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author | joseph <joseph@7b3dc134-2b1b-0410-93df-9e9f96275f8d> | 2012-07-03 19:31:47 +0000 |
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committer | joseph <joseph@7b3dc134-2b1b-0410-93df-9e9f96275f8d> | 2012-07-03 19:31:47 +0000 |
commit | f6c15fd48a4bf9a3675dc4570f9a06eef0e04096 (patch) | |
tree | 334d4c1a45185e5f9e0f51caca62140dfa16f72b /libc/ports/sysdeps/alpha/fpu/fsetexcptflg.c | |
parent | 42ff400ccd43fb35542d788373cc4e6038c8b4a9 (diff) | |
download | eglibc2-f6c15fd48a4bf9a3675dc4570f9a06eef0e04096.tar.gz |
Merge changes between r19381 and r19447 from /fsf/trunk.
git-svn-id: svn://svn.eglibc.org/trunk@19448 7b3dc134-2b1b-0410-93df-9e9f96275f8d
Diffstat (limited to 'libc/ports/sysdeps/alpha/fpu/fsetexcptflg.c')
-rw-r--r-- | libc/ports/sysdeps/alpha/fpu/fsetexcptflg.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/libc/ports/sysdeps/alpha/fpu/fsetexcptflg.c b/libc/ports/sysdeps/alpha/fpu/fsetexcptflg.c new file mode 100644 index 000000000..c01e95891 --- /dev/null +++ b/libc/ports/sysdeps/alpha/fpu/fsetexcptflg.c @@ -0,0 +1,46 @@ +/* Set floating-point environment exception handling. + Copyright (C) 1997,98,99,2000,01 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson <rth@tamu.edu>, 1997. + + 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 int tmp; + + /* Get the current exception state. */ + tmp = __ieee_get_fp_control (); + + /* Set all the bits that were called for. */ + tmp = (tmp & ~SWCR_STATUS_MASK) | (*flagp & excepts & SWCR_STATUS_MASK); + + /* And store it back. */ + __ieee_set_fp_control (tmp); + + /* 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); |