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// reg-based SHIFT test program.
// Test r4 = ASHIFT (r2 by rl3);
// Test r4 = LSHIFT (r2 by rl3);
# mach: bfin
.include "testutils.inc"
start
R0.L = 0x0001;
R0.H = 0x8000;
// arithmetic
// left by 31
// 8000 0001 -> 8000 0000
R7 = 0;
ASTAT = R7;
R3.L = 31;
R3.H = 0;
R6 = ASHIFT R0 BY R3.L;
DBGA ( R6.L , 0x0000 );
DBGA ( R6.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 = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
// arithmetic
// left by 32
// 8000 0001 -> 8000 0000
R7 = 0;
ASTAT = R7;
R3.L = 32;
R3.H = 0;
R6 = ASHIFT R0 BY R3.L;
DBGA ( R6.L , 0xffff );
DBGA ( R6.H , 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 );
// arithmetic
// left by 40
// 8000 0001 -> 8000 0000
R7 = 0;
ASTAT = R7;
R3.L = 40;
R3.H = 0;
R6 = ASHIFT R0 BY R3.L;
DBGA ( R6.L , 0xFF80 );
DBGA ( R6.H , 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 );
// arithmetic
// left by -32
// 8000 0001 -> 8000 0000
R7 = 0;
ASTAT = R7;
R3.L = -32;
R3.H = 0;
R6 = ASHIFT R0 BY R3.L;
DBGA ( R6.L , 0xffff );
DBGA ( R6.H , 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 );
// arithmetic
// left by 63 (off scale)
// 8000 0001 -> 0000 0000
R7 = 0;
ASTAT = R7;
R0.L = 1;
R0.H = 0;
R3.L = 63;
R3.H = 0;
R6 = ASHIFT R0 BY R3.L;
DBGA ( R6.L , 0x0000 );
DBGA ( R6.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 = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
// arithmetic
// left by 255 looks like -1 (mask 7 bits)
// 8000 0001 -> 0000 0000
R7 = 0;
ASTAT = R7;
R0.L = 0x0100;
R0.H = 0;
R3.L = 255;
R3.H = 0;
R6 = ASHIFT R0 BY R3.L;
DBGA ( R6.L , 0x0080 );
DBGA ( R6.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 = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
// arithmetic
// left by 1
// 8000 0001 -> 0000 0002
R0.L = 0x0001;
R0.H = 0x8000;
R3.L = 1;
R3.H = 0;
R6 = ASHIFT R0 BY R3.L;
DBGA ( R6.L , 0x0002 );
DBGA ( R6.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 = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
// arithmetic
// right by 1
// 8000 0001 -> 0000 0002
R0.L = 0x0001;
R0.H = 0x8000;
R3.L = -1;
R3.H = 0;
R6 = ASHIFT R0 BY R3.L;
DBGA ( R6.L , 0x0000 );
DBGA ( R6.H , 0xc000 );
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 );
// arithmetic
// right by -31
// 8000 0001 -> ffff ffff
R0.L = 0x0001;
R0.H = 0x8000;
R3.L = -31;
R3.H = 0;
R6 = ASHIFT R0 BY R3.L;
DBGA ( R6.L , 0xffff );
DBGA ( R6.H , 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 );
// logic
// left by largest positive magnitude of 31 (0x1f)
// 8000 0001 -> 8000 0000
R0.L = 0x0001;
R0.H = 0x8000;
R3.L = 31;
R3.H = 0;
R6 = ASHIFT R0 BY R3.L;
DBGA ( R6.L , 0x0000 );
DBGA ( R6.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 = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
// logic
// left by 1
// 8000 0001 -> 0000 0002
R0.L = 0x0001;
R0.H = 0x8000;
R3.L = 1;
R3.H = 0;
R6 = LSHIFT R0 BY R3.L;
DBGA ( R6.L , 0x0002 );
