1/* copy sign, double version.
2   Copyright (C) 2002-2021 Free Software Foundation, Inc.
3   This file is part of the GNU C Library.
4
5   The GNU C Library is free software; you can redistribute it and/or
6   modify it under the terms of the GNU Lesser General Public
7   License as published by the Free Software Foundation; either
8   version 2.1 of the License, or (at your option) any later version.
9
10   The GNU C Library is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13   Lesser General Public License for more details.
14
15   You should have received a copy of the GNU Lesser General Public
16   License along with the GNU C Library; if not, see
17   <https://www.gnu.org/licenses/>.  */
18
19#include <machine/asm.h>
20#include <libm-alias-float.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
45libm_alias_float (__copysign, copysign)
46