1/* copy sign, double version.
2   Copyright (C) 2002, 2006 Free Software Foundation, Inc.
3   This file is part of the GNU C Library.
4   Contributed by Andreas Jaeger <aj@suse.de>, 2002.
5
6   The GNU C Library is free software; you can redistribute it and/or
7   modify it under the terms of the GNU Lesser General Public
8   License as published by the Free Software Foundation; either
9   version 2.1 of the License, or (at your option) any later version.
10
11   The GNU C Library is distributed in the hope that it will be useful,
12   but WITHOUT ANY WARRANTY; without even the implied warranty of
13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14   Lesser General Public License for more details.
15
16   You should have received a copy of the GNU Lesser General Public
17   License along with the GNU C Library; if not, write to the Free
18   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19   02111-1307 USA.  */
20
21#include <machine/asm.h>
22
23#ifdef __ELF__
24	.section .rodata
25#else
26	.text
27#endif
28
29	.align ALIGNARG(4)
30	ASM_TYPE_DIRECTIVE(mask,@object)
31mask:
32	.byte 0xff, 0xff, 0xff, 0x7f
33	ASM_SIZE_DIRECTIVE(mask)
34
35#ifdef PIC
36#define MO(op) op##(%rip)
37#else
38#define MO(op) op
39#endif
40
41	.text
42ENTRY(__copysignf)
43	movss	MO(mask),%xmm3
44	andps	%xmm3,%xmm0
45	andnps	%xmm1,%xmm3
46	orps	%xmm3,%xmm0
47	retq
48END (__copysignf)
49
50weak_alias (__copysignf, copysignf)
51