diff options
| author | balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-12-24 13:29:55 +0000 |
|---|---|---|
| committer | balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-12-24 13:29:55 +0000 |
| commit | 71c3558ed2d048c27585732fe4fd2aa17566f160 (patch) | |
| tree | dedfc26ff24e3b61dfe871caea8596177b141a5c /target-i386 | |
| parent | 1e080d5dbb8bcd496101c9a31e51d110cb734b83 (diff) | |
Fix cmpxchg8b translation (Bernhard Kauer).
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3843 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-i386')
| -rw-r--r-- | target-i386/translate.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/target-i386/translate.c b/target-i386/translate.c index 579831ef7a..9723e76092 100644 --- a/target-i386/translate.c +++ b/target-i386/translate.c @@ -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) |