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// ALU test program.
// Test 32 bit MAX, MIN, ABS instructions
# mach: bfin
.include "testutils.inc"
start
// MAX
// first operand is larger, so AN=0
R0.L = 0x0001;
R0.H = 0x0000;
R1.L = 0x0000;
R1.H = 0x0000;
R7 = MAX ( R0 , R1 );
DBGA ( R7.L , 0x0001 );
DBGA ( R7.H , 0x0000 );
CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = V; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
// second operand is larger, so AN=1
R0.L = 0x0000;
R0.H = 0x0000;
R1.L = 0x0001;
R1.H = 0x0000;
R7 = MAX ( R0 , R1 );
DBGA ( R7.L , 0x0001 );
DBGA ( R7.H , 0x0000 );
CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = V; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
// first operand is larger, check correct output with overflow
R0.L = 0xffff;
R0.H = 0x7fff;
R1.L = 0xffff;
R1.H = 0xffff;
R7 = MAX ( R0 , R1 );
DBGA ( R7.L , 0xffff );
DBGA ( R7.H , 0x7fff );
CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = V; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
// second operand is larger, no overflow here
R0.L = 0xffff;
R0.H = 0xffff;
R1.L = 0xffff;
R1.H = 0x7fff;
R7 = MAX ( R0 , R1 );
DBGA ( R7.L , 0xffff );
DBGA ( R7.H , 0x7fff );
CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = V; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
// second operand is larger, overflow
R0.L = 0xffff;
R0.H = 0x800f;
R1.L = 0xffff;
R1.H = 0x7fff;
R7 = MAX ( R0 , R1 );
DBGA ( R7.L , 0xffff );
DBGA ( R7.H , 0x7fff );
CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = V; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV0S; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1S; R7 = CC; DBGA ( R7.L , 0x0 );
// both operands equal
R0.L = 0x0080;
R0.H = 0x8000;
R1.L = 0x0080;
R1.H = 0x8000;
R7 = MAX ( R0 , R1 );
DBGA ( R7.L , 0x0080 );
DBGA ( R7.H , 0x8000 );
CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AN; R7 = CC; DBGA ( R7.L , 0x1 );
CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = V; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
// MIN
// second operand is smaller
R0.L = 0x0001;
R0.H = 0x0000;
R1.L = 0x0000;
R1.H = 0x0000;
R7 = MIN ( R0 , R1 );
DBGA ( R7.L , 0x0000 );
DBGA ( R7.H , 0x0000 );
CC = AZ; R7 = CC; DBGA ( R7.L , 0x1 );
CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = V; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
// first operand is smaller
R0.L = 0x0001;
R0.H = 0x8000;
R1.L = 0x0000;
R1.H = 0x0000;
R7 = MIN ( R0 , R1 );
DBGA ( R7.L , 0x0001 );
DBGA ( R7.H , 0x8000 );
CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AN; R7 = CC; DBGA ( R7.L , 0x1 );
CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = V; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
// first operand is smaller, overflow
R0.L = 0x0001;
R0.H = 0x8000;
R1.L = 0x0000;
R1.H = 0x0ff0;
R7 = MIN ( R0 , R1 );
DBGA ( R7.L , 0x0001 );
DBGA ( R7.H , 0x8000 );
CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AN; R7 = CC; DBGA ( R7.L , 0x1 );
CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = V; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
// equal operands
R0.L = 0x0001;
R0.H = 0x8000;
R1.L = 0x0001;
R1.H = 0x8000;
R7 = MIN ( R0 , R1 );
DBGA ( R7.L , 0x0001 );
DBGA ( R7.H , 0x8000 );
CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AN; R7 = CC; DBGA ( R7.L , 0x1 );
CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = V; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
// ABS
R0.L = 0x0001;
R0.H = 0x8000;
R7 = ABS R0;
_DBG R7;
_DBG ASTAT;
R6 = ASTAT;
_DBG R6;
DBGA ( R7.L , 0xffff );
DBGA ( R7.H , 0x7fff );
//CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
//CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
//CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
//CC = V; R7 = CC; DBGA ( R7.L , 0x1 );
//CC = VS; R7 = CC; DBGA ( R7.L , 0x1 );
//CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
R0.L = 0x0001;
R0.H = 0x0000;
R7 = ABS R0;
DBGA ( R7.L , 0x0001 );
DBGA ( R7.H , 0x0000 );
CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = V; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
R0.L = 0x0000;
R0.H = 0x8000;
R7 = ABS R0;
DBGA ( R7.L , 0xffff );
DBGA ( R7.H , 0x7fff );
CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = V; R7 = CC; DBGA ( R7.L , 0x1 );
CC = VS; R7 = CC; DBGA ( R7.L , 0x1 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
R0.L = 0xffff;
R0.H = 0xffff;
R7 = ABS R0;
DBGA ( R7.L , 0x0001 );
DBGA ( R7.H , 0x0000 );
CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = V; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
R0.L = 0x0000;
R0.H = 0x0000;
R7 = ABS R0;
_DBG R7;
_DBG ASTAT;
R6 = ASTAT;
_DBG R6;
DBGA ( R7.L , 0x0000 );
DBGA ( R7.H , 0x0000 );
CC = VS; R6 = CC; DBGA (R6.L, 0x1);
CC = AZ; R6 = CC; DBGA (R6.L, 0x1);
pass
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