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// Immediate SHIFT test program.
// Test r4 = ASHIFT (r2 by 10);
// Test r4 = LSHIFT (r2 by 10);
// Test r4 = ROT (r2 by 10);
# mach: bfin
.include "testutils.inc"
start
init_r_regs 0;
ASTAT = R0;
// load r0=0x80000001
// load r1=0x00000000
// load r2=0x00000000
// load r3=0x00000000
// load r4=0x00000000
// load r5=0x00000000
loadsym P0, data0;
R0 = [ P0 ++ ];
R1 = [ P0 ++ ];
R2 = [ P0 ++ ];
R3 = [ P0 ++ ];
R4 = [ P0 ++ ];
R5 = [ P0 ++ ];
// arithmetic
// left by largest positive magnitude of 31 (0x1f)
// 8000 0001 -> 8000 0000
R7 = 0;
ASTAT = R7;
R6 = R0 << 31;
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 1
// 8000 0001 -> 0000 0002
R6 = R0 << 1;
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 -> c000 0000
R7 = 0;
ASTAT = R7;
R6 = R0 >>> 1;
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 largest negative magnitude of -31
// 8000 0001 -> ffff ffff
R6 = R0 >>> 31;
DBGA ( R6.L , 0xffff );
DBGA ( R6.H , 0xffff );
// logic
// left by largest positive magnitude of 31 (0x1f)
// 8000 0001 -> 8000 0000
R6 = R0 << 31;
DBGA ( R6.L , 0x0000 );
DBGA ( R6.H , 0x8000 );
// logic
// left by 1
// 8000 0001 -> 0000 0002
R6 = R0 << 1;
DBGA ( R6.L , 0x0002 );
DBGA ( R6.H , 0x0000 );
// logic
// right by 1
// 8000 0001 -> 4000 0000
R6 = R0 >> 1;
DBGA ( R6.L , 0x0000 );
DBGA ( R6.H , 0x4000 );
// logic
// right by largest negative magnitude of -31
// 8000 0001 -> 0000 0001
R6 = R0 >> 31;
DBGA ( R6.L , 0x0001 );
DBGA ( R6.H , 0x0000 );
// 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
.data
data0:
.dw 0x0001
.dw 0x8000
.dd 0x0000
.dd 0x0
.dd 0x0
.dd 0x0
.dd 0x0
.dd 0x0
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