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/* GRF allocation:
g1~g30: constant buffer
g1~g2:intra IQ matrix
g3~g4:non intra IQ matrix
g5~g20:IDCT table
g31: thread payload
g32: message descriptor for reading reference data
g58~g81:reference data
g82: thread payload backup
g83~g106:IDCT data */
mov (1) g32.8<1>UD 0x007001FUD {align1};
and.nz (1) null g32.16<1,1,1>UW 1UW {align1};
(f0) jmpi read_backward;
send (16) 0 g38.0<1>UW g32<8,8,1>UW read(4, 2, 0, 2) mlen 1 rlen 8 {align1};
add (1) g32.4<1>UD g32.4<1,1,1>UD 8UD {align1};
send (16) 0 g46.0<1>UW g32<8,8,1>UW read(4, 2, 0, 2) mlen 1 rlen 8 {align1};
add (1) g32.4<1>UD g32.4<1,1,1>UD 8UD {align1};
mov (1) g32.8<1>UD 0x1FUD {align1};
send (16) 0 g54.0<1>UW g32<8,8,1>UW read(4, 2, 0, 2) mlen 1 rlen 1 {align1};
jmpi put_data;
read_backward:
send (16) 0 g38.0<1>UW g32<8,8,1>UW read(7, 2, 0, 2) mlen 1 rlen 8 {align1};
add (1) g32.4<1>UD g32.4<1,1,1>UD 8UD {align1};
send (16) 0 g46.0<1>UW g32<8,8,1>UW read(7, 2, 0, 2) mlen 1 rlen 8 {align1};
add (1) g32.4<1>UD g32.4<1,1,1>UD 8UD {align1};
mov (1) g32.8<1>UD 0x1FUD {align1};
send (16) 0 g54.0<1>UW g32<8,8,1>UW read(7, 2, 0, 2) mlen 1 rlen 1 {align1};
put_data:
avg (16) g58.0<1>UW g38.0<16,16,1>UB g39.0<16,16,1>UB {align1};
avg (16) g59.0<1>UW g39.0<16,16,1>UB g40.0<16,16,1>UB {align1};
avg (16) g60.0<1>UW g40.0<16,16,1>UB g41.0<16,16,1>UB {align1};
avg (16) g61.0<1>UW g41.0<16,16,1>UB g42.0<16,16,1>UB {align1};
avg (16) g62.0<1>UW g42.0<16,16,1>UB g43.0<16,16,1>UB {align1};
avg (16) g63.0<1>UW g43.0<16,16,1>UB g44.0<16,16,1>UB {align1};
avg (16) g64.0<1>UW g44.0<16,16,1>UB g45.0<16,16,1>UB {align1};
avg (16) g65.0<1>UW g45.0<16,16,1>UB g46.0<16,16,1>UB {align1};
avg (16) g66.0<1>UW g46.0<16,16,1>UB g47.0<16,16,1>UB {align1};
avg (16) g67.0<1>UW g47.0<16,16,1>UB g48.0<16,16,1>UB {align1};
avg (16) g68.0<1>UW g48.0<16,16,1>UB g49.0<16,16,1>UB {align1};
avg (16) g69.0<1>UW g49.0<16,16,1>UB g50.0<16,16,1>UB {align1};
avg (16) g70.0<1>UW g50.0<16,16,1>UB g51.0<16,16,1>UB {align1};
avg (16) g71.0<1>UW g51.0<16,16,1>UB g52.0<16,16,1>UB {align1};
avg (16) g72.0<1>UW g52.0<16,16,1>UB g53.0<16,16,1>UB {align1};
avg (16) g73.0<1>UW g53.0<16,16,1>UB g54.0<16,16,1>UB {align1};
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