6497a1d081
Update. * sysdeps/generic/s_fdim.c: Handle +inf/+inf * sysdeps/generic/s_fdimf.c: Likewise. * sysdeps/generic/s_fdiml.c: Likewise. * sysdeps/i386/i686/fpu/s_fdim.S: Likewise. * sysdeps/i386/i686/fpu/s_fdimf.S: Likewise. * sysdeps/i386/i686/fpu/s_fdiml.S: Likewise. * sysdeps/powerpc/fpu/s_fdim.c: Likewise. * sysdeps/powerpc/fpu/s_fdimf.c: Likewise. * sysdeps/x86_64/fpu/s_fdiml.S: Likewise. * math/libm-test.inc (fdim_test): Add test case. [BZ #376].
45 lines
1.2 KiB
ArmAsm
45 lines
1.2 KiB
ArmAsm
/* Compute positive difference.
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Copyright (C) 1997, 1998, 2002, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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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, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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.text
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ENTRY(__fdiml)
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fldt 8(%rsp) // x
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fldt 24(%rsp) // x : y
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fucomi %st(1), %st
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jp 1f
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jc 3f
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fstp %st(1)
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fldz
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jmp 2f
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3: fsubrp %st, %st(1)
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ret
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1: fucomi %st(0), %st
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fcmovnu %st(1), %st
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2: fstp %st(1)
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ret
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END(__fdiml)
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weak_alias (__fdiml, fdiml)
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