glibc/sysdeps/x86_64/fpu/s_copysignf.S
Andreas Jaeger 9359218f0f Update.
2002-07-06  Andreas Jaeger  <aj@suse.de>

	* sysdeps/x86_64/fpu/bits/mathinline.h: New.
	* sysdeps/x86_64/fpu/s_copysign.S: New.
	* sysdeps/x86_64/fpu/s_copysignf.S: New.
	* sysdeps/x86_64/fpu/s_copysignl.S: New.
	* sysdeps/x86_64/fpu/s_finitel.S: New.
	* sysdeps/x86_64/fpu/s_fmax.S: New.
	* sysdeps/x86_64/fpu/s_fmaxf.S: New.
	* sysdeps/x86_64/fpu/s_fmaxl.S: New.
	* sysdeps/x86_64/fpu/s_fmin.S: New.
	* sysdeps/x86_64/fpu/s_fminf.S: New.
	* sysdeps/x86_64/fpu/s_fminl.S: New.
2002-07-06 15:07:30 +00:00

38 lines
1.2 KiB
ArmAsm

/* 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>
ENTRY(__copysignf)
movss %xmm0,-4(%rsp)
mov -4(%rsp,1),%edx
movss %xmm1,-4(%rsp)
mov -4(%rsp),%eax
and $0x7fffffff,%edx
and $0x80000000,%eax
or %eax,%edx
mov %edx,-4(%rsp)
movss -4(%rsp),%xmm1
movaps %xmm1,%xmm0
retq
END (__copysignf)
weak_alias (__copysignf, copysignf)