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34 lines
1.1 KiB
ArmAsm
34 lines
1.1 KiB
ArmAsm
/* isnan(). sparc64 version.
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Copyright (C) 2012-2023 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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<https://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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ENTRY (__isnan)
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std %f0, [%sp + STACK_BIAS + 128]
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sethi %hi(0x7ff00000), %g1
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ldx [%sp + STACK_BIAS + 128], %o0
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sllx %g1, 32, %g1
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sllx %o0, 1, %o0
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srlx %o0, 1, %o0
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sub %g1, %o0, %o0
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retl
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srlx %o0, 63, %o0
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END (__isnan)
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hidden_def (__isnan)
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weak_alias (__isnan, isnan)
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