103 lines
2.3 KiB
ArmAsm
103 lines
2.3 KiB
ArmAsm
/* ALU test program.
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* Test instructions
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* r7 = +/- (r0,r1);
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* r7 = -/+ (r0,r1);
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* r7 = -/- (r0,r1);
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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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// test subtraction
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R0.L = 0x000f;
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R0.H = 0x0010;
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R1.L = 0x000f;
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R1.H = 0x0010;
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R7 = 0;
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ASTAT = R7;
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R7 = R0 +|- R1;
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DBGA ( R7.L , 0x0000 );
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DBGA ( R7.H , 0x0020 );
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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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// test overflow negative on subtraction
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R0.L = 0x8000;
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R0.H = 0x0010;
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R1.L = 0x0001;
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R1.H = 0x0010;
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R7 = 0;
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ASTAT = R7;
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R7 = R0 +|- R1;
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DBGA ( R7.L , 0x7fff );
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DBGA ( R7.H , 0x0020 );
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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 , 0x1 );
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// test saturate negative on subtraction +/-
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R0.L = 0x8000;
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R0.H = 0x0010;
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R1.L = 0x0001;
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R1.H = 0x0010;
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R7 = 0;
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ASTAT = R7;
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R7 = R0 +|- R1 (S);
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DBGA ( R7.L , 0x8000 );
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DBGA ( R7.H , 0x0020 );
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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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// test saturate negative on subtraction -/+
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R0.L = 0x8000;
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R0.H = 0x8000;
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R1.L = 0x0001;
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R1.H = 0x0001;
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R7 = 0;
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ASTAT = R7;
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R7 = R0 -|+ R1 (S);
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DBGA ( R7.L , 0x8001 );
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DBGA ( R7.H , 0x8000 );
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CC = AZ; R5 = CC; DBGA ( R5.L , 0x0 );
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CC = AN; R5 = CC; DBGA ( R5.L , 0x1 );
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CC = V; R5 = CC; DBGA ( R5.L , 0x1 );
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CC = AC0; R5 = CC; DBGA ( R5.L , 0x0 );
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// test saturate negative on subtraction -/-
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R0.L = 0x8000;
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R0.H = 0x8000;
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R1.L = 0x0001;
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R1.H = 0x0001;
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R7 = 0;
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ASTAT = R7;
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R7 = R0 -|- R1 (S);
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DBGA ( R7.L , 0x8000 );
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DBGA ( R7.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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// test saturate positive on subtraction -/+
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R0.L = 0x7fff;
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R0.H = 0x7fff;
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R1.L = 0xffff;
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R1.H = 0xffff;
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R7 = 0;
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ASTAT = R7;
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R7 = R0 -|+ R1 (S);
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DBGA ( R7.L , 0x7ffe );
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DBGA ( R7.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 , 0x1 );
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pass
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