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7bd951ff59
* sysdeps/sparc/sparc64/fpu/s_copysign.S (__copysign): Use fzeros/fnegs to load 0x80000000 into a float register instead of using the stack. * sysdeps/sparc/sparc64/fpu/s_copysignf.S (__copysignf): Likewise.
30 lines
1.1 KiB
ArmAsm
30 lines
1.1 KiB
ArmAsm
/* copysign function, sparc64 version.
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Copyright (C) 2012 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by David S. Miller <davem@davemloft.net>, 2012.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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ENTRY (__copysign)
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fzeros %f7
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fnegs %f7, %f7
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fands %f2, %f7, %f9
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fandnot2s %f0, %f7, %f0
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retl
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fors %f0, %f9, %f0
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END (__copysign)
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weak_alias (__copysign, copysign) |