1428d7b3dSmrg/*
2428d7b3dSmrg * Copyright © 2008 Intel Corporation
3428d7b3dSmrg *
4428d7b3dSmrg * Permission is hereby granted, free of charge, to any person obtaining a
5428d7b3dSmrg * copy of this software and associated documentation files (the "Software"),
6428d7b3dSmrg * to deal in the Software without restriction, including without limitation
7428d7b3dSmrg * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8428d7b3dSmrg * and/or sell copies of the Software, and to permit persons to whom the
9428d7b3dSmrg * Software is furnished to do so, subject to the following conditions:
10428d7b3dSmrg *
11428d7b3dSmrg * The above copyright notice and this permission notice (including the next
12428d7b3dSmrg * paragraph) shall be included in all copies or substantial portions of the
13428d7b3dSmrg * Software.
14428d7b3dSmrg *
15428d7b3dSmrg * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16428d7b3dSmrg * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17428d7b3dSmrg * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18428d7b3dSmrg * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19428d7b3dSmrg * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20428d7b3dSmrg * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21428d7b3dSmrg * SOFTWARE.
22428d7b3dSmrg *
23428d7b3dSmrg * Author:
24428d7b3dSmrg *    Zou Nan hai <nanhai.zou@intel.com>
25428d7b3dSmrg *    Yan Li <li.l.yan@intel.com>
26428d7b3dSmrg *    Liu Xi bin<xibin.liu@intel.com>
27428d7b3dSmrg */
28428d7b3dSmrg/* GRF allocation:
29428d7b3dSmrg   g1~g30: constant buffer
30428d7b3dSmrg           g1~g2:intra IQ matrix
31428d7b3dSmrg           g3~g4:non intra IQ matrix
32428d7b3dSmrg           g5~g20:IDCT table
33428d7b3dSmrg   g31:    thread payload 
34428d7b3dSmrg   g32:    message descriptor for reading reference data
35428d7b3dSmrg   g58~g81:reference data
36428d7b3dSmrg   g82:    thread payload backup
37428d7b3dSmrg   g83~g106:IDCT data                           */
38428d7b3dSmrgmov (2) g31.0<1>UD g82.12<2,2,1>UW {align1};          //restore x and y
39428d7b3dSmrg
40428d7b3dSmrgand.nz (1) null g82.2<1,1,1>UW 0x20UW {align1};       //dct_type
41428d7b3dSmrg(f0) jmpi field_dct;
42428d7b3dSmrg
43428d7b3dSmrgadd (16) g58.0<1>W g83.0<16,16,1>W g58.0<16,16,2>UB {align1};
44428d7b3dSmrgadd (16) g59.0<1>W g84.0<16,16,1>W g59.0<16,16,2>UB {align1};
45428d7b3dSmrgadd (16) g60.0<1>W g85.0<16,16,1>W g60.0<16,16,2>UB {align1};
46428d7b3dSmrgadd (16) g61.0<1>W g86.0<16,16,1>W g61.0<16,16,2>UB {align1};
47428d7b3dSmrgadd (16) g62.0<1>W g87.0<16,16,1>W g62.0<16,16,2>UB {align1};
48428d7b3dSmrgadd (16) g63.0<1>W g88.0<16,16,1>W g63.0<16,16,2>UB {align1};
49428d7b3dSmrgadd (16) g64.0<1>W g89.0<16,16,1>W g64.0<16,16,2>UB {align1};
50428d7b3dSmrgadd (16) g65.0<1>W g90.0<16,16,1>W g65.0<16,16,2>UB {align1};
51428d7b3dSmrgadd (16) g66.0<1>W g91.0<16,16,1>W g66.0<16,16,2>UB {align1};
52428d7b3dSmrgadd (16) g67.0<1>W g92.0<16,16,1>W g67.0<16,16,2>UB {align1};
53428d7b3dSmrgadd (16) g68.0<1>W g93.0<16,16,1>W g68.0<16,16,2>UB {align1};
