1fa225cbcSrjs/* 2fa225cbcSrjs * Copyright © 2006 Intel Corporation 3fa225cbcSrjs * 4fa225cbcSrjs * Permission is hereby granted, free of charge, to any person obtaining a 5fa225cbcSrjs * copy of this software and associated documentation files (the "Software"), 6fa225cbcSrjs * to deal in the Software without restriction, including without limitation 7fa225cbcSrjs * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8fa225cbcSrjs * and/or sell copies of the Software, and to permit persons to whom the 9fa225cbcSrjs * Software is furnished to do so, subject to the following conditions: 10fa225cbcSrjs * 11fa225cbcSrjs * The above copyright notice and this permission notice (including the next 12fa225cbcSrjs * paragraph) shall be included in all copies or substantial portions of the 13fa225cbcSrjs * Software. 14fa225cbcSrjs * 15fa225cbcSrjs * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16fa225cbcSrjs * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17fa225cbcSrjs * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18fa225cbcSrjs * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19fa225cbcSrjs * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20fa225cbcSrjs * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21fa225cbcSrjs * IN THE SOFTWARE. 22fa225cbcSrjs * 23fa225cbcSrjs * Authors: 24fa225cbcSrjs * Wang Zhenyu <zhenyu.z.wang@intel.com> 25fa225cbcSrjs * Keith Packard <keithp@keithp.com> 26fa225cbcSrjs */ 27fa225cbcSrjs 28fa225cbcSrjs/********** Compute w *************/ 29fa225cbcSrjs 30fa225cbcSrjsmul (16) temp_x<1>F dst_x<8,8,1>F dw_dx { compr align1 }; 31fa225cbcSrjsmul (16) temp_y<1>F dst_y<8,8,1>F dw_dy { compr align1 }; 32fa225cbcSrjsadd (16) temp_x<1>F temp_x<8,8,1>F temp_y<8,8,1>F { compr align1 }; 33fa225cbcSrjsadd (16) temp_x<1>F temp_x<8,8,1>F wo { compr align1 }; 34fa225cbcSrjssend (8) 0 w_0<1>F temp_x_0<8,8,1>F math inv mlen 1 rlen 1 { align1 }; 35fa225cbcSrjssend (8) 0 w_1<1>F temp_x_1<8,8,1>F math inv mlen 1 rlen 1 { sechalf align1 }; 36fa225cbcSrjs 37fa225cbcSrjs/********** Compute u *************/ 38fa225cbcSrjs 39fa225cbcSrjsmul (16) temp_x<1>F dst_x<8,8,1>F du_dx { compr align1 }; 40fa225cbcSrjsmul (16) temp_y<1>F dst_y<8,8,1>F du_dy { compr align1 }; 41fa225cbcSrjsadd (16) temp_x<1>F temp_x<8,8,1>F temp_y<8,8,1>F { compr align1 }; 42fa225cbcSrjsadd (16) temp_x<1>F temp_x<8,8,1>F uo { compr align1 }; 43fa225cbcSrjsmul (16) u<1>F temp_x<8,8,1>F w<8,8,1>F { compr align1 }; 44fa225cbcSrjs 45fa225cbcSrjs/********** Compute v *************/ 46fa225cbcSrjs 47fa225cbcSrjsmul (16) temp_x<1>F dst_x<8,8,1>F dv_dx { compr align1 }; 48fa225cbcSrjsmul (16) temp_y<1>F dst_y<8,8,1>F dv_dy { compr align1 }; 49fa225cbcSrjsadd (16) temp_x<1>F temp_x<8,8,1>F temp_y<8,8,1>F { compr align1 }; 50fa225cbcSrjsadd (16) temp_x<1>F temp_x<8,8,1>F vo { compr align1 }; 51fa225cbcSrjsmul (16) v<1>F temp_x<8,8,1>F w<8,8,1>F { compr align1 }; 52