derek.holloway
7502bf64a4
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114 lines
2.4 KiB
ArmAsm
114 lines
2.4 KiB
ArmAsm
/* ALU test program.
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* Test instructions
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* r3= + (r0,r0);
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* r3= + (r0,r0) s;
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* r3= - (r0,r0);
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* r3= - (r0,r0) s;
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*/
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# mach: bfin
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.include "testutils.inc"
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start
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// overflow positive
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R0.L = 0xffff;
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R0.H = 0x7fff;
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R7 = 0;
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ASTAT = R7;
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R3 = R0 + R0 (NS);
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DBGA ( R3.L , 0xfffe );
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DBGA ( R3.H , 0xffff );
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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 = V; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = VS; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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// overflow negative
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R0.L = 0x0000;
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R0.H = 0x8000;
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R7 = 0;
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ASTAT = R7;
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R3 = R0 + R0 (NS);
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DBGA ( R3.L , 0x0000 );
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DBGA ( R3.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 = V; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x1 );
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// zero
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R0.L = 0xffff;
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R0.H = 0xffff;
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R1.L = 0x0001;
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R1.H = 0x0000;
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R7 = 0;
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ASTAT = R7;
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R3 = R1 + R0 (NS);
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DBGA ( R3.L , 0x0000 );
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DBGA ( R3.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 = V; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x1 );
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// saturate positive
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R0.L = 0;
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R0.H = 0x7fff;
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R7 = 0;
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ASTAT = R7;
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R3 = R0 + R0 (S);
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DBGA ( R3.L , 0xffff );
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DBGA ( R3.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 , 0x0 );
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CC = V; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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// saturate negative
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R0.L = 0;
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R0.H = 0x8000;
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R7 = 0;
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ASTAT = R7;
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R3 = R0 + R0 (S);
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DBGA ( R3.L , 0x0000 );
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DBGA ( R3.H , 0x8000 );
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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 = V; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x1 );
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// saturate positive with subtraction
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R0.L = 0xffff;
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R0.H = 0xffff;
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R1.L = 0xffff;
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R1.H = 0x7fff;
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R7 = 0;
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ASTAT = R7;
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R3 = R1 - R0 (S);
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DBGA ( R3.L , 0xffff );
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DBGA ( R3.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 , 0x0 );
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CC = V; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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// saturate negative with subtraction
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R0.L = 0x1;
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R0.H = 0x0;
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R1.L = 0x0000;
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R1.H = 0x8000;
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R7 = 0;
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ASTAT = R7;
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R3 = R1 - R0 (S);
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DBGA ( R3.L , 0x0000 );
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DBGA ( R3.H , 0x8000 );
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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 = V; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x1 );
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pass
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