projects / thirdparty / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 1d7b4a70 MF |
1 | // Test r4 = ROT (r2 by r3); |
| 2 | # mach: bfin | |
| 3 | ||
| 4 | .include "testutils.inc" | |
| 5 | start | |
| 6 | ||
| 7 | ||
| 8 | R0.L = 0x0001; | |
| 9 | R0.H = 0x8000; | |
| 10 | ||
| 11 | // rot | |
| 12 | // left by 1 | |
| 13 | // 8000 0001 -> 0000 0002 cc=1 | |
| 14 | R7 = 0; | |
| 15 | CC = R7; | |
| 16 | R1 = 1; | |
| 17 | R6 = ROT R0 BY R1.L; | |
| 18 | DBGA ( R6.L , 0x0002 ); | |
| 19 | DBGA ( R6.H , 0x0000 ); | |
| 20 | R7 = CC; | |
| 21 | DBGA ( R7.L , 0x0001 ); | |
| 22 | ||
| 23 | // rot | |
| 24 | // right by -1 | |
| 25 | // 8000 0001 -> 4000 0000 cc=1 | |
| 26 | R7 = 0; | |
| 27 | CC = R7; | |
| 28 | R1.L = 0xffff; // check alternate mechanism for immediates | |
| 29 | R1.H = 0xffff; | |
| 30 | R6 = ROT R0 BY R1.L; | |
| 31 | DBGA ( R6.L , 0x0000 ); | |
| 32 | DBGA ( R6.H , 0x4000 ); | |
| 33 | R7 = CC; | |
| 34 | DBGA ( R7.L , 0x0001 ); | |
| 35 | ||
| 36 | // rot | |
| 37 | // right by largest positive magnitude of 31 | |
| 38 | // 8000 0001 -> a000 0000 cc=0 | |
| 39 | R7 = 0; | |
| 40 | CC = R7; | |
| 41 | R1 = 31; | |
| 42 | R6 = ROT R0 BY R1.L; | |
| 43 | DBGA ( R6.L , 0x0000 ); | |
| 44 | DBGA ( R6.H , 0xa000 ); | |
| 45 | R7 = CC; | |
| 46 | DBGA ( R7.L , 0x0000 ); | |
| 47 | ||
| 48 | // rot | |
| 49 | // right by largest positive magnitude of 31 with cc=1 | |
| 50 | // 8000 0001 cc=1 -> a000 0000 cc=0 | |
| 51 | R7 = 1; | |
| 52 | CC = R7; | |
| 53 | R1 = 31; | |
| 54 | R6 = ROT R0 BY R1.L; | |
| 55 | DBGA ( R6.L , 0x0000 ); | |
| 56 | DBGA ( R6.H , 0xe000 ); | |
| 57 | R7 = CC; | |
| 58 | DBGA ( R7.L , 0x0000 ); | |
| 59 | ||
| 60 | // rot | |
| 61 | // right by largest negative magnitude of -31 | |
| 62 | // 8000 0001 -> 0000 0005 cc=0 | |
| 63 | R7 = 0; | |
| 64 | CC = R7; | |
| 65 | R1 = -31; | |
| 66 | R6 = ROT R0 BY R1.L; | |
| 67 | DBGA ( R6.L , 0x0005 ); | |
| 68 | DBGA ( R6.H , 0x0000 ); | |
| 69 | R7 = CC; | |
| 70 | DBGA ( R7.L , 0x0000 ); | |
| 71 | ||
| 72 | // rot | |
| 73 | // right by largest negative magnitude of -31 with cc=1 | |
| 74 | // 8000 0001 cc=1 -> 0000 0007 cc=0 | |
| 75 | R7 = 1; | |
| 76 | CC = R7; | |
| 77 | R1 = -31; | |
| 78 | R6 = ROT R0 BY R1.L; | |
| 79 | DBGA ( R6.L , 0x0007 ); | |
| 80 | DBGA ( R6.H , 0x0000 ); | |
| 81 | R7 = CC; | |
| 82 | DBGA ( R7.L , 0x0000 ); | |
| 83 | ||
| 84 | // rot | |
| 85 | // left by 7 | |
| 86 | // 8000 0001 cc=1 -> 0000 00e0 cc=0 | |
| 87 | R7 = 1; | |
| 88 | CC = R7; | |
| 89 | R1 = 7; | |
| 90 | R6 = ROT R0 BY R1.L; | |
| 91 | DBGA ( R6.L , 0x00e0 ); | |
| 92 | DBGA ( R6.H , 0x0000 ); | |
| 93 | R7 = CC; | |
| 94 | DBGA ( R7.L , 0x0000 ); | |
| 95 | ||
| 96 | // rot by zero | |
| 97 | // 8000 0001 -> 8000 0000 | |
| 98 | R7 = 1; | |
| 99 | CC = R7; | |
| 100 | R1 = 0; | |
| 101 | R6 = ROT R0 BY R1.L; | |
| 102 | DBGA ( R6.L , 0x0001 ); | |
| 103 | DBGA ( R6.H , 0x8000 ); | |
| 104 | R7 = CC; | |
| 105 | DBGA ( R7.L , 0x0001 ); | |
| 106 | ||
| 107 | // rot by 0b1100 0001 is the same as by 1 (mask 6 bits) | |
| 108 | // 8000 0001 -> 0000 0002 cc=1 | |
| 109 | R7 = 0; | |
| 110 | CC = R7; | |
| 111 | R1 = 0xc1 (X); | |
| 112 | R6 = ROT R0 BY R1.L; | |
| 113 | DBGA ( R6.L , 0x0002 ); | |
| 114 | DBGA ( R6.H , 0x0000 ); | |
| 115 | R7 = CC; | |
| 116 | DBGA ( R7.L , 0x0001 ); | |
| 117 | ||
| 118 | pass |