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46 lines
1.4 KiB
ArmAsm
46 lines
1.4 KiB
ArmAsm
/* fmax function, sparc32 v9 version.
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Copyright (C) 2012-2016 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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#include <math_ldbl_opt.h>
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#define SIGN_BIT %f12 /* -0.0 */
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ENTRY (__fmax)
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std %o0, [%sp + 72]
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std %o2, [%sp + 80]
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ldd [%sp + 72], %f0
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ldd [%sp + 80], %f2
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fcmpd %fcc1, %f2, %f2
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fzero SIGN_BIT
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fmovdu %fcc1, %f0, %f2
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fnegd SIGN_BIT, SIGN_BIT
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fcmpd %fcc2, %f0, %f2
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fmovdul %fcc2, %f2, %f0
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fand %f0, %f2, %f4
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fandnot2 SIGN_BIT, %f4, %f4
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retl
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fandnot2 %f0, %f4, %f0
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END (__fmax)
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weak_alias (__fmax, fmax)
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#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
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compat_symbol (libm, __fmax, fmaxl, GLIBC_2_1);
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#endif
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