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| author | alex <alex@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2003-06-22 03:32:16 +0000 |
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| committer | alex <alex@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2003-06-22 03:32:16 +0000 |
| commit | d0cf347a6269992b0d52d4863c02be91730b1c78 (patch) | |
| tree | 9b9a9454a2cbc3b6465bd200ab9b3f3fe5663d0c /mp3lib/dct36_k7.c | |
| parent | 0865846ecb7a6b4e5fbf5127d355892d2ff53d9c (diff) | |
| download | mpv-d0cf347a6269992b0d52d4863c02be91730b1c78.tar.bz2 mpv-d0cf347a6269992b0d52d4863c02be91730b1c78.tar.xz | |
moved 3dnow and 3dnowex dct36 optimisations into gcc inline assembly
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@10323 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'mp3lib/dct36_k7.c')
| -rw-r--r-- | mp3lib/dct36_k7.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/mp3lib/dct36_k7.c b/mp3lib/dct36_k7.c new file mode 100644 index 0000000000..c1f19e7c28 --- /dev/null +++ b/mp3lib/dct36_k7.c @@ -0,0 +1,34 @@ +/* + * dct36_k7.c - 3DNowEx(DSP)! optimized dct36() + * + * This code based 'dct36_3dnow.s' by Syuuhei Kashiyama + * <squash@mb.kcom.ne.jp>, only two types of changes have been made: + * + * - added new opcode PSWAPD + * - removed PREFETCH instruction for speedup + * - changed function name for support 3DNowEx! automatic detection + * + * note: because K7 processors are an aggresive out-of-order three-way + * superscalar ones instruction order is not significand for them. + * + * You can find Kashiyama's original 3dnow! support patch + * (for mpg123-0.59o) at + * http://user.ecc.u-tokyo.ac.jp/~g810370/linux-simd/ (Japanese). + * + * by KIMURA Takuhiro <kim@hannah.ipc.miyakyo-u.ac.jp> - until 31.Mar.1999 + * <kim@comtec.co.jp> - after 1.Apr.1999 + * + * Original disclaimer: + * The author of this program disclaim whole expressed or implied + * warranties with regard to this program, and in no event shall the + * author of this program liable to whatever resulted from the use of + * this program. Use it at your own risk. + * + * Modified by Nick Kurshev <nickols_k@mail.ru> + * + * 2003/06/21: Moved to GCC inline assembly - Alex Beregszaszi + */ + +#define __DCT36_OPTIMIZE_FOR_K7 + +#include "dct36_3dnow.c" |