diff options
author | Joseph Myers <joseph@codesourcery.com> | 2012-07-01 13:08:59 +0000 |
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committer | Joseph Myers <joseph@codesourcery.com> | 2012-07-01 13:08:59 +0000 |
commit | e84eabb3871c9b39e59323bf3f6b98c2ca9d1cd0 (patch) | |
tree | dff3f1b79454b518d15a7b9bbedeb57ff156bbe8 /ports/sysdeps/tile/bits/fenv.h | |
parent | 75f0d3040a2c2de8842bfa7a09e11da1a73e17d0 (diff) | |
parent | e64ac02c24b43659048622714afdc92fedf561fa (diff) |
Merge glibc-ports into ports/ directory.glibc-2.16-ports-merge
Diffstat (limited to 'ports/sysdeps/tile/bits/fenv.h')
-rw-r--r-- | ports/sysdeps/tile/bits/fenv.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/ports/sysdeps/tile/bits/fenv.h b/ports/sysdeps/tile/bits/fenv.h new file mode 100644 index 0000000000..7638e8cc50 --- /dev/null +++ b/ports/sysdeps/tile/bits/fenv.h @@ -0,0 +1,44 @@ +/* Copyright (C) 2011 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. + + 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/>. */ + +#ifndef _FENV_H +# error "Never use <bits/fenv.h> directly; include <fenv.h> instead." +#endif + +/* The TILE-Gx hardware does not provide floating-point exception + handling, and TILEPro does not support any floating-point operations. */ +#define FE_ALL_EXCEPT 0 + +/* TILE-Gx supports only round-to-nearest. The software + floating-point support also acts this way. */ +enum + { + __FE_UNDEFINED = 0, + + FE_TONEAREST = 1, +#define FE_TONEAREST FE_TONEAREST + }; + +/* Type representing exception flags (if there were any). */ +typedef unsigned int fexcept_t; + +/* Type representing floating-point environment. */ +typedef unsigned int fenv_t; + +/* If the default argument is used we use this value. */ +#define FE_DFL_ENV ((const fenv_t *) -1l) |