1  /* Helper for variable shifts of SSE registers.
       2     Copyright (C) 2010-2023 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, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <stdint.h>
      20  #include <tmmintrin.h>
      21  
      22  extern const int8_t ___m128i_shift_right[31] attribute_hidden
      23      __attribute__ ((aligned (32)));
      24  
      25  static __inline__ __m128i
      26  __m128i_shift_right (__m128i value, unsigned long int offset)
      27  {
      28    return _mm_shuffle_epi8 (value,
      29  			   _mm_loadu_si128 ((__m128i *) (___m128i_shift_right
      30  							 + offset)));
      31  }