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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/amd64/src/remainder.s
+++ new/usr/src/lib/libm/amd64/src/remainder.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 "remainder.s"
30 30
31 31 #include "libm.h"
32 32 LIBM_ANSI_PRAGMA_WEAK(remainder,function)
33 -#include "libm_synonyms.h"
34 33 #include "libm_protos.h"
35 34
36 35 ENTRY(remainder)
37 36 push %rbp
38 37 movq %rsp,%rbp
39 38 subq $16,%rsp
40 39 movlpd %xmm1,-16(%rbp)
41 40 movlpd %xmm0,-8(%rbp)
42 41
43 42 ucomisd %xmm0,%xmm1 / if x or y is NaN, use fprem1
44 43 jp 1f
45 44
46 45 movl -12(%rbp),%eax / eax <-- hi_32(y)
47 46 andl $0x7fffffff,%eax / eax <-- hi_32(|y|)
48 47 orl -16(%rbp),%eax / eax <-- lo_32(y)|hi_32(|y|)
49 48 je .yzero_or_xinf
50 49
51 50 movl -4(%rbp),%eax / eax <-- hi_32(x)
52 51 andl $0x7fffffff,%eax / eax <-- hi_32(|x|)
53 52 cmpl $0x7ff00000,%eax
54 53 jne 1f
55 54 cmpl $0,-8(%rbp)
56 55 je .yzero_or_xinf
57 56 1:
58 57 fldl -16(%rbp) / y
59 58 fldl -8(%rbp) / x
60 59 .rem_loop:
61 60 fprem1 / partial remainder
62 61 fstsw %ax / store status word
63 62 andw $0x400,%ax / check for incomplete reduction
64 63 jne .rem_loop / while incomplete, do fprem1 again
65 64 fstpl -8(%rbp)
66 65 movsd -8(%rbp),%xmm0
67 66 fstp %st(0)
68 67 leave
69 68 ret
70 69
71 70 .yzero_or_xinf:
72 71 PIC_SETUP(1)
73 72 movl $28,%edi
74 73 movl $2,%eax
75 74 call PIC_F(_SVID_libm_err)
76 75 PIC_WRAPUP
77 76 leave
78 77 ret
79 78 .align 4
80 79 SET_SIZE(remainder)
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