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5262 libm needs to be carefully unifdef'd
5268 libm doesn't need to hide symbols which are already local
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--- old/usr/src/lib/libm/common/m9x/fdimf.c
+++ new/usr/src/lib/libm/common/m9x/fdimf.c
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
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20 20 */
21 21
22 22 /*
23 23 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
24 24 */
25 25 /*
26 26 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
27 27 * Use is subject to license terms.
28 28 */
29 29
30 -#if defined(ELFOBJ)
31 30 #pragma weak fdimf = __fdimf
32 -#endif
33 31
34 32 #include "libm.h" /* for islessequal macro */
35 33
36 34 float
37 35 __fdimf(float x, float y) {
38 36 /*
39 37 * On SPARC v8plus/v9, this could be implemented as follows
40 38 * (assuming %f0 = x, %f1 = y, return value left in %f0):
41 39 *
42 40 * fcmps %fcc0,%f0,%f1
43 41 * st %g0,[scratch] ! use fzero instead of st/ld
44 42 * ld [scratch],%f2 ! if VIS is available
45 43 * fnegs %f2,%f3
46 44 * fmovsle %fcc0,%f2,%f0
47 45 * fmovsle %fcc0,%f3,%f1
48 46 * fsubs %f0,%f1,%f0
49 47 */
50 48 if (islessequal(x, y)) {
51 49 x = 0.0f;
52 50 y = -x;
53 51 }
54 52 return (x - y);
55 53 }
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