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author | das <das@FreeBSD.org> | 2004-06-06 10:04:43 +0000 |
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committer | das <das@FreeBSD.org> | 2004-06-06 10:04:43 +0000 |
commit | 3cbeb05df0e67c7371b8acdd76dc5736810bb0c1 (patch) | |
tree | bdb30fa9c14216866f62274e6bc516d8ecb1c573 /lib/msun/ia64/fenv.c | |
parent | b1670fc3d8bdd91104d9e1be90f3b5cd145cc2aa (diff) | |
download | FreeBSD-src-3cbeb05df0e67c7371b8acdd76dc5736810bb0c1.zip FreeBSD-src-3cbeb05df0e67c7371b8acdd76dc5736810bb0c1.tar.gz |
Add an fenv.h implementation for the ia64 port.
Reviewed by: standards@
Diffstat (limited to 'lib/msun/ia64/fenv.c')
-rw-r--r-- | lib/msun/ia64/fenv.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/lib/msun/ia64/fenv.c b/lib/msun/ia64/fenv.c new file mode 100644 index 0000000..0777acc --- /dev/null +++ b/lib/msun/ia64/fenv.c @@ -0,0 +1,49 @@ +/*- + * Copyright (c) 2004 David Schultz <das@FreeBSD.ORG> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/types.h> +#include <fenv.h> + +const fenv_t __fe_dfl_env = 0x0009804c8a70033fULL; + +/* + * It doesn't pay to inline feupdateenv() because it includes one of + * the rare uses of feraiseexcept() where the argument is not a + * constant. Thus, no dead code elimination can occur, resulting in + * significant bloat. + */ +int +feupdateenv(const fenv_t *envp) +{ + fenv_t fpsr; + + __stfpsr(&fpsr); + __ldfpsr(*envp); + feraiseexcept(fpsr & FE_ALL_EXCEPT); + return (0); +} |