DBGA ( R6.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 = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
// logic
// right by 1
// 8000 0001 -> 4000 0000
R0.L = 0x0001;
R0.H = 0x8000;
R3.L = -1;
R3.H = 0;
R6 = LSHIFT R0 BY R3.L;
DBGA ( R6.L , 0x0000 );
DBGA ( R6.H , 0x4000 );
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 );
// logic
// right by largest negative magnitude of -31
// 8000 0001 -> 0000 0001
R0.L = 0x0001;
R0.H = 0x8000;
R3.L = -31;
R3.H = 0;
R6 = LSHIFT R0 BY R3.L;
DBGA ( R6.L , 0x0001 );
DBGA ( R6.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 = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
// logic
// right by -32
// 8000 0001 -> 0000 0001
R0.L = 0x0001;
R0.H = 0x8000;
R3.L = -32;
R3.H = 0;
R6 = LSHIFT R0 BY R3.L;
DBGA ( R6.L , 0x0000 );
DBGA ( R6.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 = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
// logic
// by +40
// 8000 0001 -> 0000 0001
R0.L = 0x0001;
R0.H = 0x8000;
R3.L = 40;
R3.H = 0;
R6 = LSHIFT R0 BY R3.L;
DBGA ( R6.L , 0x0080 );
DBGA ( R6.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 = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
// rot
// left by 1
// 8000 0001 -> 0000 0002 cc=1
R7 = 0;
CC = R7;
R6 = ROT R0 BY 1;
DBGA ( R6.L , 0x0002 );
DBGA ( R6.H , 0x0000 );
R7 = CC; DBGA ( R7.L , 0x0001 );
// rot
// right by -1
// 8000 0001 -> 4000 0000 cc=1
R7 = 0;
CC = R7;
R6 = ROT R0 BY -1;
DBGA ( R6.L , 0x0000 );
DBGA ( R6.H , 0x4000 );
R7 = CC; DBGA ( R7.L , 0x0001 );
// rot
// right by largest positive magnitude of 31
// 8000 0001 -> a000 0000 cc=0
R7 = 0;
CC = R7;
R6 = ROT R0 BY 31;
DBGA ( R6.L , 0x0000 );
DBGA ( R6.H , 0xa000 );
R7 = CC; DBGA ( R7.L , 0x0000 );
// rot
// right by largest positive magnitude of 31 with cc=1
// 8000 0001 cc=1 -> a000 0000 cc=0
R7 = 1;
CC = R7;
R6 = ROT R0 BY 31;
DBGA ( R6.L , 0x0000 );
DBGA ( R6.H , 0xe000 );
R7 = CC; DBGA ( R7.L , 0x0000 );
// rot
// right by largest negative magnitude of -31
// 8000 0001 -> 0000 0005 cc=0
R7 = 0;
CC = R7;
R6 = ROT R0 BY -31;
DBGA ( R6.L , 0x0005 );
DBGA ( R6.H , 0x0000 );
R7 = CC; DBGA ( R7.L , 0x0000 );
// rot
// right by largest negative magnitude of -31 with cc=1
// 8000 0001 cc=1 -> 0000 0007 cc=0
R7 = 1;
CC = R7;
R6 = ROT R0 BY -31;
DBGA ( R6.L , 0x0007 );
DBGA ( R6.H , 0x0000 );
R7 = CC; DBGA ( R7.L , 0x0000 );
// rot
// left by 7
// 8000 0001 cc=1 -> 0000 00e0 cc=0
R7 = 1;
CC = R7;
R6 = ROT R0 BY 7;
DBGA ( R6.L , 0x00e0 );
DBGA ( R6.H , 0x0000 );
R7 = CC; DBGA ( R7.L , 0x0000 );
// rot by zero
// 8000 0001 -> 8000 000
R7 = 1;
CC = R7;
R6 = ROT R0 BY 0;
DBGA ( R6.L , 0x0001 );
DBGA ( R6.H , 0x8000 );
R7 = CC; DBGA ( R7.L , 0x0001 );
// 0 by 1
R7 = 0;
R0 = 0;
ASTAT = R7;
R6 = R0 << 1;
DBGA ( R6.L , 0x0000 );
DBGA ( R6.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 = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
pass
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