With FEAT_LSE2, LDP/STP suffices. Without FEAT_LSE2, use LDXP+STXP
16-byte atomicity is required and LDP/STP otherwise.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Adjust the softmmu tlb to use TMP[0-2], not any of the normally available
registers. Since we handle overlap betwen inputs and helper arguments,
we can allow any allocatable reg.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
