/* * Copyright (c) 2008 Mans Rullgard <mans@mansr.com> * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef AVCODEC_SH4_SH4_H #define AVCODEC_SH4_SH4_H #ifdef __SH4__ # define fp_single_enter(fpscr) \ do { \ __asm__ volatile ("sts fpscr, %0 \n\t" \ "and %1, %0 \n\t" \ "lds %0, fpscr \n\t" \ : "=&r"(fpscr) : "r"(~(1<<19))); \ } while (0) # define fp_single_leave(fpscr) \ do { \ __asm__ volatile ("or %1, %0 \n\t" \ "lds %0, fpscr \n\t" \ : "+r"(fpscr) : "r"(1<<19)); \ } while (0) #else # define fp_single_enter(fpscr) ((void)fpscr) # define fp_single_leave(fpscr) #endif #endif /* AVCODEC_SH4_SH4_H */