2 * Copyright (c) 1995 The NetBSD Foundation, Inc.
5 * This code is derived from software contributed to The NetBSD Foundation
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
29 * $NetBSD: fpu_extern.h,v 1.4 2000/08/03 18:32:08 eeh Exp $
33 #ifndef _SPARC64_FPU_FPU_EXTERN_H_
34 #define _SPARC64_FPU_FPU_EXTERN_H_
41 int __fpu_exception(struct utrapframe *tf);
44 struct fpn *__fpu_add(struct fpemu *);
47 void __fpu_compare(struct fpemu *, int, int);
50 struct fpn *__fpu_div(struct fpemu *);
53 int __fpu_itof(struct fpn *, u_int);
54 int __fpu_xtof(struct fpn *, u_int64_t);
55 int __fpu_stof(struct fpn *, u_int);
56 int __fpu_dtof(struct fpn *, u_int, u_int);
57 int __fpu_qtof(struct fpn *, u_int, u_int, u_int, u_int);
58 void __fpu_explode(struct fpemu *, struct fpn *, int, int);
61 u_int __fpu_ftoi(struct fpemu *, struct fpn *);
62 u_int __fpu_ftox(struct fpemu *, struct fpn *, u_int *);
63 u_int __fpu_ftos(struct fpemu *, struct fpn *);
64 u_int __fpu_ftod(struct fpemu *, struct fpn *, u_int *);
65 u_int __fpu_ftoq(struct fpemu *, struct fpn *, u_int *);
66 void __fpu_implode(struct fpemu *, struct fpn *, int, u_int *);
69 struct fpn *__fpu_mul(struct fpemu *);
72 struct fpn *__fpu_sqrt(struct fpemu *);
76 * Shift a number right some number of bits, taking care of round/sticky.
77 * Note that the result is probably not a well-formed number (it will lack
78 * the normal 1-bit mant[0]&FP_1).
80 int __fpu_shr(register struct fpn *, register int);
81 void __fpu_norm(register struct fpn *);
82 /* Build a new Quiet NaN (sign=0, frac=all 1's). */
83 struct fpn *__fpu_newnan(register struct fpemu *);
85 #endif /* !_SPARC64_FPU_FPU_EXTERN_H_ */