powerpc32/e500/nofpu/fesetexcept.c new file mode 100644 index 0000000000..ff82f223ed --- /dev/null +++ b/sysdeps/powerpc/powerpc32/e500/nofpu/fesetexcept.c @@ -0,0 +1,37 @@ +/* Set given exception flags. e500 version. + Copyright (C) 2016 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) +{ + unsigned long old_spefscr, spefscr; + int excepts_spe = __fexcepts_to_spe (excepts); + + old_spefscr = fegetenv_register (); + spefscr = old_spefscr | excepts_spe; + 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 (); + + return 0; +} |