target/i386: Use MO_128 for 16 byte atomics

Reviewed-by: Philippe Mathieu-Daudé <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>

Author: rth7680

target/i386/tcg/mem_helper.c

@@ -136,7 +136,7 @@ void helper_cmpxchg16b(CPUX86State *env, target_ulong a0)
         Int128 newv = int128_make128(env->regs[R_EBX], env->regs[R_ECX]);
 
         int mem_idx = cpu_mmu_index(env, false);
-        MemOpIdx oi = make_memop_idx(MO_TEQ | MO_ALIGN_16, mem_idx);
+        MemOpIdx oi = make_memop_idx(MO_TE | MO_128 | MO_ALIGN, mem_idx);
         Int128 oldv = cpu_atomic_cmpxchgo_le_mmu(env, a0, cmpv, newv, oi, ra);
 
         if (int128_eq(oldv, cmpv)) {