| // Test r4 = ROT (r2 by r3); |
| # mach: bfin |
| |
| .include "testutils.inc" |
| start |
| |
| |
| R0.L = 0x0001; |
| R0.H = 0x8000; |
| |
| // rot |
| // left by 1 |
| // 8000 0001 -> 0000 0002 cc=1 |
| R7 = 0; |
| CC = R7; |
| R1 = 1; |
| R6 = ROT R0 BY R1.L; |
| 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; |
| R1.L = 0xffff; // check alternate mechanism for immediates |
| R1.H = 0xffff; |
| R6 = ROT R0 BY R1.L; |
| 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; |
| R1 = 31; |
| R6 = ROT R0 BY R1.L; |
| 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; |
| R1 = 31; |
| R6 = ROT R0 BY R1.L; |
| 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; |
| R1 = -31; |
| R6 = ROT R0 BY R1.L; |
| 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; |
| R1 = -31; |
| R6 = ROT R0 BY R1.L; |
| 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; |
| R1 = 7; |
| R6 = ROT R0 BY R1.L; |
| DBGA ( R6.L , 0x00e0 ); |
| DBGA ( R6.H , 0x0000 ); |
| R7 = CC; |
| DBGA ( R7.L , 0x0000 ); |
| |
| // rot by zero |
| // 8000 0001 -> 8000 0000 |
| R7 = 1; |
| CC = R7; |
| R1 = 0; |
| R6 = ROT R0 BY R1.L; |
| DBGA ( R6.L , 0x0001 ); |
| DBGA ( R6.H , 0x8000 ); |
| R7 = CC; |
| DBGA ( R7.L , 0x0001 ); |
| |
| // rot by 0b1100 0001 is the same as by 1 (mask 6 bits) |
| // 8000 0001 -> 0000 0002 cc=1 |
| R7 = 0; |
| CC = R7; |
| R1 = 0xc1 (X); |
| R6 = ROT R0 BY R1.L; |
| DBGA ( R6.L , 0x0002 ); |
| DBGA ( R6.H , 0x0000 ); |
| R7 = CC; |
| DBGA ( R7.L , 0x0001 ); |
| |
| pass |