Subversion Repositories Kolibri OS

Rev

Blame | Last modification | View Log | RSS feed

  1. /*
  2.  * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
  3.  *
  4.  * This file is part of FFmpeg.
  5.  *
  6.  * FFmpeg is free software; you can redistribute it and/or
  7.  * modify it under the terms of the GNU Lesser General Public
  8.  * License as published by the Free Software Foundation; either
  9.  * version 2.1 of the License, or (at your option) any later version.
  10.  *
  11.  * FFmpeg is distributed in the hope that it will be useful,
  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14.  * Lesser General Public License for more details.
  15.  *
  16.  * You should have received a copy of the GNU Lesser General Public
  17.  * License along with FFmpeg; if not, write to the Free Software
  18.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19.  */
  20.  
  21. #ifndef AVCODEC_SH4_SH4_H
  22. #define AVCODEC_SH4_SH4_H
  23.  
  24. #ifdef __SH4__
  25. #   define fp_single_enter(fpscr)                               \
  26.     do {                                                        \
  27.         __asm__ volatile ("sts   fpscr, %0     \n\t"            \
  28.                           "and   %1,    %0     \n\t"            \
  29.                           "lds   %0,    fpscr  \n\t"            \
  30.                           : "=&r"(fpscr) : "r"(~(1<<19)));      \
  31.     } while (0)
  32.  
  33. #   define fp_single_leave(fpscr)                       \
  34.     do {                                                \
  35.         __asm__ volatile ("or    %1,    %0     \n\t"    \
  36.                           "lds   %0,    fpscr  \n\t"    \
  37.                           : "+r"(fpscr) : "r"(1<<19));  \
  38.     } while (0)
  39. #else
  40. #   define fp_single_enter(fpscr) ((void)fpscr)
  41. #   define fp_single_leave(fpscr)
  42. #endif
  43.  
  44. #endif /* AVCODEC_SH4_SH4_H */
  45.