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Add diagnostic for bad opcode masks. 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2882 c046a42c-6fe2-441c-8c8c-71466251a162
master
pbrook 2007-05-28 01:46:43 +00:00
parent dd4131b394
commit 5fc4adf6ce
1 changed files with 5 additions and 1 deletions
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6
target-m68k/translate.c
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@ -2440,8 +2440,12 @@ register_opcode (disas_proc proc, uint16_t opcode, uint16_t mask)
int to;
/* Sanity check. All set bits must be included in the mask. */
if (opcode & ~mask)
if (opcode & ~mask) {
fprintf(stderr,
"qemu internal error: bogus opcode definition %04x/%04x\n",
opcode, mask);
abort();
}
/* This could probably be cleverer. For now just optimize the case where
the top bits are known. */
/* Find the first zero bit in the mask. */