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141 lines
3.0 KiB
ArmAsm
141 lines
3.0 KiB
ArmAsm
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// ALU test program.
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// Test instructions
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// rL4= L+L (r2,r3);
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// rH4= L+H (r2,r3) S;
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// rL4= L-L (r2,r3);
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// rH4= L-H (r2,r3) S;
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# mach: bfin
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.include "testutils.inc"
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start
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init_r_regs 0;
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ASTAT = R0;
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// overflow positive
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R0.L = 0x0000;
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R0.H = 0x7fff;
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R1.L = 0x7fff;
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R1.H = 0x0000;
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R7 = 0;
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ASTAT = R7;
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R3.L = R0.H + R1.L (NS);
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DBGA ( R3.L , 0xfffe );
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DBGA ( R3.H , 0x0000 );
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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 , 0x0 );
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// overflow negative
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R0.L = 0xffff;
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R0.H = 0x0000;
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R1.L = 0x0000;
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R1.H = 0x8000;
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R3 = 0;
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R7 = 0;
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ASTAT = R7;
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R3.H = R0.L + R1.H (NS);
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DBGA ( R3.L , 0x0000 );
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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 , 0x1 );
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// saturate positive
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R0.L = 0x0000;
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R0.H = 0x7fff;
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R1.L = 0x7fff;
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R1.H = 0x0000;
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R3 = 0;
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R7 = 0;
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ASTAT = R7;
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R3.L = R0.H + R1.L (S);
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DBGA ( R3.L , 0x7fff );
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DBGA ( R3.H , 0x0000 );
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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 = 0xffff;
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R0.H = 0x0000;
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R1.L = 0x0000;
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R1.H = 0x8000;
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R3 = 0;
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R7 = 0;
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ASTAT = R7;
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R3.L = R0.L + R1.H (S);
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DBGA ( R3.L , 0x8000 );
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DBGA ( R3.H , 0x0000 );
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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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// overflow positive with subtraction
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R0.L = 0x0000;
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R0.H = 0x7fff;
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R1.L = 0xffff;
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R1.H = 0x0000;
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R7 = 0;
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ASTAT = R7;
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R3.L = R0.H - R1.L (NS);
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DBGA ( R3.L , 0x8000 );
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DBGA ( R3.H , 0x0000 );
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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 , 0x0 );
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// overflow negative with subtraction
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R0.L = 0x8000;
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R0.H = 0x0000;
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R1.L = 0x0000;
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R1.H = 0x0001;
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R3 = 0;
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R7 = 0;
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ASTAT = R7;
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R3.H = R0.L - R1.H (NS);
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DBGA ( R3.L , 0x0000 );
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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 , 0x1 );
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// saturate positive with subtraction
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R0.L = 0x0000;
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R0.H = 0x7fff;
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R1.L = 0xffff;
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R1.H = 0x0000;
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R7 = 0;
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ASTAT = R7;
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R3.H = R0.H - R1.L (S);
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DBGA ( R3.L , 0x0000 );
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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 = 0x8000;
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R0.H = 0x0000;
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R1.L = 0x0000;
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R1.H = 0x0001;
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R3 = 0;
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R7 = 0;
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ASTAT = R7;
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R3.H = R0.L - R1.H (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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