1/*
2   GRF allocation:
3   g1~g30: constant buffer
4           g1~g2:intra IQ matrix
5           g3~g4:non intra IQ matrix
6           g5~g20:IDCT tab
7   g31:    read and write message descriptor
8   g32~g55:DCT data
9   g58~g81:reference data
10   g82:    thread payload 
11   g83~g106:IDCT data 
12*/
13mov (8) g82.0<1>UD g31.0<8,8,1>UD {align1};
14
15mov.sat (16) g33.0<2>UB g33.0<16,16,1>W {align1};
16mov.sat (16) g34.0<2>UB g34.0<16,16,1>W {align1};
17mov.sat (16) g35.0<2>UB g35.0<16,16,1>W {align1};
18mov.sat (16) g36.0<2>UB g36.0<16,16,1>W {align1};
19mov.sat (16) g37.0<2>UB g37.0<16,16,1>W {align1};
20mov.sat (16) g38.0<2>UB g38.0<16,16,1>W {align1};
21mov.sat (16) g39.0<2>UB g39.0<16,16,1>W {align1};
22mov.sat (16) g40.0<2>UB g40.0<16,16,1>W {align1};
23mov.sat (16) g41.0<2>UB g41.0<16,16,1>W {align1};
24mov.sat (16) g42.0<2>UB g42.0<16,16,1>W {align1};
25mov.sat (16) g43.0<2>UB g43.0<16,16,1>W {align1};
26mov.sat (16) g44.0<2>UB g44.0<16,16,1>W {align1};
27mov.sat (16) g45.0<2>UB g45.0<16,16,1>W {align1};
28mov.sat (16) g46.0<2>UB g46.0<16,16,1>W {align1};
29mov.sat (16) g47.0<2>UB g47.0<16,16,1>W {align1};
30mov.sat (16) g48.0<2>UB g48.0<16,16,1>W {align1};
31
32mov.sat (16) g49.0<2>UB g49.0<16,16,1>W {align1};
33mov.sat (16) g50.0<2>UB g50.0<16,16,1>W {align1};
34mov.sat (16) g51.0<2>UB g51.0<16,16,1>W {align1};
35mov.sat (16) g52.0<2>UB g52.0<16,16,1>W {align1};
36mov.sat (16) g53.0<2>UB g53.0<16,16,1>W {align1};
37mov.sat (16) g54.0<2>UB g54.0<16,16,1>W {align1};
38mov.sat (16) g55.0<2>UB g55.0<16,16,1>W {align1};
39mov.sat (16) g56.0<2>UB g56.0<16,16,1>W {align1};
40
41mov (1) g31.8<1>UD 0x00F000FUD {align1};
42
43and.nz (1) null g82.30<1,1,1>UB 0x1UW{align1};
44(f0) jmpi field_dct_y;
45
46mov (16) m1.0<1>UB  g33.0<16,16,2>UB {align1};
47mov (16) m1.16<1>UB g34.0<16,16,2>UB {align1};
48mov (16) m2.0<1>UB  g35.0<16,16,2>UB {align1};
49mov (16) m2.16<1>UB g36.0<16,16,2>UB {align1};
50mov (16) m3.0<1>UB  g37.0<16,16,2>UB {align1};
51mov (16) m3.16<1>UB g38.0<16,16,2>UB {align1};
52mov (16) m4.0<1>UB  g39.0<16,16,2>UB {align1};
53mov (16) m4.16<1>UB g40.0<16,16,2>UB {align1};
54mov (16) m5.0<1>UB  g41.0<16,16,2>UB {align1};
55mov (16) m5.16<1>UB g42.0<16,16,2>UB {align1};
56mov (16) m6.0<1>UB  g43.0<16,16,2>UB {align1};
57mov (16) m6.16<1>UB g44.0<16,16,2>UB {align1};
58mov (16) m7.0<1>UB  g45.0<16,16,2>UB {align1};
59mov (16) m7.16<1>UB g46.0<16,16,2>UB {align1};
60mov (16) m8.0<1>UB  g47.0<16,16,2>UB {align1};
61mov (16) m8.16<1>UB g48.0<16,16,2>UB {align1};
62jmpi write_back_y;
63
64field_dct_y:
65mov (16) m1.0<1>UB  g33.0<16,16,2>UB {align1};
66mov (16) m1.16<1>UB g41.0<16,16,2>UB {align1};
67mov (16) m2.0<1>UB  g34.0<16,16,2>UB {align1};
68mov (16) m2.16<1>UB g42.0<16,16,2>UB {align1};
69mov (16) m3.0<1>UB  g35.0<16,16,2>UB {align1};
70mov (16) m3.16<1>UB g43.0<16,16,2>UB {align1};
71mov (16) m4.0<1>UB  g36.0<16,16,2>UB {align1};
72mov (16) m4.16<1>UB g44.0<16,16,2>UB {align1};
73mov (16) m5.0<1>UB  g37.0<16,16,2>UB {align1};
74mov (16) m5.16<1>UB g45.0<16,16,2>UB {align1};
75mov (16) m6.0<1>UB  g38.0<16,16,2>UB {align1};
76mov (16) m6.16<1>UB g46.0<16,16,2>UB {align1};
77mov (16) m7.0<1>UB  g39.0<16,16,2>UB {align1};
78mov (16) m7.16<1>UB g47.0<16,16,2>UB {align1};
79mov (16) m8.0<1>UB  g40.0<16,16,2>UB {align1};
80mov (16) m8.16<1>UB g48.0<16,16,2>UB {align1};
81
82write_back_y:
83send (16) 0 acc0<1>UW g31<8,8,1>UW write(0,0,2,0) mlen 9 rlen 0 {align1};
84
85//U
86mov (1) g31.8<1>UD 0x0070007UD  { align1 };
87shr (2) g31.0<1>UD g82.0<2,2,1>UD 1D {align1};
88
89mov (16) m1.0<1>UB  g49.0<16,16,2>UB {align1};
90mov (16) m1.16<1>UB g50.0<16,16,2>UB {align1};
91mov (16) m2.0<1>UB  g51.0<16,16,2>UB {align1};
92mov (16) m2.16<1>UB g52.0<16,16,2>UB {align1};
93send (16) 0 acc0<1>UW g31<8,8,1>UW write(1, 0, 2, 0) mlen 3 rlen 0 { align1 };
94
95//V
96mov (16) m1.0<1>UB  g53.0<16,16,2>UB {align1};
97mov (16) m1.16<1>UB g54.0<16,16,2>UB {align1};
98mov (16) m2.0<1>UB  g55.0<16,16,2>UB {align1};
99mov (16) m2.16<1>UB g56.0<16,16,2>UB {align1};
100send (16) 0 acc0<1>UW g31<8,8,1>UW write(2, 0, 2, 0) mlen 3 rlen 0 { align1 };
101
102OUT:
103send (16) 0 acc0<1>UW g0<8,8,1>UW
104        thread_spawner(0, 0, 0) mlen 1 rlen 0 { align1 EOT};
105
106