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author | Joseph Myers <joseph@codesourcery.com> | 2013-11-28 18:01:41 +0000 |
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committer | Joseph Myers <joseph@codesourcery.com> | 2013-11-28 18:01:41 +0000 |
commit | 91a1f3fea0d6c5bc304562c313171d8cf765b910 (patch) | |
tree | cedfe14a991428df523ce3c88eb6ec5c7ce8bfdd /sysdeps/powerpc/powerpc32/e500/nofpu/flt-rounds.c | |
parent | c5df760908de1ccfd92571864bc44a3d54820ac6 (diff) | |
download | glibc-91a1f3fea0d6c5bc304562c313171d8cf765b910.tar.gz |
Add powerpc-nofpu/e500 support functions for atomic compound assignment and FLT_ROUNDS.
Diffstat (limited to 'sysdeps/powerpc/powerpc32/e500/nofpu/flt-rounds.c')
-rw-r--r-- | sysdeps/powerpc/powerpc32/e500/nofpu/flt-rounds.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc32/e500/nofpu/flt-rounds.c b/sysdeps/powerpc/powerpc32/e500/nofpu/flt-rounds.c new file mode 100644 index 0000000000..49e6eeb614 --- /dev/null +++ b/sysdeps/powerpc/powerpc32/e500/nofpu/flt-rounds.c @@ -0,0 +1,39 @@ +/* Return current rounding mode as correct value for FLT_ROUNDS. e500 + version. + Copyright (C) 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> +#include <stdlib.h> + +int +__flt_rounds (void) +{ + switch (fegetenv_register () & SPEFSCR_FRMC) + { + case FE_TOWARDZERO: + return 0; + case FE_TONEAREST: + return 1; + case FE_UPWARD: + return 2; + case FE_DOWNWARD: + return 3; + default: + abort (); + } +} |