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/*
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 * simple math operations
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 *
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 * Copyright (C) 2007 Marc Hoffman <mmhoffm@gmail.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_BFIN_MATHOPS_H
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#define AVCODEC_BFIN_MATHOPS_H
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#include "config.h"
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#if CONFIG_MPEGAUDIO_HP
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#define MULH(X,Y) ({ int xxo;                           \
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    __asm__ (                                               \
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        "a1 = %2.L * %1.L (FU);\n\t"                    \
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        "a1 = a1 >> 16;\n\t"                            \
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        "a1 += %2.H * %1.L (IS,M);\n\t"                 \
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        "a0 = %1.H * %2.H, a1+= %1.H * %2.L (IS,M);\n\t"\
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        "a1 = a1 >>> 16;\n\t"                           \
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        "%0 = (a0 += a1);\n\t"                          \
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        : "=d" (xxo) : "d" (X), "d" (Y) : "A0","A1"); xxo; })
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#else
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#define MULH(X,Y) ({ int xxo;                           \
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    __asm__ (                                               \
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        "a1 = %2.H * %1.L (IS,M);\n\t"                  \
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        "a0 = %1.H * %2.H, a1+= %1.H * %2.L (IS,M);\n\t"\
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        "a1 = a1 >>> 16;\n\t"                           \
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        "%0 = (a0 += a1);\n\t"                          \
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        : "=d" (xxo) : "d" (X), "d" (Y) : "A0","A1"); xxo; })
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#endif
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/* signed 16x16 -> 32 multiply */
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#define MUL16(a, b) ({ int xxo;                         \
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    __asm__ (                                               \
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       "%0 = %1.l*%2.l (is);\n\t"                       \
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       : "=W" (xxo) : "d" (a), "d" (b) : "A1");         \
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    xxo; })
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#endif /* AVCODEC_BFIN_MATHOPS_H */