target/arm: Do not reject rt == rt2 for strexd
There was too much cut and paste between ldrexd and strexd,
as ldrexd does prohibit two output registers the same.
Fixes: af28822899
Reported-by: Michael Goffioul <michael.goffioul@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20191117090621.32425-2-richard.henderson@linaro.org
Reviewed-by: Robert Foley <robert.foley@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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@ -8934,7 +8934,7 @@ static bool op_strex(DisasContext *s, arg_STREX *a, MemOp mop, bool rel)
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|| (s->thumb && (a->rd == 13 || a->rt == 13))
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|| (mop == MO_64
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&& (a->rt2 == 15
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|| a->rd == a->rt2 || a->rt == a->rt2
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|| a->rd == a->rt2
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|| (s->thumb && a->rt2 == 13)))) {
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unallocated_encoding(s);
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return true;
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