mirror of
https://github.com/xenia-project/FFmpeg.git
synced 2024-11-25 04:30:02 +00:00
45 lines
1.7 KiB
C
45 lines
1.7 KiB
C
/*
|
|
* 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 */
|