diff options
Diffstat (limited to 'lib/libc/alpha/gen/flt_rounds.c')
-rw-r--r-- | lib/libc/alpha/gen/flt_rounds.c | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/lib/libc/alpha/gen/flt_rounds.c b/lib/libc/alpha/gen/flt_rounds.c deleted file mode 100644 index c3219d9..0000000 --- a/lib/libc/alpha/gen/flt_rounds.c +++ /dev/null @@ -1,60 +0,0 @@ -/* - * Copyright (c) 1995 Christopher G. Demetriou - * 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. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Christopher G. Demetriou - * for the NetBSD Project. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. - * - * $NetBSD: flt_rounds.c,v 1.2 1997/07/18 00:30:30 thorpej Exp $ - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/types.h> -#include <machine/float.h> - -static const int map[] = { - 0, /* round to zero */ - 3, /* round to negative infinity */ - 1, /* round to nearest */ - 2 /* round to positive infinity */ -}; - -int -__flt_rounds() -{ - union { - double fpcrval; - u_int64_t intval; - } u; - - __asm__("trapb"); - __asm__("mf_fpcr %0" : "=f" (u.fpcrval)); - __asm__("trapb"); - - return map[(u.intval >> 58) & 0x3]; -} |