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After recent changes, mte_checkN does not use ESIZE, and mte_check1 never used TSIZE. We can combine the two into a single field: SIZEM1. Choose to pass size - 1 because size == 0 is never used, our immediate need in mte_probe_int is for the address of the last byte (ptr + size - 1), and since almost all operations are powers of 2, this makes the immediate constant one bit smaller. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20210416183106.1516563-6-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>