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45 lines
1.2 KiB
ArmAsm
45 lines
1.2 KiB
ArmAsm
/* Compute minimum of two numbers, regarding NaN as missing argument.
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Copyright (C) 1997-2018 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, see
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<http://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#include <libm-alias-double.h>
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.text
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ENTRY(__fmin)
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fldl 4(%esp) // x
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fldl 12(%esp) // x : y
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fxam
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fnstsw
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andb $0x45, %ah
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cmpb $0x01, %ah
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je 1f // y == NaN
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fucom %st(1)
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fnstsw
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sahf
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jc 2f
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1: fxch %st(1)
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2: fstp %st(1)
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ret
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END(__fmin)
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libm_alias_double (__fmin, fmin)
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