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// MAC test program.
// Test basic edge values
// SIGNED FRACTIONAL mode
// test ops: "+=" "-=" "=" "NOP"
# mach: bfin
.include "testutils.inc"
start
// load r0=0x80007fff
// load r1=0x80007fff
// load r2=0xf0000000
// load r3=0x0000007f
// load r4=0x00000080
loadsym P0, data0;
R0 = [ P0 ++ ];
R1 = [ P0 ++ ];
R2 = [ P0 ++ ];
R3 = [ P0 ++ ];
R4 = [ P0 ++ ];
// 0x7fff * 0x7fff = 0x007ffe0002
R7 = 0;
ASTAT = R7;
A1 = A0 = 0;
A1 += R0.L * R1.L, A0 += R0.L * R1.L;
R6 = A1.w;
_DBG ASTAT;
_DBG A0;
R7.L = A1.x;
_DBG ASTAT;
DBGA ( R6.L , 0x0002 );
DBGA ( R6.H , 0x7ffe );
DBGA ( R7.L , 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 = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
// 0x8000 * 0x7fff = 0xff80010000
R7 = 0;
ASTAT = R7;
A1 = A0 = 0;
A1 += R0.H * R1.L, A0 += R0.H * R1.L;
R6 = A1.w;
R7.L = A1.x;
DBGA ( R6.L , 0x0000 );
DBGA ( R6.H , 0x8001 );
DBGA ( R7.L , 0xffff );
_DBG ASTAT;
R7 = ASTAT;
DBGA (R7.H, 0x0);
DBGA (R7.L, 0x0);
// 0x8000 * 0x8000 = 0x007fffffff
R7 = 0;
ASTAT = R7;
A1 = A0 = 0;
A1 += R0.H * R1.H, A0 += R0.H * R1.H;
R6 = A1.w;
R7.L = A1.x;
DBGA ( R6.L , 0x0000 );
DBGA ( R6.H , 0x8000 );
DBGA ( R7.L , 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 = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
// saturate positive by first loading large value into accums
// expected value is 0x7fffffffff
R7 = 0;
ASTAT = R7;
A1 = A0 = 0;
A1.w = R2;
A1.x = R3.L;
A0.w = R2;
A0.x = R3.L;
A1 += R0.L * R1.L, A0 += R0.L * R1.L;
R6 = A1.w;
R7.L = A1.x;
DBGA ( R6.L , 0xffff );
DBGA ( R6.H , 0xffff );
DBGA ( R7.L , 0x007f );
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 = AV0; R7 = CC; DBGA ( R7.L , 0x1 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x1 );
// saturate negative
// expected value is 0x8000000000
R7 = 0;
ASTAT = R7;
A1 = A0 = 0;
A1.x = R4.L;
A0.x = R4.L;
A1 += R0.L * R1.H, A0 += R0.L * R1.H;
R6 = A1.w;
_DBG ASTAT;
R7.L = A1.x;
_DBG ASTAT;
DBGA ( R6.L , 0x0000 );
DBGA ( R6.H , 0x0000 );
DBGA ( R7.L , 0xff80 );
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 = AV0; R7 = CC; DBGA ( R7.L , 0x1 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x1 );
// saturate positive with "-="
// expected value is 0x7fffffffff
R7 = 0;
ASTAT = R7;
A1 = A0 = 0;
A1.w = R2;
A1.x = R3.L;
A0.w = R2;
A0.x = R3.L;
A1 -= R0.H * R1.L, A0 -= R0.H * R1.L;
R6 = A1.w;
R7.L = A1.x;
DBGA ( R6.L , 0xffff );
DBGA ( R6.H , 0xffff );
DBGA ( R7.L , 0x007f );
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 = AV0; R7 = CC; DBGA ( R7.L , 0x1 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x1 );
// saturate negative with "-="
// expected value is 0x8000000000
R7 = 0;
ASTAT = R7;
A1 = A0 = 0;
A1.x = R4.L;
A0.x = R4.L;
A1 -= R0.L * R1.L, A0 -= R0.L * R1.L;
R6 = A1.w;
_DBG ASTAT;
R7.L = A1.x;
_DBG ASTAT;
DBGA ( R6.L , 0x0000 );
DBGA ( R6.H , 0x0000 );
DBGA ( R7.L , 0xff80 );
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 = AV0; R7 = CC; DBGA ( R7.L , 0x1 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x1 );
// 0x8000 * 0x8000 = 0xff80000001 with "-="
R7 = 0;
ASTAT = R7;
A1 = A0 = 0;
A1 -= R0.H * R1.H, A0 -= R0.H * R1.H;
R6 = A1.w;
_DBG ASTAT;
R7.L = A1.x;
_DBG ASTAT;
DBGA ( R6.L , 0x0000 );
DBGA ( R6.H , 0x8000 );
DBGA ( R7.L , 0xffff );
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 = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
// 0x7fff * 0x7fff = 0x007ffe0002 with "="
R7 = 0;
ASTAT = R7;
A1 = A0 = 0;
A1 += R0.L * R1.L, A0 += R0.L * R1.L;
A1 = R0.L * R1.L, A0 = R0.L * R1.L;
R6 = A1.w;
R7.L = A1.x;
DBGA ( R6.L , 0x0002 );
DBGA ( R6.H , 0x7ffe );
DBGA ( R7.L , 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 = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
// 0x7fff * 0x7fff = 0x007ffe0002 with "NOP"
R7 = 0;
ASTAT = R7;
A1 = A0 = 0;
A1 += R0.L * R1.L;
R6 = A1.w;
R7.L = A1.x;
DBGA ( R6.L , 0x0002 );
DBGA ( R6.H , 0x7ffe );
DBGA ( R7.L , 0x0000 );
R6 = A0.w;
R7.L = A0.x;
DBGA ( R6.L , 0x0000 );
DBGA ( R6.H , 0x0000 );
DBGA ( R7.L , 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 = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
// 0x8000 * 0x8000 = 0x007fffffff with "NOP"
R7 = 0;
ASTAT = R7;
A1 = A0 = 0;
A1 += R0.H * R1.H;
_DBG A1;
R6 = A1.w;
R7.L = A1.x;
DBGA ( R6.L , 0x0000 );
DBGA ( R6.H , 0x8000 );
DBGA ( R7.L , 0x0000 );
R6 = A0.w;
_DBG ASTAT;
R7.L = A0.x;
_DBG ASTAT;
DBGA ( R6.L , 0x0000 );
DBGA ( R6.H , 0x0000 );
DBGA ( R7.L , 0x0000 );
R7 = ASTAT; _dbg astat;
//AV1 AV1S should be 0.
DBGA ( R7.H , 0x0000 );
DBGA ( R7.L , 0x0000 );
_DBG ASTAT;
A1 = A0 = 0;
_DBG A1;
_DBG R0; _DBG R1;
A1 += R0.L * R1.L; // make sure overflow flag is not set to zero
_DBG A1;
_DBG ASTAT;
R7 = ASTAT;
//AV1S should be 0.
DBGA ( R7.H, 0x0000 );
DBGA ( R7.L, 0x0000 );
pass
.data
data0:
.dw 0x7fff
.dw 0x8000
.dw 0x7fff
.dw 0x8000
.dw 0x0000
.dw 0xf000
.dw 0x007f
.dw 0x0000
.dw 0x0080
.dw 0x0000
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