glibc/sysdeps/x86_64/fpu/s_copysignf.S
Joseph Myers 688903eb3e Update copyright dates with scripts/update-copyrights.
* All files with FSF copyright notices: Update copyright dates
	using scripts/update-copyrights.
	* locale/programs/charmap-kw.h: Regenerated.
	* locale/programs/locfile-kw.h: Likewise.
2018-01-01 00:32:25 +00:00

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1.3 KiB
ArmAsm

/* copy sign, double version.
Copyright (C) 2002-2018 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, see
<http://www.gnu.org/licenses/>. */
#include <machine/asm.h>
#include <libm-alias-float.h>
.section .rodata
.align ALIGNARG(4)
.type mask,@object
mask:
.byte 0xff, 0xff, 0xff, 0x7f
ASM_SIZE_DIRECTIVE(mask)
#ifdef PIC
#define MO(op) op##(%rip)
#else
#define MO(op) op
#endif
.text
ENTRY(__copysignf)
movss MO(mask),%xmm3
andps %xmm3,%xmm0
andnps %xmm1,%xmm3
orps %xmm3,%xmm0
retq
END (__copysignf)
libm_alias_float (__copysign, copysign)