| // 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 |