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// ALU test program.
// Test instructions
// rL4= L+L (r2,r3);
// rH4= L+H (r2,r3) S;
// rL4= L-L (r2,r3);
// rH4= L-H (r2,r3) S;
# mach: bfin
.include "testutils.inc"
start
init_r_regs 0;
ASTAT = R0;
// overflow positive
R0.L = 0x0000;
R0.H = 0x7fff;
R1.L = 0x7fff;
R1.H = 0x0000;
R7 = 0;
ASTAT = R7;
R3.L = R0.H + R1.L (NS);
DBGA ( R3.L , 0xfffe );
DBGA ( R3.H , 0x0000 );
CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AN; R7 = CC; DBGA ( R7.L , 0x1 );
CC = V; R7 = CC; DBGA ( R7.L , 0x1 );
CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
// overflow negative
R0.L = 0xffff;
R0.H = 0x0000;
R1.L = 0x0000;
R1.H = 0x8000;
R3 = 0;
R7 = 0;
ASTAT = R7;
R3.H = R0.L + R1.H (NS);
DBGA ( R3.L , 0x0000 );
DBGA ( R3.H , 0x7fff );
CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
CC = V; R7 = CC; DBGA ( R7.L , 0x1 );
CC = AC0; R7 = CC; DBGA ( R7.L , 0x1 );
// saturate positive
R0.L = 0x0000;
R0.H = 0x7fff;
R1.L = 0x7fff;
R1.H = 0x0000;
R3 = 0;
R7 = 0;
ASTAT = R7;
R3.L = R0.H + R1.L (S);
DBGA ( R3.L , 0x7fff );
DBGA ( R3.H , 0x0000 );
CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
CC = V; R7 = CC; DBGA ( R7.L , 0x1 );
CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
// saturate negative
R0.L = 0xffff;
R0.H = 0x0000;
R1.L = 0x0000;
R1.H = 0x8000;
R3 = 0;
R7 = 0;
ASTAT = R7;
R3.L = R0.L + R1.H (S);
DBGA ( R3.L , 0x8000 );
DBGA ( R3.H , 0x0000 );
CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AN; R7 = CC; DBGA ( R7.L , 0x1 );
CC = V; R7 = CC; DBGA ( R7.L , 0x1 );
CC = AC0; R7 = CC; DBGA ( R7.L , 0x1 );
// overflow positive with subtraction
R0.L = 0x0000;
R0.H = 0x7fff;
R1.L = 0xffff;
R1.H = 0x0000;
R7 = 0;
ASTAT = R7;
R3.L = R0.H - R1.L (NS);
DBGA ( R3.L , 0x8000 );
DBGA ( R3.H , 0x0000 );
CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AN; R7 = CC; DBGA ( R7.L , 0x1 );
CC = V; R7 = CC; DBGA ( R7.L , 0x1 );
CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
// overflow negative with subtraction
R0.L = 0x8000;
R0.H = 0x0000;
R1.L = 0x0000;
R1.H = 0x0001;
R3 = 0;
R7 = 0;
ASTAT = R7;
R3.H = R0.L - R1.H (NS);
DBGA ( R3.L , 0x0000 );
DBGA ( R3.H , 0x7fff );
CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
CC = V; R7 = CC; DBGA ( R7.L , 0x1 );
CC = AC0; R7 = CC; DBGA ( R7.L , 0x1 );
// saturate positive with subtraction
R0.L = 0x0000;
R0.H = 0x7fff;
R1.L = 0xffff;
R1.H = 0x0000;
R7 = 0;
ASTAT = R7;
R3.H = R0.H - R1.L (S);
DBGA ( R3.L , 0x0000 );
DBGA ( R3.H , 0x7fff );
CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
CC = V; R7 = CC; DBGA ( R7.L , 0x1 );
CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
// saturate negative with subtraction
R0.L = 0x8000;
R0.H = 0x0000;
R1.L = 0x0000;
R1.H = 0x0001;
R3 = 0;
R7 = 0;
ASTAT = R7;
R3.H = R0.L - R1.H (S);
DBGA ( R3.L , 0x0000 );
DBGA ( R3.H , 0x8000 );
CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AN; R7 = CC; DBGA ( R7.L , 0x1 );
CC = V; R7 = CC; DBGA ( R7.L , 0x1 );
CC = AC0; R7 = CC; DBGA ( R7.L , 0x1 );
pass
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