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- // SHIFT test program.
- // Test A0 = ASHIFT (A0 by r3);
- # mach: bfin
- .include "testutils.inc"
- start
- // load r0=0x0000001f
- // load r1=0x00000020
- // load r2=0x00000000
- // load r3=0x00000000
- // load r4=0x00000001
- // load r5=0x00000080
- loadsym P0, data0;
- P1 = P0;
- R0 = [ P0 ++ ];
- R1 = [ P0 ++ ];
- R2 = [ P0 ++ ];
- R3 = [ P0 ++ ];
- R4 = [ P0 ++ ];
- R5 = [ P0 ++ ];
- // left by largest positive magnitude of 31 (0x1f)
- // A0: 80 0000 0001 -> 80 0000 0000
- R7 = 0;
- ASTAT = R7;
- A0.w = R4;
- A0.x = R5.L;
- A0 = ASHIFT A0 BY R0.L;
- R6 = A0.w;
- R7.L = A0.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 );
- // left by largest positive magnitude + 1 = 32 (0x20), which is -32
- // A0: 80 0000 0001 ->
- R7 = 0;
- ASTAT = R7;
- A0.w = R4;
- A0.x = R5.L;
- A0 = ASHIFT A0 BY R1.L;
- R6 = A0.w;
- R7.L = A0.x;
- DBGA ( R6.L , 0xff80 );
- DBGA ( R6.H , 0xffff );
- DBGA ( R7.L , 0xffff );
- 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 = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
- CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
- // by -1
- // A0: 80 0000 0001 -> c0 0000 0000
- A0.w = R4;
- A0.x = R5.L;
- R3.L = 0x00ff;
- A0 = ASHIFT A0 BY R3.L;
- R6 = A0.w;
- R7.L = A0.x;
- DBGA ( R6.L , 0x0000 );
- DBGA ( R6.H , 0x0000 );
- DBGA ( R7.L , 0xffc0 );
- pass
- .data
- data0:
- .dw 0x001f
- .dw 0x0000
- .dw 0x0020
- .dw 0x0000
- .dw 0x0059
- .dw 0x0000
- .dw 0x005a
- .dw 0x0000
- .dw 0x0001
- .dw 0x0000
- .dw 0x0080
- .dw 0x0000
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