54428d7b3dSmrgadd (16) g69.0<1>W g94.0<16,16,1>W g69.0<16,16,2>UB {align1};
55428d7b3dSmrgadd (16) g70.0<1>W g95.0<16,16,1>W g70.0<16,16,2>UB {align1};
56428d7b3dSmrgadd (16) g71.0<1>W g96.0<16,16,1>W g71.0<16,16,2>UB {align1};
57428d7b3dSmrgadd (16) g72.0<1>W g97.0<16,16,1>W g72.0<16,16,2>UB {align1};
58428d7b3dSmrgadd (16) g73.0<1>W g98.0<16,16,1>W g73.0<16,16,2>UB {align1};
59428d7b3dSmrgjmpi write_back;
60428d7b3dSmrg
61428d7b3dSmrgfield_dct:
62428d7b3dSmrgadd (16) g58.0<1>W g83.0<16,16,1>W g58.0<16,16,2>UB {align1};
63428d7b3dSmrgadd (16) g59.0<1>W g91.0<16,16,1>W g59.0<16,16,2>UB {align1};
64428d7b3dSmrgadd (16) g60.0<1>W g84.0<16,16,1>W g60.0<16,16,2>UB {align1};
65428d7b3dSmrgadd (16) g61.0<1>W g92.0<16,16,1>W g61.0<16,16,2>UB {align1};
66428d7b3dSmrgadd (16) g62.0<1>W g85.0<16,16,1>W g62.0<16,16,2>UB {align1};
67428d7b3dSmrgadd (16) g63.0<1>W g93.0<16,16,1>W g63.0<16,16,2>UB {align1};
68428d7b3dSmrgadd (16) g64.0<1>W g86.0<16,16,1>W g64.0<16,16,2>UB {align1};
69428d7b3dSmrgadd (16) g65.0<1>W g94.0<16,16,1>W g65.0<16,16,2>UB {align1};
70428d7b3dSmrgadd (16) g66.0<1>W g87.0<16,16,1>W g66.0<16,16,2>UB {align1};
71428d7b3dSmrgadd (16) g67.0<1>W g95.0<16,16,1>W g67.0<16,16,2>UB {align1};
72428d7b3dSmrgadd (16) g68.0<1>W g88.0<16,16,1>W g68.0<16,16,2>UB {align1};
73428d7b3dSmrgadd (16) g69.0<1>W g96.0<16,16,1>W g69.0<16,16,2>UB {align1};
74428d7b3dSmrgadd (16) g70.0<1>W g89.0<16,16,1>W g70.0<16,16,2>UB {align1};
75428d7b3dSmrgadd (16) g71.0<1>W g97.0<16,16,1>W g71.0<16,16,2>UB {align1};
76428d7b3dSmrgadd (16) g72.0<1>W g90.0<16,16,1>W g72.0<16,16,2>UB {align1};
77428d7b3dSmrgadd (16) g73.0<1>W g98.0<16,16,1>W g73.0<16,16,2>UB {align1};
78428d7b3dSmrg
79428d7b3dSmrgwrite_back:
80428d7b3dSmrgmov (1) g31.8<1>UD 0x00F000FUD {align1};
81428d7b3dSmrgmov.sat (16) g58.0<2>UB g58.0<16,16,1>W {align1};
82428d7b3dSmrgmov.sat (16) g59.0<2>UB g59.0<16,16,1>W {align1};
83428d7b3dSmrgmov.sat (16) g60.0<2>UB g60.0<16,16,1>W {align1};
84428d7b3dSmrgmov.sat (16) g61.0<2>UB g61.0<16,16,1>W {align1};
85428d7b3dSmrgmov.sat (16) g62.0<2>UB g62.0<16,16,1>W {align1};
86428d7b3dSmrgmov.sat (16) g63.0<2>UB g63.0<16,16,1>W {align1};
87428d7b3dSmrgmov.sat (16) g64.0<2>UB g64.0<16,16,1>W {align1};
88428d7b3dSmrgmov.sat (16) g65.0<2>UB g65.0<16,16,1>W {align1};
89428d7b3dSmrgmov.sat (16) g66.0<2>UB g66.0<16,16,1>W {align1};
90428d7b3dSmrgmov.sat (16) g67.0<2>UB g67.0<16,16,1>W {align1};
91428d7b3dSmrgmov.sat (16) g68.0<2>UB g68.0<16,16,1>W {align1};
92428d7b3dSmrgmov.sat (16) g69.0<2>UB g69.0<16,16,1>W {align1};
93428d7b3dSmrgmov.sat (16) g70.0<2>UB g70.0<16,16,1>W {align1};
94428d7b3dSmrgmov.sat (16) g71.0<2>UB g71.0<16,16,1>W {align1};
95428d7b3dSmrgmov.sat (16) g72.0<2>UB g72.0<16,16,1>W {align1};
96428d7b3dSmrgmov.sat (16) g73.0<2>UB g73.0<16,16,1>W {align1};
97428d7b3dSmrg
98428d7b3dSmrgmov (16) m1.0<1>UB  g58.0<16,16,2>UB {align1};
99428d7b3dSmrgmov (16) m1.16<1>UB g59.0<16,16,2>UB {align1};
100428d7b3dSmrgmov (16) m2.0<1>UB  g60.0<16,16,2>UB {align1};
101428d7b3dSmrgmov (16) m2.16<1>UB g61.0<16,16,2>UB {align1};
