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80 lines
2.2 KiB
80 lines
2.2 KiB
/* |
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* Copyright (c) 2009 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_MIPS_MATHOPS_H |
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#define AVCODEC_MIPS_MATHOPS_H |
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#include <stdint.h> |
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#include "config.h" |
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#include "libavutil/common.h" |
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#if HAVE_INLINE_ASM |
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#if HAVE_LOONGSON |
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static inline av_const int64_t MAC64(int64_t d, int a, int b) |
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{ |
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int64_t m; |
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__asm__ ("dmult.g %1, %2, %3 \n\t" |
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"daddu %0, %0, %1 \n\t" |
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: "+r"(d), "=&r"(m) : "r"(a), "r"(b)); |
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return d; |
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} |
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#define MAC64(d, a, b) ((d) = MAC64(d, a, b)) |
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static inline av_const int64_t MLS64(int64_t d, int a, int b) |
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{ |
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int64_t m; |
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__asm__ ("dmult.g %1, %2, %3 \n\t" |
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"dsubu %0, %0, %1 \n\t" |
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: "+r"(d), "=&r"(m) : "r"(a), "r"(b)); |
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return d; |
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} |
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#define MLS64(d, a, b) ((d) = MLS64(d, a, b)) |
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#elif ARCH_MIPS64 |
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static inline av_const int64_t MAC64(int64_t d, int a, int b) |
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{ |
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int64_t m; |
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__asm__ ("dmult %2, %3 \n\t" |
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"mflo %1 \n\t" |
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"daddu %0, %0, %1 \n\t" |
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: "+r"(d), "=&r"(m) : "r"(a), "r"(b)); |
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return d; |
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} |
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#define MAC64(d, a, b) ((d) = MAC64(d, a, b)) |
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static inline av_const int64_t MLS64(int64_t d, int a, int b) |
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{ |
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int64_t m; |
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__asm__ ("dmult %2, %3 \n\t" |
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"mflo %1 \n\t" |
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"dsubu %0, %0, %1 \n\t" |
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: "+r"(d), "=&r"(m) : "r"(a), "r"(b)); |
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return d; |
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} |
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#define MLS64(d, a, b) ((d) = MLS64(d, a, b)) |
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#endif |
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#endif /* HAVE_INLINE_ASM */ |
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#endif /* AVCODEC_MIPS_MATHOPS_H */
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