ffmpeg/libavcodec/arm/videodsp_armv5te.S

   1 @
   2 @ ARMv5te-optimized core video DSP functions
   3 @ Copyright (c) 2004 AGAWA Koji <i (AT) atty (DOT) jp>
   4 @
   5 @ This file is part of FFmpeg
   6 @
   7 @ FFmpeg is free software; you can redistribute it and/or
   8 @ modify it under the terms of the GNU Lesser General Public
   9 @ License as published by the Free Software Foundation; either
  10 @ version 2.1 of the License, or (at your option) any later version.
  11 @
  12 @ FFmpeg is distributed in the hope that it will be useful,
  13 @ but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 @ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 @ Lesser General Public License for more details.
  16 @
  17 @ You should have received a copy of the GNU Lesser General Public
  18 @ License along with FFmpeg; if not, write to the Free Software
  19 @ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20 @
  21
  22 #include "config.h"
  23 #include "libavutil/arm/asm.S"
  24
  25 function ff_prefetch_arm, export=1
  26         subs            r2,  r2,  #1
  27         pld             [r0]
  28         add             r0,  r0,  r1
  29         bne             X(ff_prefetch_arm)
  30         bx              lr
  31 endfunc