VEX/priv/host_generic_simd256.c

   1
   2 /*---------------------------------------------------------------*/
   3 /*--- begin                            host_generic_simd256.c ---*/
   4 /*---------------------------------------------------------------*/
   5
   6 /*
   7    This file is part of Valgrind, a dynamic binary instrumentation
   8    framework.
   9
  10    Copyright (C) 2012-2017 OpenWorks GbR
  11       info@open-works.net
  12
  13    This program is free software; you can redistribute it and/or
  14    modify it under the terms of the GNU General Public License as
  15    published by the Free Software Foundation; either version 2 of the
  16    License, or (at your option) any later version.
  17
  18    This program is distributed in the hope that it will be useful, but
  19    WITHOUT ANY WARRANTY; without even the implied warranty of
  20    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  21    General Public License for more details.
  22
  23    You should have received a copy of the GNU General Public License
  24    along with this program; if not, see <http://www.gnu.org/licenses/>.
  25
  26    The GNU General Public License is contained in the file COPYING.
  27 */
  28
  29 /* Generic helper functions for doing 256-bit SIMD arithmetic in cases
  30    where the instruction selectors cannot generate code in-line.
  31    These are purely back-end entities and cannot be seen/referenced
  32    from IR. */
  33
  34 #include "libvex_basictypes.h"
  35 #include "host_generic_simd256.h"
  36
  37
  38 void VEX_REGPARM(3)
  39      h_generic_calc_Perm32x8 ( /*OUT*/V256* res,
  40                                V256* argL, V256* argR )
  41 {
  42    res->w32[0] = argL->w32[ argR->w32[0] & 7 ];
  43    res->w32[1] = argL->w32[ argR->w32[1] & 7 ];
  44    res->w32[2] = argL->w32[ argR->w32[2] & 7 ];
  45    res->w32[3] = argL->w32[ argR->w32[3] & 7 ];
  46    res->w32[4] = argL->w32[ argR->w32[4] & 7 ];
  47    res->w32[5] = argL->w32[ argR->w32[5] & 7 ];
  48    res->w32[6] = argL->w32[ argR->w32[6] & 7 ];
  49    res->w32[7] = argL->w32[ argR->w32[7] & 7 ];
  50 }
  51
  52
  53 /*---------------------------------------------------------------*/
  54 /*--- end                              host_generic_simd256.c ---*/
  55 /*---------------------------------------------------------------*/