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841ac2b3bb
The lo,hi order is different from the comments. And in commit
1ec182c33379 ("target/arm: Convert to HAVE_CMPXCHG128"), it changes
the original code logic. So just restore the old code logic before this
commit:
do_paired_cmpxchg64_be():
cmpv = int128_make128(env->exclusive_high, env->exclusive_val);
newv = int128_make128(new_hi, new_lo);
This fixes a bug that would only be visible for big-endian
AArch64 guest code.
Fixes: 1ec182c33379 ("target/arm: Convert to HAVE_CMPXCHG128")
Backports commit abd5abc58c5d4c9bd23427b0998a44eb87ed47a2 from qemu
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