The CDSG instruction requires a 16-byte alignement, as expressed in
the MO_ALIGN_16 passed to helper_atomic_cmpxchgo_be_mmu. In the non
parallel case, use check_alignment to enforce this.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Message-Id: <
20170604202034.16615-4-aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
} else {
uint64_t oldh, oldl;
+ check_alignment(env, addr, 16, ra);
+
oldh = cpu_ldq_data_ra(env, addr + 0, ra);
oldl = cpu_ldq_data_ra(env, addr + 8, ra);