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[thirdparty/glibc.git] / sysdeps / x86_64 / multiarch / varshift.h
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1/* Helper for variable shifts of SSE registers.
2 Copyright (C) 2010 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
19
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20#include <stdint.h>
21#include <tmmintrin.h>
73f27d5e 22
8b2b7715 23extern const int8_t ___m128i_shift_right[31] attribute_hidden;
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24
25static __inline__ __m128i
8b2b7715 26__m128i_shift_right (__m128i value, unsigned long int offset)
73f27d5e 27{
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28 return _mm_shuffle_epi8 (value,
29 _mm_loadu_si128 ((__m128i *) (___m128i_shift_right
30 + offset)));
73f27d5e 31}