0,0 → 1,44 |
/* |
* 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 */ |