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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/hypotf.s
+++ new/usr/src/lib/libm/i386/src/hypotf.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 2005 Sun Microsystems, Inc. All rights reserved.
26 26 * Use is subject to license terms.
27 27 */
28 28
29 29 .file "hypotf.s"
30 30
31 31 #include "libm.h"
32 32 LIBM_ANSI_PRAGMA_WEAK(hypotf,function)
33 -#include "libm_synonyms.h"
34 33 #include "libm_protos.h"
35 34
36 -#undef fabs
37 -
38 35 ENTRY(hypotf)
39 36 movl 4(%esp),%eax / eax <-- x
40 37 andl $0x7fffffff,%eax / eax <-- |x|
41 38 jz .return_abs_y / if x = +/-0, return |y|
42 39 subl $0x7f800000,%eax / eax <-- |x| - INF
43 40 jz .return_abs_x / if x = +/-INF, return |x|
44 41 movl 8(%esp),%eax / eax <-- y
45 42 andl $0x7fffffff,%eax / eax <-- |y|
46 43 jz .return_abs_x / if y = +/-0, return |x|
47 44 subl $0x7f800000,%eax / eax <-- |y| - INF
48 45 .return_abs_y:
49 46 flds 8(%esp) / y
50 47 jz .take_abs / if y = +/-INF, return |y|
51 48 fmul %st(0),%st / y*y
52 49 flds 4(%esp) / x,y*y
53 50 fmul %st(0),%st / x*x,y*y
54 51 faddp %st,%st(1) / x*x+y*y
55 52 fsqrt / sqrt(x*x+y*y)
56 53 subl $4,%esp
57 54 fstps (%esp) / round to single
58 55 flds (%esp)
59 56 fwait
60 57 addl $4,%esp
61 58 ret
62 59
63 60 .return_abs_x:
64 61 / returns |x|
65 62 flds 4(%esp)
66 63 .take_abs:
67 64 fabs
68 65 ret
69 66 .align 4
70 67 SET_SIZE(hypotf)
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