derek.holloway
7502bf64a4
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141 lines
3.3 KiB
ArmAsm
141 lines
3.3 KiB
ArmAsm
// REG-BASED dual 16b SHIFT test program.
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// Test r4 = ASHIFT/ASHIFT (r2 by rl1);
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// Test r4 = ASHIFT/ASHIFT (r2 by rl1) S;
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// Test r4 = LSHIFT/LSHIFT (r2 by rl1);
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# mach: bfin
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.include "testutils.inc"
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start
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// arithmetic
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// left by largest positive magnitude of 15 (0xf)
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// 8001 -> 8000
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R7 = 0;
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ASTAT = R7;
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R0.L = 0x8001;
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R0.H = 0x0100;
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R1.L = 15;
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R6 = ASHIFT R0 BY R1.L (V);
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DBGA ( R6.L , 0x8000 );
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DBGA ( R6.H , 0x0000 );
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CC = AZ; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AN; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
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// arithmetic
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// left by largest positive magnitude of 15 (0xf) with saturation
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R7 = 0;
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ASTAT = R7;
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R0.L = 0x8001;
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R0.H = 0x0100;
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R1.L = 15;
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R6 = ASHIFT R0 BY R1.L (V , S);
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DBGA ( R6.L , 0x8000 );
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DBGA ( R6.H , 0x7fff );
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CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AN; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
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// arithmetic
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// left by 1
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R7 = 0;
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ASTAT = R7;
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R0.L = 0x8001;
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R0.H = 0x0100;
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R1.L = 1;
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R6 = ASHIFT R0 BY R1.L (V);
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DBGA ( R6.L , 0x0002 );
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DBGA ( R6.H , 0x0200 );
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CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
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// arithmetic
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// left by 1 saturating
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R7 = 0;
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ASTAT = R7;
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R0.L = 0x8001;
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R0.H = 0x0100;
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R1.L = 1;
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R6 = ASHIFT R0 BY R1.L (V , S);
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DBGA ( R6.L , 0x8000 );
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DBGA ( R6.H , 0x0200 );
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CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AN; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
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// arithmetic
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// left by 15 saturating
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R7 = 0;
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ASTAT = R7;
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R0.L = 0xfff0;
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R0.H = 0x0000;
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R1.L = 15;
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R6 = ASHIFT R0 BY R1.L (V , S);
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DBGA ( R6.L , 0x8000 );
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DBGA ( R6.H , 0x0000 );
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CC = AZ; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AN; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
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// arithmetic
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// right by 15
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R7 = 0;
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ASTAT = R7;
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R0.L = 0x8000;
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R0.H = 0x0100;
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R1.L = -15;
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R6 = ASHIFT R0 BY R1.L (V);
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DBGA ( R6.L , 0xffff );
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DBGA ( R6.H , 0x0000 );
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CC = AZ; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AN; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
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// arithmetic
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// right by 15 (sat has no effect)
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R7 = 0;
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ASTAT = R7;
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R0.L = 0x8000;
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R0.H = 0x0100;
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R1.L = -15;
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R6 = ASHIFT R0 BY R1.L (V , S);
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DBGA ( R6.L , 0xffff );
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DBGA ( R6.H , 0x0000 );
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CC = AZ; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AN; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
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// logic
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// right by 15
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R7 = 0;
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ASTAT = R7;
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R0.L = 0x8000;
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R0.H = 0x0100;
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R1.L = -15;
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R6 = LSHIFT R0 BY R1.L (V);
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DBGA ( R6.L , 0x0001 );
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DBGA ( R6.H , 0x0000 );
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CC = AZ; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
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pass
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