Current File : //glibc-2.29/sysdeps/sparc/sparc32/fpu/s_copysign.S
/* copysign function, sparc32 version.
Copyright (C) 2012-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David S. Miller <davem@davemloft.net>, 2012.
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 <sysdep.h>
#include <math_ldbl_opt.h>
#include <libm-alias-double.h>
ENTRY (__copysign)
sethi %hi(0x80000000), %g1
and %o2, %g1, %o4
andn %o0, %g1, %o0
or %o0, %o4, %o0
std %o0, [%sp + 72]
retl
ldd [%sp + 72], %f0
END (__copysign)
libm_alias_double (__copysign, copysign)
#if LONG_DOUBLE_COMPAT (libc, GLIBC_2_0)
compat_symbol (libc, __copysign, copysignl, GLIBC_2_0);
#endif
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