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