1/* copy sign, double version.
2 Copyright (C) 2002-2016 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, see
18 <http://www.gnu.org/licenses/>. */
19
20#include <machine/asm.h>
21
22 .section .rodata
23
24 .align ALIGNARG(4)
25 .type mask,@object
26mask:
27 .byte 0xff, 0xff, 0xff, 0x7f
28 ASM_SIZE_DIRECTIVE(mask)
29
30#ifdef PIC
31#define MO(op) op##(%rip)
32#else
33#define MO(op) op
34#endif
35
36 .text
37ENTRY(__copysignf)
38 movss MO(mask),%xmm3
39 andps %xmm3,%xmm0
40 andnps %xmm1,%xmm3
41 orps %xmm3,%xmm0
42 retq
43END (__copysignf)
44
45weak_alias (__copysignf, copysignf)
46