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| Rev | Author | Line No. | Line |
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| 4349 | Serge | 1 | /* |
| 2 | * Copyright (c) 2008 Mans Rullgard |
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| 3 | * |
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| 4 | * This file is part of FFmpeg. |
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| 5 | * |
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| 6 | * FFmpeg is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU Lesser General Public |
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| 8 | * License as published by the Free Software Foundation; either |
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| 9 | * version 2.1 of the License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * FFmpeg is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | * Lesser General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU Lesser General Public |
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| 17 | * License along with FFmpeg; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 19 | */ |
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| 20 | |||
| 21 | #ifndef AVCODEC_SH4_SH4_H |
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| 22 | #define AVCODEC_SH4_SH4_H |
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| 23 | |||
| 24 | #ifdef __SH4__ |
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| 25 | # define fp_single_enter(fpscr) \ |
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| 26 | do { \ |
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| 27 | __asm__ volatile ("sts fpscr, %0 \n\t" \ |
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| 28 | "and %1, %0 \n\t" \ |
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| 29 | "lds %0, fpscr \n\t" \ |
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| 30 | : "=&r"(fpscr) : "r"(~(1<<19))); \ |
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| 31 | } while (0) |
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| 32 | |||
| 33 | # define fp_single_leave(fpscr) \ |
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| 34 | do { \ |
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| 35 | __asm__ volatile ("or %1, %0 \n\t" \ |
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| 36 | "lds %0, fpscr \n\t" \ |
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| 37 | : "+r"(fpscr) : "r"(1<<19)); \ |
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| 38 | } while (0) |
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| 39 | #else |
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| 40 | # define fp_single_enter(fpscr) ((void)fpscr) |
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| 41 | # define fp_single_leave(fpscr) |
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| 42 | #endif |
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| 43 | |||
| 44 | #endif /* AVCODEC_SH4_SH4_H */ |