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Fix cmpxchg8b translation (Bernhard Kauer).

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3843 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
balrog 2007-12-24 13:29:55 +00:00
parent 1e080d5dbb
commit 71c3558ed2
1 changed files with 1 additions and 1 deletions
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2
target-i386/translate.c
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@ -3887,7 +3887,7 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start)
case 0x1c7: /* cmpxchg8b */
modrm = ldub_code(s->pc++);
mod = (modrm >> 6) & 3;
if (mod == 3)
if ((mod == 3) || ((modrm & 0x38) != 0x8))
goto illegal_op;
gen_jmp_im(pc_start - s->cs_base);
if (s->cc_op != CC_OP_DYNAMIC)