mirror of https://github.com/mpv-player/mpv
35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
/*
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* dct36_k7.c - 3DNowEx(DSP)! optimized dct36()
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*
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* This code based 'dct36_3dnow.s' by Syuuhei Kashiyama
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* <squash@mb.kcom.ne.jp>, only two types of changes have been made:
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*
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* - added new opcode PSWAPD
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* - removed PREFETCH instruction for speedup
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* - changed function name for support 3DNowEx! automatic detection
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*
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* note: because K7 processors are an aggresive out-of-order three-way
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* superscalar ones instruction order is not significand for them.
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*
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* You can find Kashiyama's original 3dnow! support patch
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* (for mpg123-0.59o) at
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* http://user.ecc.u-tokyo.ac.jp/~g810370/linux-simd/ (Japanese).
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*
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* by KIMURA Takuhiro <kim@hannah.ipc.miyakyo-u.ac.jp> - until 31.Mar.1999
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* <kim@comtec.co.jp> - after 1.Apr.1999
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*
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* Original disclaimer:
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* The author of this program disclaim whole expressed or implied
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* warranties with regard to this program, and in no event shall the
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* author of this program liable to whatever resulted from the use of
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* this program. Use it at your own risk.
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*
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* Modified by Nick Kurshev <nickols_k@mail.ru>
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*
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* 2003/06/21: Moved to GCC inline assembly - Alex Beregszaszi
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*/
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#define __DCT36_OPTIMIZE_FOR_K7
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#include "dct36_3dnow.c"
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