projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 1d7b4a70 MF |
1 | /* ALU test program. |
| 2 | * Test instructions | |
| 3 | * (r7,r6) = +/- (r0,r1); | |
| 4 | * (r7,r6) = +/- (r0,r1)s; | |
| 5 | */ | |
| 6 | # mach: bfin | |
| 7 | ||
| 8 | .include "testutils.inc" | |
| 9 | start | |
| 10 | ||
| 11 | ||
| 12 | // test positive overflow | |
| 13 | R0.L = 0xffff; | |
| 14 | R0.H = 0x7fff; | |
| 15 | R1.L = 0x0001; | |
| 16 | R1.H = 0x0000; | |
| 17 | R7 = 0; | |
| 18 | ASTAT = R7; | |
| 19 | R6 = R0 + R1, R7 = R0 - R1 (NS); | |
| 20 | DBGA ( R6.L , 0x0000 ); | |
| 21 | DBGA ( R6.H , 0x8000 ); | |
| 22 | DBGA ( R7.L , 0xfffe ); | |
| 23 | DBGA ( R7.H , 0x7fff ); | |
| 24 | CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 ); | |
| 25 | CC = AN; R7 = CC; DBGA ( R7.L , 0x1 ); | |
| 26 | CC = V; R7 = CC; DBGA ( R7.L , 0x1 ); | |
| 27 | CC = AC0; R7 = CC; DBGA ( R7.L , 0x1 ); | |
| 28 | ||
| 29 | // test positive overflow | |
| 30 | R0.L = 0xffff; | |
| 31 | R0.H = 0x7fff; | |
| 32 | R1.L = 0x0001; | |
| 33 | R1.H = 0x0000; | |
| 34 | R7 = 0; | |
| 35 | ASTAT = R7; | |
| 36 | R7 = R0 + R1, R6 = R0 - R1 (NS); | |
| 37 | DBGA ( R6.L , 0xfffe ); | |
| 38 | DBGA ( R6.H , 0x7fff ); | |
| 39 | DBGA ( R7.L , 0x0000 ); | |
| 40 | DBGA ( R7.H , 0x8000 ); | |
| 41 | CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 ); | |
| 42 | CC = AN; R7 = CC; DBGA ( R7.L , 0x1 ); | |
| 43 | CC = V; R7 = CC; DBGA ( R7.L , 0x1 ); | |
| 44 | CC = AC0; R7 = CC; DBGA ( R7.L , 0x1 ); | |
| 45 | ||
| 46 | // test positive sat | |
| 47 | R0.L = 0xffff; | |
| 48 | R0.H = 0x7fff; | |
| 49 | R1.L = 0x0001; | |
| 50 | R1.H = 0x0000; | |
| 51 | R7 = 0; | |
| 52 | ASTAT = R7; | |
| 53 | R6 = R0 + R1, R7 = R0 - R1 (S); | |
| 54 | DBGA ( R6.L , 0xffff ); | |
| 55 | DBGA ( R6.H , 0x7fff ); | |
| 56 | DBGA ( R7.L , 0xfffe ); | |
| 57 | DBGA ( R7.H , 0x7fff ); | |
| 58 | CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 ); | |
| 59 | CC = AN; R7 = CC; DBGA ( R7.L , 0x0 ); | |
| 60 | CC = V; R7 = CC; DBGA ( R7.L , 0x1 ); | |
| 61 | CC = AC0; R7 = CC; DBGA ( R7.L , 0x1 ); | |
| 62 | ||
| 63 | // test positive sat | |
| 64 | R0.L = 0xffff; | |
| 65 | R0.H = 0x7fff; | |
| 66 | R1.L = 0x0001; | |
| 67 | R1.H = 0x0000; | |
| 68 | R7 = 0; | |
| 69 | ASTAT = R7; | |
| 70 | R7 = R0 + R1, R6 = R0 - R1 (S); | |
| 71 | DBGA ( R6.L , 0xfffe ); | |
| 72 | DBGA ( R6.H , 0x7fff ); | |
| 73 | DBGA ( R7.L , 0xffff ); | |
| 74 | DBGA ( R7.H , 0x7fff ); | |
| 75 | CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 ); | |
| 76 | CC = AN; R7 = CC; DBGA ( R7.L , 0x0 ); | |
| 77 | CC = V; R7 = CC; DBGA ( R7.L , 0x1 ); | |
| 78 | CC = AC0; R7 = CC; DBGA ( R7.L , 0x1 ); | |
| 79 | ||
| 80 | pass |