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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
g58~g81:reference data
g82: thread payload backup
g83~g106:IDCT data
g115: message descriptor for reading reference data
*/
mov (1) g115.8<1>UD 0x07001FUD {align1};
and.nz (1) null g115.16<1,1,1>UW 1UW {align1};
(f0) jmpi read_backward;
send (16) 0 g40.0<1>UW g115<8,8,1>UW read(4,2,0,2) mlen 1 rlen 8 {align1};
add (1) g115.4<1>UD g115.4<1,1,1>UD 8UD {align1};
send (16) 0 g48.0<1>UW g115<8,8,1>UW read(4,2,0,2) mlen 1 rlen 8 {align1};
add (1) g115.4<1>UD g115.4<1,1,1>UD 8UD {align1};
mov (1) g115.8<1>UD 0x1FUD {align1};
send (16) 0 g56.0<1>UW g115<8,8,1>UW read(4,2,0,2) mlen 1 rlen 1 {align1};
jmpi put_data;
read_backward:
send (16) 0 g40.0<1>UW g115<8,8,1>UW read(7,2,0,2) mlen 1 rlen 8 {align1};
add (1) g115.4<1>UD g115.4<1,1,1>UD 8UD {align1};
send (16) 0 g48.0<1>UW g115<8,8,1>UW read(7,2,0,2) mlen 1 rlen 8 {align1};
add (1) g115.4<1>UD g115.4<1,1,1>UD 8UD {align1};
mov (1) g115.8<1>UD 0x1FUD {align1};
send (16) 0 g56.0<1>UW g115<8,8,1>UW read(7,2,0,2) mlen 1 rlen 1 {align1};
put_data:
add (16) g32.0<1>UW g40.0<16,16,1>UB g42.0<16,16,1>UB {align1};
add (16) g33.0<1>UW g42.0<16,16,1>UB g44.0<16,16,1>UB {align1};
add (16) g34.0<1>UW g44.0<16,16,1>UB g46.0<16,16,1>UB {align1};
add (16) g35.0<1>UW g46.0<16,16,1>UB g48.0<16,16,1>UB {align1};
add (16) g36.0<1>UW g48.0<16,16,1>UB g50.0<16,16,1>UB {align1};
add (16) g37.0<1>UW g50.0<16,16,1>UB g52.0<16,16,1>UB {align1};
add (16) g38.0<1>UW g52.0<16,16,1>UB g54.0<16,16,1>UB {align1};
add (16) g39.0<1>UW g54.0<16,16,1>UB g56.0<16,16,1>UB {align1};
add (16) g32.0<1>UW g32.0<16,16,1>UW g40.1<16,16,1>UB {align1};
add (16) g33.0<1>UW g33.0<16,16,1>UW g42.1<16,16,1>UB {align1};
add (16) g34.0<1>UW g34.0<16,16,1>UW g44.1<16,16,1>UB {align1};
add (16) g35.0<1>UW g35.0<16,16,1>UW g46.1<16,16,1>UB {align1};
add (16) g36.0<1>UW g36.0<16,16,1>UW g48.1<16,16,1>UB {align1};
add (16) g37.0<1>UW g37.0<16,16,1>UW g50.1<16,16,1>UB {align1};
add (16) g38.0<1>UW g38.0<16,16,1>UW g52.1<16,16,1>UB {align1};
add (16) g39.0<1>UW g39.0<16,16,1>UW g54.1<16,16,1>UB {align1};
add (16) g32.0<1>UW g32.0<16,16,1>UW g42.1<16,16,1>UB {align1};
add (16) g33.0<1>UW g33.0<16,16,1>UW g44.1<16,16,1>UB {align1};
add (16) g34.0<1>UW g34.0<16,16,1>UW g46.1<16,16,1>UB {align1};
add (16) g35.0<1>UW g35.0<16,16,1>UW g48.1<16,16,1>UB {align1};
add (16) g36.0<1>UW g36.0<16,16,1>UW g50.1<16,16,1>UB {align1};
add (16) g37.0<1>UW g37.0<16,16,1>UW g52.1<16,16,1>UB {align1};
add (16) g38.0<1>UW g38.0<16,16,1>UW g54.1<16,16,1>UB {align1};
add (16) g39.0<1>UW g39.0<16,16,1>UW g56.1<16,16,1>UB {align1};
shr (32) g32.0<1>UW g32.0<16,16,1>UW 2UW {align1 compr};
shr (32) g34.0<1>UW g34.0<16,16,1>UW 2UW {align1 compr};
shr (32) g36.0<1>UW g36.0<16,16,1>UW 2UW {align1 compr};
shr (32) g38.0<1>UW g38.0<16,16,1>UW 2UW {align1 compr};
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