@@ -1796,7 +1796,7 @@ static void gen_CMPXCHG(DisasContext *s, X86DecodedInsn *decode)
static void gen_CMPXCHG16B(DisasContext *s, X86DecodedInsn *decode)
{
#ifdef TARGET_X86_64
- MemOp mop = MO_TE | MO_128 | MO_ALIGN;
+ MemOp mop = MO_LE | MO_128 | MO_ALIGN;
TCGv_i64 t0, t1;
TCGv_i128 cmp, val;
@@ -1853,10 +1853,10 @@ static void gen_CMPXCHG8B(DisasContext *s, X86DecodedInsn *decode)
/* Only require atomic with LOCK; non-parallel handled in generator. */
if (s->prefix & PREFIX_LOCK) {
- tcg_gen_atomic_cmpxchg_i64(old, s->A0, cmp, val, s->mem_index, MO_TEUQ);
+ tcg_gen_atomic_cmpxchg_i64(old, s->A0, cmp, val, s->mem_index, MO_LEUQ);
} else {
tcg_gen_nonatomic_cmpxchg_i64(old, s->A0, cmp, val,
- s->mem_index, MO_TEUQ);
+ s->mem_index, MO_LEUQ);
}
/* Set tmp0 to match the required value of Z. */