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5261 libm should stop using synonyms.h
5298 fabs is 0-sized, confuses dis(1) and others
Reviewed by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
Approved by: Gordon Ross <gwr@nexenta.com>
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--- old/usr/src/lib/libm/i386/src/acosl.s
+++ new/usr/src/lib/libm/i386/src/acosl.s
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21 /*
22 22 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
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23 23 */
24 24 /*
25 25 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
26 26 * Use is subject to license terms.
27 27 */
28 28
29 29 .file "acosl.s"
30 30
31 31 #include "libm.h"
32 32 LIBM_ANSI_PRAGMA_WEAK(acosl,function)
33 -#include "libm_synonyms.h"
34 -
35 -#undef fabs
36 33
37 34 ENTRY(acosl)
38 35 fldt 4(%esp) / push x
39 36 fld1 / push 1
40 37 fld %st(1) / x , 1 , x
41 38 fabs / |x| , 1 , x
42 39 fucomp
43 40 fstsw %ax
44 41 sahf
45 42 ja 9f
46 43 fadd %st(1),%st / 1+x,x
47 44 fldz
48 45 fucomp
49 46 fstsw %ax
50 47 sahf
51 48 jp .L1
52 49 jne .L1
53 50 / x is -1
54 51 fstp %st(0) / -1
55 52 fstp %st(0) / empty NPX stack
56 53 fldpi
57 54 ret
58 55 .L1:
59 56 fxch %st(1) / x,1+x
60 57 fld1 / 1,x,1+x
61 58 fsubp %st,%st(1) / 1-x,1+x
62 59 fdivp %st,%st(1) / (1-x)/(1+x)
63 60 fsqrt
64 61 fld1 / 1,sqrt((1-x)/(1+x))
65 62 fpatan
66 63 fadd %st(0),%st
67 64 ret
68 65 9:
69 66 / |x| > 1
70 67 fstp %st(0) / x
71 68 fsub %st,%st(0) / +/-0 or NaN+invalid
72 69 fdiv %st,%st(0) / NaN+invalid or NaN
73 70 ret
74 71 .align 4
75 72 SET_SIZE(acosl)
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