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43 lines
1.4 KiB
ArmAsm
43 lines
1.4 KiB
ArmAsm
/* Floating-point maximum. PowerPC version.
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Copyright (C) 1997-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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(__fmax)
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/* double [f1] fmax (double [f1] x, double [f2] y); */
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fcmpu cr0,fp1,fp2
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blt cr0,0f /* if x < y, neither x nor y can be NaN... */
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bnulr+ cr0
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/* x and y are unordered, so one of x or y must be a NaN... */
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fcmpu cr1,fp2,fp2
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bunlr cr1
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0: fmr fp1,fp2
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blr
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END(__fmax)
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weak_alias (__fmax,fmax)
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/* It turns out that it's safe to use this code even for single-precision. */
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strong_alias(__fmax,__fmaxf)
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weak_alias (__fmax,fmaxf)
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#ifdef NO_LONG_DOUBLE
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weak_alias (__fmax,__fmaxl)
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weak_alias (__fmax,fmaxl)
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#endif
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