Commit 5fc4adf6cedc991c0ee9f16a5d2431bcca07c902
1 parent
dd4131b3
Add diagnostic for bad opcode masks.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2882 c046a42c-6fe2-441c-8c8c-71466251a162
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target-m68k/translate.c
| @@ -2440,8 +2440,12 @@ register_opcode (disas_proc proc, uint16_t opcode, uint16_t mask) | @@ -2440,8 +2440,12 @@ register_opcode (disas_proc proc, uint16_t opcode, uint16_t mask) | ||
| 2440 | int to; | 2440 | int to; |
| 2441 | 2441 | ||
| 2442 | /* Sanity check. All set bits must be included in the mask. */ | 2442 | /* Sanity check. All set bits must be included in the mask. */ |
| 2443 | - if (opcode & ~mask) | 2443 | + if (opcode & ~mask) { |
| 2444 | + fprintf(stderr, | ||
| 2445 | + "qemu internal error: bogus opcode definition %04x/%04x\n", | ||
| 2446 | + opcode, mask); | ||
| 2444 | abort(); | 2447 | abort(); |
| 2448 | + } | ||
| 2445 | /* This could probably be cleverer. For now just optimize the case where | 2449 | /* This could probably be cleverer. For now just optimize the case where |
| 2446 | the top bits are known. */ | 2450 | the top bits are known. */ |
| 2447 | /* Find the first zero bit in the mask. */ | 2451 | /* Find the first zero bit in the mask. */ |