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