glibc/sysdeps/sparc/sparc64/fpu/s_isinf.S
David S. Miller 759707dee3 Optimized 64-bit sparc assembler for finite{,f} and isinf{,f}.
* sysdeps/sparc/sparc64/fpu/s_finite.S: New file.
	* sysdeps/sparc/sparc64/fpu/s_finitef.S: New file.
	* sysdeps/sparc/sparc64/fpu/s_isinf.S: New file.
	* sysdeps/sparc/sparc64/fpu/s_isinff.S: New file.
2012-03-01 22:14:35 -08:00

35 lines
1.1 KiB
ArmAsm

/* isinf(). sparc64 version.
Copyright (C) 2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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>
ENTRY (__isinf)
std %f0, [%sp + STACK_BIAS + 128]
sethi %hi(0x7ff00000), %o2
ldx [%sp + STACK_BIAS + 128], %g1
sllx %o2, 32, %o2
sllx %g1, 1, %o4
srlx %o4, 1, %o5
srax %g1, 62, %o0
xor %o5, %o2, %o3
retl
movrne %o3, %g0, %o0
END (__isinf)
hidden_def (__isinf)
weak_alias (__isinf, isinf)