1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/* copy sign, double version.
Copyright (C) 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Jaeger <aj@suse.de>, 2002.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <machine/asm.h>
#ifdef __ELF__
.section .rodata
#else
.text
#endif
.align ALIGNARG(4)
ASM_TYPE_DIRECTIVE(signmask,@object)
signmask:
.byte 0, 0, 0, 0, 0, 0, 0, 0x80
.byte 0, 0, 0, 0, 0, 0, 0, 0
othermask:
.byte 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f
.byte 0, 0, 0, 0, 0, 0, 0, 0
ASM_SIZE_DIRECTIVE(othermask)
#ifdef PIC
#define MO(op) op##(%rip)
#else
#define MO(op) op
#endif
ENTRY(__copysign)
andpd MO(othermask),%xmm0
andpd MO(signmask),%xmm1
orpd %xmm1,%xmm0
ret
END (__copysign)
weak_alias (__copysign, copysign)
|
