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7423a345 1/* Return nonzero value if number is negative.
6d7e8eda 2 Copyright (C) 2009-2023 Free Software Foundation, Inc.
7423a345 3 This file is part of the GNU C Library.
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4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
59ba27a6 16 License along with the GNU C Library; if not, see
5a82c748 17 <https://www.gnu.org/licenses/>. */
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18
19#include <sysdep.h>
20
21ENTRY(__signbitf)
22 pmovmskb %xmm0, %eax
23 andl $0x8, %eax
24 ret
25END(__signbitf)