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