102428d7b3dSmrgmov (16) m3.0<1>UB  g62.0<16,16,2>UB {align1};
103428d7b3dSmrgmov (16) m3.16<1>UB g63.0<16,16,2>UB {align1};
104428d7b3dSmrgmov (16) m4.0<1>UB  g64.0<16,16,2>UB {align1};
105428d7b3dSmrgmov (16) m4.16<1>UB g65.0<16,16,2>UB {align1};
106428d7b3dSmrgmov (16) m5.0<1>UB  g66.0<16,16,2>UB {align1};
107428d7b3dSmrgmov (16) m5.16<1>UB g67.0<16,16,2>UB {align1};
108428d7b3dSmrgmov (16) m6.0<1>UB  g68.0<16,16,2>UB {align1};
109428d7b3dSmrgmov (16) m6.16<1>UB g69.0<16,16,2>UB {align1};
110428d7b3dSmrgmov (16) m7.0<1>UB  g70.0<16,16,2>UB {align1};
111428d7b3dSmrgmov (16) m7.16<1>UB g71.0<16,16,2>UB {align1};
112428d7b3dSmrgmov (16) m8.0<1>UB  g72.0<16,16,2>UB {align1};
113428d7b3dSmrgmov (16) m8.16<1>UB g73.0<16,16,2>UB {align1};
114428d7b3dSmrgsend (16) 0 acc0<1>UW g31<8,8,1>UW write(0,0,2,0) mlen 9 rlen 0 {align1};
115428d7b3dSmrg
116428d7b3dSmrg//U
117428d7b3dSmrgmov (1) g31.8<1>UD 0x0070007UD  { align1 };
118428d7b3dSmrgshr (2) g31.0<1>UD g31.0<2,2,1>UD 1D {align1};
119428d7b3dSmrgadd (16) g74.0<1>W g99.0<16,16,1>W g74.0<16,16,1>UW {align1};
120428d7b3dSmrgadd (16) g75.0<1>W g100.0<16,16,1>W g75.0<16,16,1>UW {align1};
121428d7b3dSmrgadd (16) g76.0<1>W g101.0<16,16,1>W g76.0<16,16,1>UW {align1};
122428d7b3dSmrgadd (16) g77.0<1>W g102.0<16,16,1>W g77.0<16,16,1>UW {align1};
123428d7b3dSmrgmov.sat (16) g74.0<2>UB g74.0<16,16,1>W {align1};
124428d7b3dSmrgmov.sat (16) g75.0<2>UB g75.0<16,16,1>W {align1};
125428d7b3dSmrgmov.sat (16) g76.0<2>UB g76.0<16,16,1>W {align1};
126428d7b3dSmrgmov.sat (16) g77.0<2>UB g77.0<16,16,1>W {align1};
127428d7b3dSmrg
128428d7b3dSmrgmov (16) m1.0<1>UB g74.0<16,16,2>UB {align1};
129428d7b3dSmrgmov (16) m1.16<1>UB g75.0<16,16,2>UB {align1};
130428d7b3dSmrgmov (16) m2.0<1>UB g76.0<16,16,2>UB {align1};
131428d7b3dSmrgmov (16) m2.16<1>UB g77.0<16,16,2>UB {align1};
132428d7b3dSmrgsend (16) 0 acc0<1>UW g31<8,8,1>UW write(1, 0, 2, 0) mlen 3 rlen 0 { align1 };
133428d7b3dSmrg
134428d7b3dSmrg//V
135428d7b3dSmrgadd (16) g78.0<1>UW g103.0<16,16,1>W g78.0<16,16,1>UW {align1};
136428d7b3dSmrgadd (16) g79.0<1>UW g104.0<16,16,1>W g79.0<16,16,1>UW {align1};
137428d7b3dSmrgadd (16) g80.0<1>UW g105.0<16,16,1>W g80.0<16,16,1>UW {align1};
138428d7b3dSmrgadd (16) g81.0<1>UW g106.0<16,16,1>W g81.0<16,16,1>UW {align1};
139428d7b3dSmrgmov.sat (16) g78.0<2>UB g78.0<16,16,1>W {align1};
140428d7b3dSmrgmov.sat (16) g79.0<2>UB g79.0<16,16,1>W {align1};
141428d7b3dSmrgmov.sat (16) g80.0<2>UB g80.0<16,16,1>W {align1};
142428d7b3dSmrgmov.sat (16) g81.0<2>UB g81.0<16,16,1>W {align1};
143428d7b3dSmrg
144428d7b3dSmrgmov (16) m1.0<1>UB g78.0<16,16,2>UB {align1};
145428d7b3dSmrgmov (16) m1.16<1>UB g79.0<16,16,2>UB {align1};
146428d7b3dSmrgmov (16) m2.0<1>UB g80.0<16,16,2>UB {align1};
147428d7b3dSmrgmov (16) m2.16<1>UB g81.0<16,16,2>UB {align1};
148428d7b3dSmrgsend (16) 0 acc0<1>UW g31<8,8,1>UW write(2, 0, 2, 0) mlen 3 rlen 0 { align1 };
149428d7b3dSmrg
150428d7b3dSmrgsend (16) 0 acc0<1>UW g0<8,8,1>UW
151428d7b3dSmrg        thread_spawner(0, 0, 0) mlen 1 rlen 0 { align1 EOT};
152428d7b3dSmrg
153