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38 lines
1.2 KiB
ArmAsm
38 lines
1.2 KiB
ArmAsm
/* Truncate double value.
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Copyright (C) 1997-2017 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 <machine/asm.h>
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ENTRY(__trunc)
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fldl 4(%esp)
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subl $32, %esp
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cfi_adjust_cfa_offset (32)
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fnstenv 4(%esp)
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movl $0xc00, %edx
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orl 4(%esp), %edx
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movl %edx, (%esp)
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fldcw (%esp)
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frndint
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fldenv 4(%esp)
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addl $32, %esp
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cfi_adjust_cfa_offset (-32)
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ret
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END(__trunc)
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weak_alias (__trunc, trunc)
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