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| 1 : | Isibaar | 1855 | // **************************************************************************** |
| 2 : | // * | ||
| 3 : | // * XVID MPEG-4 VIDEO CODEC | ||
| 4 : | // * - IA64 halfpel refinement - | ||
| 5 : | // * | ||
| 6 : | // * Copyright(C) 2002 Johannes Singler, Daniel Winkler | ||
| 7 : | // * | ||
| 8 : | // * This program is free software; you can redistribute it and/or modify it | ||
| 9 : | // * under the terms of the GNU General Public License as published by | ||
| 10 : | // * the Free Software Foundation; either version 2 of the License, or | ||
| 11 : | // * (at your option) any later version. | ||
| 12 : | // * | ||
| 13 : | // * This program is distributed in the hope that it will be useful, | ||
| 14 : | // * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 15 : | // * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 16 : | // * GNU General Public License for more details. | ||
| 17 : | // * | ||
| 18 : | // * You should have received a copy of the GNU General Public License | ||
| 19 : | // * along with this program; if not, write to the Free Software | ||
| 20 : | // * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| 21 : | // * | ||
| 22 : | // * $Id: calc_delta_1.s,v 1.2 2009-02-19 17:07:29 Isibaar Exp $ | ||
| 23 : | // * | ||
| 24 : | // ***************************************************************************/ | ||
| 25 : | // | ||
| 26 : | // **************************************************************************** | ||
| 27 : | // * | ||
| 28 : | // * calc_delta_1.s, IA-64 halfpel refinement | ||
| 29 : | // * | ||
| 30 : | // * This version was implemented during an IA-64 practical training at | ||
| 31 : | // * the University of Karlsruhe (http://i44w3.info.uni-karlsruhe.de/) | ||
| 32 : | // * | ||
| 33 : | // **************************************************************************** | ||
| 34 : | |||
| 35 : | ia64p | 300 | ;; |
| 36 : | getf.sig ret0 = fmv | ||
| 37 : | add mpr[0] = mpr[0], mpr[1] | ||
| 38 : | add mpr[2] = mpr[2], mpr[3] | ||
| 39 : | add mpr[4] = mpr[4], mpr[5] | ||
| 40 : | add mpr[6] = mpr[6], mpr[7] | ||
| 41 : | ;; | ||
| 42 : | add mpr[0] = mpr[0], mpr[2] | ||
| 43 : | add mpr[4] = mpr[4], mpr[6] | ||
| 44 : | mov component[0] = dx | ||
| 45 : | mov component[1] = dy | ||
| 46 : | |||
| 47 : | cmp.ne non0_2, p0 = 0, dx | ||
| 48 : | cmp.gt neg_2, p0 = 0, dx | ||
| 49 : | |||
| 50 : | .pred.rel "mutex", p32, p36 //non0_0, neg_0 | ||
| 51 : | |||
| 52 : | cmp.ne non0_3, p0 = 0, dy | ||
| 53 : | cmp.gt neg_3, p0 = 0, dy | ||
| 54 : | ;; | ||
| 55 : | .pred.rel "mutex", p33, p37 //non0_1, neg_1 | ||
| 56 : | |||
| 57 : | add iSAD = iSAD, ret0 | ||
| 58 : | add mpr[8] = mpr[0], mpr[4] | ||
| 59 : | (neg_2) sub component[0] = 0, component[0] //abs | ||
| 60 : | (neg_3) sub component[1] = 0, component[1] //abs | ||
| 61 : | ;; |
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