| /* |
| * 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 */ |